68292680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 160671600

約数和(自身を除く): 92378920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 113, 116, 145, 226, 232, 290, 452, 521, 565, 580, 904, 1042, 1130, 1160, 2084, 2260, 2605, 3277, 4168, 4520, 5210, 6554, 10420, 13108, 15109, 16385, 20840, 26216, 30218, 32770, 58873, 60436, 65540, 75545, 117746, 120872, 131080, 151090, 235492, 294365, 302180, 470984, 588730, 604360, 1177460, 1707317, 2354920, 3414634, 6829268, 8536585, 13658536, 17073170, 34146340, 68292680]

約数ペア:

[(1, 68292680), (2, 34146340), (4, 17073170), (5, 13658536), (8, 8536585), (10, 6829268), (20, 3414634), (29, 2354920), (40, 1707317), (58, 1177460), (113, 604360), (116, 588730), (145, 470984), (226, 302180), (232, 294365), (290, 235492), (452, 151090), (521, 131080), (565, 120872), (580, 117746), (904, 75545), (1042, 65540), (1130, 60436), (1160, 58873), (2084, 32770), (2260, 30218), (2605, 26216), (3277, 20840), (4168, 16385), (4520, 15109), (5210, 13108), (6554, 10420)]