247091680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12763}}^1$

素因数の和:12800

約数の個数: 72

約数和(自身を含む): 641697336

約数和(自身を除く): 394605656

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, 3872, 4840, 9680, 12763, 19360, 25526, 51052, 63815, 102104, 127630, 140393, 204208, 255260, 280786, 408416, 510520, 561572, 701965, 1021040, 1123144, 1403930, 1544323, 2042080, 2246288, 2807860, 3088646, 4492576, 5615720, 6177292, 7721615, 11231440, 12354584, 15443230, 22462880, 24709168, 30886460, 49418336, 61772920, 123545840, 247091680]

約数ペア:

[(1, 247091680), (2, 123545840), (4, 61772920), (5, 49418336), (8, 30886460), (10, 24709168), (11, 22462880), (16, 15443230), (20, 12354584), (22, 11231440), (32, 7721615), (40, 6177292), (44, 5615720), (55, 4492576), (80, 3088646), (88, 2807860), (110, 2246288), (121, 2042080), (160, 1544323), (176, 1403930), (220, 1123144), (242, 1021040), (352, 701965), (440, 561572), (484, 510520), (605, 408416), (880, 280786), (968, 255260), (1210, 204208), (1760, 140393), (1936, 127630), (2420, 102104), (3872, 63815), (4840, 51052), (9680, 25526), (12763, 19360)]