1491491680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{22571}}^1$

素因数の和:22652

約数の個数: 96

約数和(自身を含む): 4095463680

約数和(自身を除く): 2603972000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 70, 80, 112, 118, 140, 160, 224, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1120, 1180, 1652, 1888, 2065, 2360, 3304, 4130, 4720, 6608, 8260, 9440, 13216, 16520, 22571, 33040, 45142, 66080, 90284, 112855, 157997, 180568, 225710, 315994, 361136, 451420, 631988, 722272, 789985, 902840, 1263976, 1331689, 1579970, 1805680, 2527952, 2663378, 3159940, 3611360, 5055904, 5326756, 6319880, 6658445, 9321823, 10653512, 12639760, 13316890, 18643646, 21307024, 25279520, 26633780, 37287292, 42614048, 46609115, 53267560, 74574584, 93218230, 106535120, 149149168, 186436460, 213070240, 298298336, 372872920, 745745840, 1491491680]

約数ペア:

[(1, 1491491680), (2, 745745840), (4, 372872920), (5, 298298336), (7, 213070240), (8, 186436460), (10, 149149168), (14, 106535120), (16, 93218230), (20, 74574584), (28, 53267560), (32, 46609115), (35, 42614048), (40, 37287292), (56, 26633780), (59, 25279520), (70, 21307024), (80, 18643646), (112, 13316890), (118, 12639760), (140, 10653512), (160, 9321823), (224, 6658445), (236, 6319880), (280, 5326756), (295, 5055904), (413, 3611360), (472, 3159940), (560, 2663378), (590, 2527952), (826, 1805680), (944, 1579970), (1120, 1331689), (1180, 1263976), (1652, 902840), (1888, 789985), (2065, 722272), (2360, 631988), (3304, 451420), (4130, 361136), (4720, 315994), (6608, 225710), (8260, 180568), (9440, 157997), (13216, 112855), (16520, 90284), (22571, 66080), (33040, 45142)]