90609680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{677}}^1$

素因数の和:936

約数の個数: 80

約数和(自身を含む): 242127360

約数和(自身を除く): 151517680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 560, 677, 956, 1195, 1354, 1673, 1912, 2390, 2708, 3346, 3385, 3824, 4739, 4780, 5416, 6692, 6770, 8365, 9478, 9560, 10832, 13384, 13540, 16730, 18956, 19120, 23695, 26768, 27080, 33460, 37912, 47390, 54160, 66920, 75824, 94780, 133840, 161803, 189560, 323606, 379120, 647212, 809015, 1132621, 1294424, 1618030, 2265242, 2588848, 3236060, 4530484, 5663105, 6472120, 9060968, 11326210, 12944240, 18121936, 22652420, 45304840, 90609680]

約数ペア:

[(1, 90609680), (2, 45304840), (4, 22652420), (5, 18121936), (7, 12944240), (8, 11326210), (10, 9060968), (14, 6472120), (16, 5663105), (20, 4530484), (28, 3236060), (35, 2588848), (40, 2265242), (56, 1618030), (70, 1294424), (80, 1132621), (112, 809015), (140, 647212), (239, 379120), (280, 323606), (478, 189560), (560, 161803), (677, 133840), (956, 94780), (1195, 75824), (1354, 66920), (1673, 54160), (1912, 47390), (2390, 37912), (2708, 33460), (3346, 27080), (3385, 26768), (3824, 23695), (4739, 19120), (4780, 18956), (5416, 16730), (6692, 13540), (6770, 13384), (8365, 10832), (9478, 9560)]