256718040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{3911}}^1$

素因数の和:4472

約数の個数: 64

約数和(自身を含む): 771759360

約数和(自身を除く): 515041320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 547, 1094, 1641, 2188, 2735, 3282, 3911, 4376, 5470, 6564, 7822, 8205, 10940, 11733, 13128, 15644, 16410, 19555, 21880, 23466, 31288, 32820, 39110, 46932, 58665, 65640, 78220, 93864, 117330, 156440, 234660, 469320, 2139317, 4278634, 6417951, 8557268, 10696585, 12835902, 17114536, 21393170, 25671804, 32089755, 42786340, 51343608, 64179510, 85572680, 128359020, 256718040]

約数ペア:

[(1, 256718040), (2, 128359020), (3, 85572680), (4, 64179510), (5, 51343608), (6, 42786340), (8, 32089755), (10, 25671804), (12, 21393170), (15, 17114536), (20, 12835902), (24, 10696585), (30, 8557268), (40, 6417951), (60, 4278634), (120, 2139317), (547, 469320), (1094, 234660), (1641, 156440), (2188, 117330), (2735, 93864), (3282, 78220), (3911, 65640), (4376, 58665), (5470, 46932), (6564, 39110), (7822, 32820), (8205, 31288), (10940, 23466), (11733, 21880), (13128, 19555), (15644, 16410)]