1268656840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{14489}}^1$

素因数の和:14710

約数の個数: 64

約数和(自身を含む): 3129840000

約数和(自身を除く): 1861183160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 796, 995, 1592, 1990, 2189, 3980, 4378, 7960, 8756, 10945, 14489, 17512, 21890, 28978, 43780, 57956, 72445, 87560, 115912, 144890, 159379, 289780, 318758, 579560, 637516, 796895, 1275032, 1593790, 2883311, 3187580, 5766622, 6375160, 11533244, 14416555, 23066488, 28833110, 31716421, 57666220, 63432842, 115332440, 126865684, 158582105, 253731368, 317164210, 634328420, 1268656840]

約数ペア:

[(1, 1268656840), (2, 634328420), (4, 317164210), (5, 253731368), (8, 158582105), (10, 126865684), (11, 115332440), (20, 63432842), (22, 57666220), (40, 31716421), (44, 28833110), (55, 23066488), (88, 14416555), (110, 11533244), (199, 6375160), (220, 5766622), (398, 3187580), (440, 2883311), (796, 1593790), (995, 1275032), (1592, 796895), (1990, 637516), (2189, 579560), (3980, 318758), (4378, 289780), (7960, 159379), (8756, 144890), (10945, 115912), (14489, 87560), (17512, 72445), (21890, 57956), (28978, 43780)]