90906640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5437}}^1$

素因数の和:5480

約数の個数: 80

約数和(自身を含む): 242752320

約数和(自身を除く): 151845680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 5437, 8360, 10874, 16720, 21748, 27185, 43496, 54370, 59807, 86992, 103303, 108740, 119614, 206606, 217480, 239228, 299035, 413212, 434960, 478456, 516515, 598070, 826424, 956912, 1033030, 1136333, 1196140, 1652848, 2066060, 2272666, 2392280, 4132120, 4545332, 4784560, 5681665, 8264240, 9090664, 11363330, 18181328, 22726660, 45453320, 90906640]

約数ペア:

[(1, 90906640), (2, 45453320), (4, 22726660), (5, 18181328), (8, 11363330), (10, 9090664), (11, 8264240), (16, 5681665), (19, 4784560), (20, 4545332), (22, 4132120), (38, 2392280), (40, 2272666), (44, 2066060), (55, 1652848), (76, 1196140), (80, 1136333), (88, 1033030), (95, 956912), (110, 826424), (152, 598070), (176, 516515), (190, 478456), (209, 434960), (220, 413212), (304, 299035), (380, 239228), (418, 217480), (440, 206606), (760, 119614), (836, 108740), (880, 103303), (1045, 86992), (1520, 59807), (1672, 54370), (2090, 43496), (3344, 27185), (4180, 21748), (5437, 16720), (8360, 10874)]