71457760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3691}}^1$

素因数の和:3728

約数の個数: 72

約数和(自身を含む): 185611608

約数和(自身を除く): 114153848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3691, 3872, 4840, 7382, 9680, 14764, 18455, 19360, 29528, 36910, 40601, 59056, 73820, 81202, 118112, 147640, 162404, 203005, 295280, 324808, 406010, 446611, 590560, 649616, 812020, 893222, 1299232, 1624040, 1786444, 2233055, 3248080, 3572888, 4466110, 6496160, 7145776, 8932220, 14291552, 17864440, 35728880, 71457760]

約数ペア:

[(1, 71457760), (2, 35728880), (4, 17864440), (5, 14291552), (8, 8932220), (10, 7145776), (11, 6496160), (16, 4466110), (20, 3572888), (22, 3248080), (32, 2233055), (40, 1786444), (44, 1624040), (55, 1299232), (80, 893222), (88, 812020), (110, 649616), (121, 590560), (160, 446611), (176, 406010), (220, 324808), (242, 295280), (352, 203005), (440, 162404), (484, 147640), (605, 118112), (880, 81202), (968, 73820), (1210, 59056), (1760, 40601), (1936, 36910), (2420, 29528), (3691, 19360), (3872, 18455), (4840, 14764), (7382, 9680)]