131578440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{156641}}^1$

素因数の和:156662

約数の個数: 64

約数和(自身を含む): 451128960

約数和(自身を除く): 319550520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 156641, 313282, 469923, 626564, 783205, 939846, 1096487, 1253128, 1566410, 1879692, 2192974, 2349615, 3132820, 3289461, 3759384, 4385948, 4699230, 5482435, 6265640, 6578922, 8771896, 9398460, 10964870, 13157844, 16447305, 18796920, 21929740, 26315688, 32894610, 43859480, 65789220, 131578440]

約数ペア:

[(1, 131578440), (2, 65789220), (3, 43859480), (4, 32894610), (5, 26315688), (6, 21929740), (7, 18796920), (8, 16447305), (10, 13157844), (12, 10964870), (14, 9398460), (15, 8771896), (20, 6578922), (21, 6265640), (24, 5482435), (28, 4699230), (30, 4385948), (35, 3759384), (40, 3289461), (42, 3132820), (56, 2349615), (60, 2192974), (70, 1879692), (84, 1566410), (105, 1253128), (120, 1096487), (140, 939846), (168, 783205), (210, 626564), (280, 469923), (420, 313282), (840, 156641)]