90757480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{659}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 223819200

約数和(自身を除く): 133061720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 313, 440, 626, 659, 1252, 1318, 1565, 2504, 2636, 3130, 3295, 3443, 5272, 6260, 6590, 6886, 7249, 12520, 13180, 13772, 14498, 17215, 26360, 27544, 28996, 34430, 36245, 57992, 68860, 72490, 137720, 144980, 206267, 289960, 412534, 825068, 1031335, 1650136, 2062670, 2268937, 4125340, 4537874, 8250680, 9075748, 11344685, 18151496, 22689370, 45378740, 90757480]

約数ペア:

[(1, 90757480), (2, 45378740), (4, 22689370), (5, 18151496), (8, 11344685), (10, 9075748), (11, 8250680), (20, 4537874), (22, 4125340), (40, 2268937), (44, 2062670), (55, 1650136), (88, 1031335), (110, 825068), (220, 412534), (313, 289960), (440, 206267), (626, 144980), (659, 137720), (1252, 72490), (1318, 68860), (1565, 57992), (2504, 36245), (2636, 34430), (3130, 28996), (3295, 27544), (3443, 26360), (5272, 17215), (6260, 14498), (6590, 13772), (6886, 13180), (7249, 12520)]