74586540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{691}}^1$

素因数の和:967

約数の個数: 96

約数和(自身を含む): 239952384

約数和(自身を除く): 165365844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 257, 420, 514, 691, 771, 1028, 1285, 1382, 1542, 1799, 2073, 2570, 2764, 3084, 3455, 3598, 3855, 4146, 4837, 5140, 5397, 6910, 7196, 7710, 8292, 8995, 9674, 10365, 10794, 13820, 14511, 15420, 17990, 19348, 20730, 21588, 24185, 26985, 29022, 35980, 41460, 48370, 53970, 58044, 72555, 96740, 107940, 145110, 177587, 290220, 355174, 532761, 710348, 887935, 1065522, 1243109, 1775870, 2131044, 2486218, 2663805, 3551740, 3729327, 4972436, 5327610, 6215545, 7458654, 10655220, 12431090, 14917308, 18646635, 24862180, 37293270, 74586540]

約数ペア:

[(1, 74586540), (2, 37293270), (3, 24862180), (4, 18646635), (5, 14917308), (6, 12431090), (7, 10655220), (10, 7458654), (12, 6215545), (14, 5327610), (15, 4972436), (20, 3729327), (21, 3551740), (28, 2663805), (30, 2486218), (35, 2131044), (42, 1775870), (60, 1243109), (70, 1065522), (84, 887935), (105, 710348), (140, 532761), (210, 355174), (257, 290220), (420, 177587), (514, 145110), (691, 107940), (771, 96740), (1028, 72555), (1285, 58044), (1382, 53970), (1542, 48370), (1799, 41460), (2073, 35980), (2570, 29022), (2764, 26985), (3084, 24185), (3455, 21588), (3598, 20730), (3855, 19348), (4146, 17990), (4837, 15420), (5140, 14511), (5397, 13820), (6910, 10794), (7196, 10365), (7710, 9674), (8292, 8995)]