71852440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2237}}^1$

素因数の和:2332

約数の個数: 64

約数和(自身を含む): 178860960

約数和(自身を除く): 107008520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 2237, 2920, 3212, 4015, 4474, 6424, 8030, 8948, 11185, 16060, 17896, 22370, 24607, 32120, 44740, 49214, 89480, 98428, 123035, 163301, 196856, 246070, 326602, 492140, 653204, 816505, 984280, 1306408, 1633010, 1796311, 3266020, 3592622, 6532040, 7185244, 8981555, 14370488, 17963110, 35926220, 71852440]

約数ペア:

[(1, 71852440), (2, 35926220), (4, 17963110), (5, 14370488), (8, 8981555), (10, 7185244), (11, 6532040), (20, 3592622), (22, 3266020), (40, 1796311), (44, 1633010), (55, 1306408), (73, 984280), (88, 816505), (110, 653204), (146, 492140), (220, 326602), (292, 246070), (365, 196856), (440, 163301), (584, 123035), (730, 98428), (803, 89480), (1460, 49214), (1606, 44740), (2237, 32120), (2920, 24607), (3212, 22370), (4015, 17896), (4474, 16060), (6424, 11185), (8030, 8948)]