64571640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{76871}}^1$

素因数の和:76892

約数の個数: 64

約数和(自身を含む): 221391360

約数和(自身を除く): 156819720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 76871, 153742, 230613, 307484, 384355, 461226, 538097, 614968, 768710, 922452, 1076194, 1153065, 1537420, 1614291, 1844904, 2152388, 2306130, 2690485, 3074840, 3228582, 4304776, 4612260, 5380970, 6457164, 8071455, 9224520, 10761940, 12914328, 16142910, 21523880, 32285820, 64571640]

約数ペア:

[(1, 64571640), (2, 32285820), (3, 21523880), (4, 16142910), (5, 12914328), (6, 10761940), (7, 9224520), (8, 8071455), (10, 6457164), (12, 5380970), (14, 4612260), (15, 4304776), (20, 3228582), (21, 3074840), (24, 2690485), (28, 2306130), (30, 2152388), (35, 1844904), (40, 1614291), (42, 1537420), (56, 1153065), (60, 1076194), (70, 922452), (84, 768710), (105, 614968), (120, 538097), (140, 461226), (168, 384355), (210, 307484), (280, 230613), (420, 153742), (840, 76871)]