64232920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 153216000

約数和(自身を除く): 88983080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 223, 379, 380, 446, 758, 760, 892, 1115, 1516, 1784, 1895, 2230, 3032, 3790, 4237, 4460, 7201, 7580, 8474, 8920, 14402, 15160, 16948, 21185, 28804, 33896, 36005, 42370, 57608, 72010, 84517, 84740, 144020, 169034, 169480, 288040, 338068, 422585, 676136, 845170, 1605823, 1690340, 3211646, 3380680, 6423292, 8029115, 12846584, 16058230, 32116460, 64232920]

約数ペア:

[(1, 64232920), (2, 32116460), (4, 16058230), (5, 12846584), (8, 8029115), (10, 6423292), (19, 3380680), (20, 3211646), (38, 1690340), (40, 1605823), (76, 845170), (95, 676136), (152, 422585), (190, 338068), (223, 288040), (379, 169480), (380, 169034), (446, 144020), (758, 84740), (760, 84517), (892, 72010), (1115, 57608), (1516, 42370), (1784, 36005), (1895, 33896), (2230, 28804), (3032, 21185), (3790, 16948), (4237, 15160), (4460, 14402), (7201, 8920), (7580, 8474)]