31156840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{419}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 83008800

約数和(自身を除く): 51851960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 169, 220, 260, 286, 338, 419, 440, 520, 572, 676, 715, 838, 845, 1144, 1352, 1430, 1676, 1690, 1859, 2095, 2860, 3352, 3380, 3718, 4190, 4609, 5447, 5720, 6760, 7436, 8380, 9218, 9295, 10894, 14872, 16760, 18436, 18590, 21788, 23045, 27235, 36872, 37180, 43576, 46090, 54470, 59917, 70811, 74360, 92180, 108940, 119834, 141622, 184360, 217880, 239668, 283244, 299585, 354055, 479336, 566488, 599170, 708110, 778921, 1198340, 1416220, 1557842, 2396680, 2832440, 3115684, 3894605, 6231368, 7789210, 15578420, 31156840]

約数ペア:

[(1, 31156840), (2, 15578420), (4, 7789210), (5, 6231368), (8, 3894605), (10, 3115684), (11, 2832440), (13, 2396680), (20, 1557842), (22, 1416220), (26, 1198340), (40, 778921), (44, 708110), (52, 599170), (55, 566488), (65, 479336), (88, 354055), (104, 299585), (110, 283244), (130, 239668), (143, 217880), (169, 184360), (220, 141622), (260, 119834), (286, 108940), (338, 92180), (419, 74360), (440, 70811), (520, 59917), (572, 54470), (676, 46090), (715, 43576), (838, 37180), (845, 36872), (1144, 27235), (1352, 23045), (1430, 21788), (1676, 18590), (1690, 18436), (1859, 16760), (2095, 14872), (2860, 10894), (3352, 9295), (3380, 9218), (3718, 8380), (4190, 7436), (4609, 6760), (5447, 5720)]