64926740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 148538880

約数和(自身を除く): 83612140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 239, 289, 340, 470, 478, 578, 799, 940, 956, 1156, 1195, 1445, 1598, 2390, 2890, 3196, 3995, 4063, 4780, 5780, 7990, 8126, 11233, 13583, 15980, 16252, 20315, 22466, 27166, 40630, 44932, 54332, 56165, 67915, 69071, 81260, 112330, 135830, 138142, 190961, 224660, 271660, 276284, 345355, 381922, 690710, 763844, 954805, 1381420, 1909610, 3246337, 3819220, 6492674, 12985348, 16231685, 32463370, 64926740]

約数ペア:

[(1, 64926740), (2, 32463370), (4, 16231685), (5, 12985348), (10, 6492674), (17, 3819220), (20, 3246337), (34, 1909610), (47, 1381420), (68, 954805), (85, 763844), (94, 690710), (170, 381922), (188, 345355), (235, 276284), (239, 271660), (289, 224660), (340, 190961), (470, 138142), (478, 135830), (578, 112330), (799, 81260), (940, 69071), (956, 67915), (1156, 56165), (1195, 54332), (1445, 44932), (1598, 40630), (2390, 27166), (2890, 22466), (3196, 20315), (3995, 16252), (4063, 15980), (4780, 13583), (5780, 11233), (7990, 8126)]