68011640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 162756000

約数和(自身を除く): 94744360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 821, 872, 1090, 1642, 2071, 2180, 3284, 4105, 4142, 4360, 6568, 8210, 8284, 10355, 15599, 16420, 16568, 20710, 31198, 32840, 41420, 62396, 77995, 82840, 89489, 124792, 155990, 178978, 311980, 357956, 447445, 623960, 715912, 894890, 1700291, 1789780, 3400582, 3579560, 6801164, 8501455, 13602328, 17002910, 34005820, 68011640]

約数ペア:

[(1, 68011640), (2, 34005820), (4, 17002910), (5, 13602328), (8, 8501455), (10, 6801164), (19, 3579560), (20, 3400582), (38, 1789780), (40, 1700291), (76, 894890), (95, 715912), (109, 623960), (152, 447445), (190, 357956), (218, 311980), (380, 178978), (436, 155990), (545, 124792), (760, 89489), (821, 82840), (872, 77995), (1090, 62396), (1642, 41420), (2071, 32840), (2180, 31198), (3284, 20710), (4105, 16568), (4142, 16420), (4360, 15599), (6568, 10355), (8210, 8284)]