256281570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7717}}^1$

素因数の和:7777

約数の個数: 80

約数和(自身を含む): 706011768

約数和(自身を除く): 449730198

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 81, 82, 90, 123, 135, 162, 205, 246, 270, 369, 405, 410, 615, 738, 810, 1107, 1230, 1845, 2214, 3321, 3690, 5535, 6642, 7717, 11070, 15434, 16605, 23151, 33210, 38585, 46302, 69453, 77170, 115755, 138906, 208359, 231510, 316397, 347265, 416718, 625077, 632794, 694530, 949191, 1041795, 1250154, 1581985, 1898382, 2083590, 2847573, 3125385, 3163970, 4745955, 5695146, 6250770, 8542719, 9491910, 14237865, 17085438, 25628157, 28475730, 42713595, 51256314, 85427190, 128140785, 256281570]

約数ペア:

[(1, 256281570), (2, 128140785), (3, 85427190), (5, 51256314), (6, 42713595), (9, 28475730), (10, 25628157), (15, 17085438), (18, 14237865), (27, 9491910), (30, 8542719), (41, 6250770), (45, 5695146), (54, 4745955), (81, 3163970), (82, 3125385), (90, 2847573), (123, 2083590), (135, 1898382), (162, 1581985), (205, 1250154), (246, 1041795), (270, 949191), (369, 694530), (405, 632794), (410, 625077), (615, 416718), (738, 347265), (810, 316397), (1107, 231510), (1230, 208359), (1845, 138906), (2214, 115755), (3321, 77170), (3690, 69453), (5535, 46302), (6642, 38585), (7717, 33210), (11070, 23151), (15434, 16605)]