15137720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 37588320

約数和(自身を除く): 22450600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 677, 860, 1118, 1354, 1720, 2236, 2708, 2795, 3385, 4472, 5416, 5590, 6770, 8801, 11180, 13540, 17602, 22360, 27080, 29111, 35204, 44005, 58222, 70408, 88010, 116444, 145555, 176020, 232888, 291110, 352040, 378443, 582220, 756886, 1164440, 1513772, 1892215, 3027544, 3784430, 7568860, 15137720]

約数ペア:

[(1, 15137720), (2, 7568860), (4, 3784430), (5, 3027544), (8, 1892215), (10, 1513772), (13, 1164440), (20, 756886), (26, 582220), (40, 378443), (43, 352040), (52, 291110), (65, 232888), (86, 176020), (104, 145555), (130, 116444), (172, 88010), (215, 70408), (260, 58222), (344, 44005), (430, 35204), (520, 29111), (559, 27080), (677, 22360), (860, 17602), (1118, 13540), (1354, 11180), (1720, 8801), (2236, 6770), (2708, 5590), (2795, 5416), (3385, 4472)]