I divisori di 1981980 sono 216, elencati qui di seguito: 1; 2; 3; 4; 5; 6; 7; 9; 10; 11; 12; 13; 14; 15; 18; 20; 21; 22; 26; 28; 30; 33; 35; 36; 39; 42; 44; 45; 52; 55; 60; 63; 65; 66; 70; 77; 78; 84; 90; 91; 99; 105; 110; 117; 121; 126; 130; 132; 140; 143; 154; 156; 165; 180; 182; 195; 198; 210; 220; 231; 234; 242; 252; 260; 273; 286; 308; 315; 330; 363; 364; 385; 390; 396; 420; 429; 455; 462; 468; 484; 495; 546; 572; 585; 605; 630; 660; 693; 715; 726; 770; 780; 819; 847; 858; 910; 924; 990; 1001; 1089; 1092; 1155; 1170; 1210; 1260; 1287; 1365; 1386; 1430; 1452; 1540; 1573; 1638; 1694; 1716; 1815; 1820; 1980; 2002; 2145; 2178; 2310; 2340; 2420; 2541; 2574; 2730; 2772; 2860; 3003; 3146; 3276; 3388; 3465; 3630; 4004; 4095; 4235; 4290; 4356; 4620; 4719; 5005; 5082; 5148; 5445; 5460; 6006; 6292; 6435; 6930; 7260; 7623; 7865; 8190; 8470; 8580; 9009; 9438; 10010; 10164; 10890; 11011; 12012; 12705; 12870; 13860; 14157; 15015; 15246; 15730; 16380; 16940; 18018; 18876; 20020; 21780; 22022; 23595; 25410; 25740; 28314; 30030; 30492; 31460; 33033; 36036; 38115; 44044; 45045; 47190; 50820; 55055; 56628; 60060; 66066; 70785; 76230; 90090; 94380; 99099; 110110; 132132; 141570; 152460; 165165; 180180; 198198; 220220; 283140; 330330; 396396; 495495; 660660; 990990; 1981980
1981961, 1981962, 1981963, 1981964, 1981965, 1981966, 1981967, 1981968, 1981969, 1981970, 1981971, 1981972, 1981973, 1981974, 1981975, 1981976, 1981977, 1981978, 1981979, 1981981, 1981982, 1981983, 1981984, 1981985, 1981986, 1981987, 1981988, 1981989, 1981990, 1981991, 1981992, 1981993, 1981994, 1981995, 1981996, 1981997, 1981998, 1981999