56971640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 143640000

約数和(自身を除く): 86668360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 121, 149, 158, 220, 242, 298, 316, 395, 440, 484, 596, 605, 632, 745, 790, 869, 968, 1192, 1210, 1490, 1580, 1639, 1738, 2420, 2980, 3160, 3278, 3476, 4345, 4840, 5960, 6556, 6952, 8195, 8690, 9559, 11771, 13112, 16390, 17380, 18029, 19118, 23542, 32780, 34760, 36058, 38236, 47084, 47795, 58855, 65560, 72116, 76472, 90145, 94168, 95590, 117710, 129481, 144232, 180290, 191180, 235420, 258962, 360580, 382360, 470840, 517924, 647405, 721160, 1035848, 1294810, 1424291, 2589620, 2848582, 5179240, 5697164, 7121455, 11394328, 14242910, 28485820, 56971640]

約数ペア:

[(1, 56971640), (2, 28485820), (4, 14242910), (5, 11394328), (8, 7121455), (10, 5697164), (11, 5179240), (20, 2848582), (22, 2589620), (40, 1424291), (44, 1294810), (55, 1035848), (79, 721160), (88, 647405), (110, 517924), (121, 470840), (149, 382360), (158, 360580), (220, 258962), (242, 235420), (298, 191180), (316, 180290), (395, 144232), (440, 129481), (484, 117710), (596, 95590), (605, 94168), (632, 90145), (745, 76472), (790, 72116), (869, 65560), (968, 58855), (1192, 47795), (1210, 47084), (1490, 38236), (1580, 36058), (1639, 34760), (1738, 32780), (2420, 23542), (2980, 19118), (3160, 18029), (3278, 17380), (3476, 16390), (4345, 13112), (4840, 11771), (5960, 9559), (6556, 8690), (6952, 8195)]