91281520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2207}}^1$

素因数の和:2278

約数の個数: 80

約数和(自身を含む): 236556288

約数和(自身を除く): 145274768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1880, 2068, 2207, 2585, 3760, 4136, 4414, 5170, 8272, 8828, 10340, 11035, 17656, 20680, 22070, 24277, 35312, 41360, 44140, 48554, 88280, 97108, 103729, 121385, 176560, 194216, 207458, 242770, 388432, 414916, 485540, 518645, 829832, 971080, 1037290, 1141019, 1659664, 1942160, 2074580, 2282038, 4149160, 4564076, 5705095, 8298320, 9128152, 11410190, 18256304, 22820380, 45640760, 91281520]

約数ペア:

[(1, 91281520), (2, 45640760), (4, 22820380), (5, 18256304), (8, 11410190), (10, 9128152), (11, 8298320), (16, 5705095), (20, 4564076), (22, 4149160), (40, 2282038), (44, 2074580), (47, 1942160), (55, 1659664), (80, 1141019), (88, 1037290), (94, 971080), (110, 829832), (176, 518645), (188, 485540), (220, 414916), (235, 388432), (376, 242770), (440, 207458), (470, 194216), (517, 176560), (752, 121385), (880, 103729), (940, 97108), (1034, 88280), (1880, 48554), (2068, 44140), (2207, 41360), (2585, 35312), (3760, 24277), (4136, 22070), (4414, 20680), (5170, 17656), (8272, 11035), (8828, 10340)]