15858040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1567}}^1$

素因数の和:1612

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 24784520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1567, 2024, 2530, 3134, 5060, 6268, 7835, 10120, 12536, 15670, 17237, 31340, 34474, 36041, 62680, 68948, 72082, 86185, 137896, 144164, 172370, 180205, 288328, 344740, 360410, 396451, 689480, 720820, 792902, 1441640, 1585804, 1982255, 3171608, 3964510, 7929020, 15858040]

約数ペア:

[(1, 15858040), (2, 7929020), (4, 3964510), (5, 3171608), (8, 1982255), (10, 1585804), (11, 1441640), (20, 792902), (22, 720820), (23, 689480), (40, 396451), (44, 360410), (46, 344740), (55, 288328), (88, 180205), (92, 172370), (110, 144164), (115, 137896), (184, 86185), (220, 72082), (230, 68948), (253, 62680), (440, 36041), (460, 34474), (506, 31340), (920, 17237), (1012, 15670), (1265, 12536), (1567, 10120), (2024, 7835), (2530, 6268), (3134, 5060)]