257708080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1499}}^1$

素因数の和:1826

約数の個数: 80

約数和(自身を含む): 687456000

約数和(自身を除く): 429747920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 560, 614, 1228, 1499, 1535, 2149, 2456, 2998, 3070, 4298, 4912, 5996, 6140, 7495, 8596, 10493, 10745, 11992, 12280, 14990, 17192, 20986, 21490, 23984, 24560, 29980, 34384, 41972, 42980, 52465, 59960, 83944, 85960, 104930, 119920, 167888, 171920, 209860, 419720, 460193, 839440, 920386, 1840772, 2300965, 3221351, 3681544, 4601930, 6442702, 7363088, 9203860, 12885404, 16106755, 18407720, 25770808, 32213510, 36815440, 51541616, 64427020, 128854040, 257708080]

約数ペア:

[(1, 257708080), (2, 128854040), (4, 64427020), (5, 51541616), (7, 36815440), (8, 32213510), (10, 25770808), (14, 18407720), (16, 16106755), (20, 12885404), (28, 9203860), (35, 7363088), (40, 6442702), (56, 4601930), (70, 3681544), (80, 3221351), (112, 2300965), (140, 1840772), (280, 920386), (307, 839440), (560, 460193), (614, 419720), (1228, 209860), (1499, 171920), (1535, 167888), (2149, 119920), (2456, 104930), (2998, 85960), (3070, 83944), (4298, 59960), (4912, 52465), (5996, 42980), (6140, 41972), (7495, 34384), (8596, 29980), (10493, 24560), (10745, 23984), (11992, 21490), (12280, 20986), (14990, 17192)]