15686660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{631}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 36312192

約数和(自身を除く): 20625532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 631, 1130, 1243, 1262, 2260, 2486, 2524, 3155, 4972, 6215, 6310, 6941, 12430, 12620, 13882, 24860, 27764, 34705, 69410, 71303, 138820, 142606, 285212, 356515, 713030, 784333, 1426060, 1568666, 3137332, 3921665, 7843330, 15686660]

約数ペア:

[(1, 15686660), (2, 7843330), (4, 3921665), (5, 3137332), (10, 1568666), (11, 1426060), (20, 784333), (22, 713030), (44, 356515), (55, 285212), (110, 142606), (113, 138820), (220, 71303), (226, 69410), (452, 34705), (565, 27764), (631, 24860), (1130, 13882), (1243, 12620), (1262, 12430), (2260, 6941), (2486, 6310), (2524, 6215), (3155, 4972)]