68813680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 173988864

約数和(自身を除く): 105175184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 521, 635, 1016, 1040, 1042, 1270, 1651, 2032, 2084, 2540, 2605, 3302, 4168, 5080, 5210, 6604, 6773, 8255, 8336, 10160, 10420, 13208, 13546, 16510, 20840, 26416, 27092, 33020, 33865, 41680, 54184, 66040, 66167, 67730, 108368, 132080, 132334, 135460, 264668, 270920, 330835, 529336, 541840, 661670, 860171, 1058672, 1323340, 1720342, 2646680, 3440684, 4300855, 5293360, 6881368, 8601710, 13762736, 17203420, 34406840, 68813680]

約数ペア:

[(1, 68813680), (2, 34406840), (4, 17203420), (5, 13762736), (8, 8601710), (10, 6881368), (13, 5293360), (16, 4300855), (20, 3440684), (26, 2646680), (40, 1720342), (52, 1323340), (65, 1058672), (80, 860171), (104, 661670), (127, 541840), (130, 529336), (208, 330835), (254, 270920), (260, 264668), (508, 135460), (520, 132334), (521, 132080), (635, 108368), (1016, 67730), (1040, 66167), (1042, 66040), (1270, 54184), (1651, 41680), (2032, 33865), (2084, 33020), (2540, 27092), (2605, 26416), (3302, 20840), (4168, 16510), (5080, 13546), (5210, 13208), (6604, 10420), (6773, 10160), (8255, 8336)]