64124680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 153906480

約数和(自身を除く): 89781800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 181, 340, 362, 521, 680, 724, 905, 1042, 1448, 1810, 2084, 2605, 3077, 3620, 4168, 5210, 6154, 7240, 8857, 10420, 12308, 15385, 17714, 20840, 24616, 30770, 35428, 44285, 61540, 70856, 88570, 94301, 123080, 177140, 188602, 354280, 377204, 471505, 754408, 943010, 1603117, 1886020, 3206234, 3772040, 6412468, 8015585, 12824936, 16031170, 32062340, 64124680]

約数ペア:

[(1, 64124680), (2, 32062340), (4, 16031170), (5, 12824936), (8, 8015585), (10, 6412468), (17, 3772040), (20, 3206234), (34, 1886020), (40, 1603117), (68, 943010), (85, 754408), (136, 471505), (170, 377204), (181, 354280), (340, 188602), (362, 177140), (521, 123080), (680, 94301), (724, 88570), (905, 70856), (1042, 61540), (1448, 44285), (1810, 35428), (2084, 30770), (2605, 24616), (3077, 20840), (3620, 17714), (4168, 15385), (5210, 12308), (6154, 10420), (7240, 8857)]