7161880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 18053280

約数和(自身を除く): 10891400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 397, 410, 440, 451, 794, 820, 902, 1588, 1640, 1804, 1985, 2255, 3176, 3608, 3970, 4367, 4510, 7940, 8734, 9020, 15880, 16277, 17468, 18040, 21835, 32554, 34936, 43670, 65108, 81385, 87340, 130216, 162770, 174680, 179047, 325540, 358094, 651080, 716188, 895235, 1432376, 1790470, 3580940, 7161880]

約数ペア:

[(1, 7161880), (2, 3580940), (4, 1790470), (5, 1432376), (8, 895235), (10, 716188), (11, 651080), (20, 358094), (22, 325540), (40, 179047), (41, 174680), (44, 162770), (55, 130216), (82, 87340), (88, 81385), (110, 65108), (164, 43670), (205, 34936), (220, 32554), (328, 21835), (397, 18040), (410, 17468), (440, 16277), (451, 15880), (794, 9020), (820, 8734), (902, 7940), (1588, 4510), (1640, 4367), (1804, 3970), (1985, 3608), (2255, 3176)]