1660430990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 3150766080

約数和(自身を除く): 1490335090

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 239, 307, 310, 365, 478, 614, 730, 1195, 1535, 2263, 2390, 3070, 4526, 7409, 9517, 11315, 14818, 17447, 19034, 22411, 22630, 34894, 37045, 44822, 47585, 73373, 74090, 87235, 95170, 112055, 146746, 174470, 224110, 366865, 540857, 694741, 733730, 1081714, 1389482, 2274563, 2704285, 3473705, 4549126, 5356229, 5408570, 6947410, 10712458, 11372815, 22745630, 26781145, 53562290, 166043099, 332086198, 830215495, 1660430990]

約数ペア:

[(1, 1660430990), (2, 830215495), (5, 332086198), (10, 166043099), (31, 53562290), (62, 26781145), (73, 22745630), (146, 11372815), (155, 10712458), (239, 6947410), (307, 5408570), (310, 5356229), (365, 4549126), (478, 3473705), (614, 2704285), (730, 2274563), (1195, 1389482), (1535, 1081714), (2263, 733730), (2390, 694741), (3070, 540857), (4526, 366865), (7409, 224110), (9517, 174470), (11315, 146746), (14818, 112055), (17447, 95170), (19034, 87235), (22411, 74090), (22630, 73373), (34894, 47585), (37045, 44822)]