28760580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6947}}^1$

素因数の和:6985

約数の個数: 72

約数和(自身を含む): 91046592

約数和(自身を除く): 62286012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 6947, 13894, 20841, 27788, 34735, 41682, 62523, 69470, 83364, 104205, 125046, 138940, 159781, 208410, 250092, 312615, 319562, 416820, 479343, 625230, 639124, 798905, 958686, 1250460, 1438029, 1597810, 1917372, 2396715, 2876058, 3195620, 4793430, 5752116, 7190145, 9586860, 14380290, 28760580]

約数ペア:

[(1, 28760580), (2, 14380290), (3, 9586860), (4, 7190145), (5, 5752116), (6, 4793430), (9, 3195620), (10, 2876058), (12, 2396715), (15, 1917372), (18, 1597810), (20, 1438029), (23, 1250460), (30, 958686), (36, 798905), (45, 639124), (46, 625230), (60, 479343), (69, 416820), (90, 319562), (92, 312615), (115, 250092), (138, 208410), (180, 159781), (207, 138940), (230, 125046), (276, 104205), (345, 83364), (414, 69470), (460, 62523), (690, 41682), (828, 34735), (1035, 27788), (1380, 20841), (2070, 13894), (4140, 6947)]