156911480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1571}}^1$

素因数の和:1820

約数の個数: 64

約数和(自身を含む): 387089280

約数和(自身を除く): 230177800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 908, 1135, 1571, 1816, 2270, 2497, 3142, 4540, 4994, 6284, 7855, 9080, 9988, 12485, 12568, 15710, 17281, 19976, 24970, 31420, 34562, 49940, 62840, 69124, 86405, 99880, 138248, 172810, 345620, 356617, 691240, 713234, 1426468, 1783085, 2852936, 3566170, 3922787, 7132340, 7845574, 14264680, 15691148, 19613935, 31382296, 39227870, 78455740, 156911480]

約数ペア:

[(1, 156911480), (2, 78455740), (4, 39227870), (5, 31382296), (8, 19613935), (10, 15691148), (11, 14264680), (20, 7845574), (22, 7132340), (40, 3922787), (44, 3566170), (55, 2852936), (88, 1783085), (110, 1426468), (220, 713234), (227, 691240), (440, 356617), (454, 345620), (908, 172810), (1135, 138248), (1571, 99880), (1816, 86405), (2270, 69124), (2497, 62840), (3142, 49940), (4540, 34562), (4994, 31420), (6284, 24970), (7855, 19976), (9080, 17281), (9988, 15710), (12485, 12568)]