72761480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165367}}^1$

素因数の和:165389

約数の個数: 32

約数和(自身を含む): 178597440

約数和(自身を除く): 105835960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 165367, 330734, 661468, 826835, 1322936, 1653670, 1819037, 3307340, 3638074, 6614680, 7276148, 9095185, 14552296, 18190370, 36380740, 72761480]

約数ペア:

[(1, 72761480), (2, 36380740), (4, 18190370), (5, 14552296), (8, 9095185), (10, 7276148), (11, 6614680), (20, 3638074), (22, 3307340), (40, 1819037), (44, 1653670), (55, 1322936), (88, 826835), (110, 661468), (220, 330734), (440, 165367)]