77756680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 183283200

約数和(自身を除く): 105526520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 859, 1240, 1460, 1718, 2263, 2920, 3436, 4295, 4526, 6872, 8590, 9052, 11315, 17180, 18104, 22630, 26629, 34360, 45260, 53258, 62707, 90520, 106516, 125414, 133145, 213032, 250828, 266290, 313535, 501656, 532580, 627070, 1065160, 1254140, 1943917, 2508280, 3887834, 7775668, 9719585, 15551336, 19439170, 38878340, 77756680]

約数ペア:

[(1, 77756680), (2, 38878340), (4, 19439170), (5, 15551336), (8, 9719585), (10, 7775668), (20, 3887834), (31, 2508280), (40, 1943917), (62, 1254140), (73, 1065160), (124, 627070), (146, 532580), (155, 501656), (248, 313535), (292, 266290), (310, 250828), (365, 213032), (584, 133145), (620, 125414), (730, 106516), (859, 90520), (1240, 62707), (1460, 53258), (1718, 45260), (2263, 34360), (2920, 26629), (3436, 22630), (4295, 18104), (4526, 17180), (6872, 11315), (8590, 9052)]