260806840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1637}}^1$

素因数の和:2224

約数の個数: 64

約数和(自身を含む): 672235200

約数和(自身を除く): 411428360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 569, 1138, 1637, 2276, 2845, 3274, 3983, 4552, 5690, 6548, 7966, 8185, 11380, 11459, 13096, 15932, 16370, 19915, 22760, 22918, 31864, 32740, 39830, 45836, 57295, 65480, 79660, 91672, 114590, 159320, 229180, 458360, 931453, 1862906, 3725812, 4657265, 6520171, 7451624, 9314530, 13040342, 18629060, 26080684, 32600855, 37258120, 52161368, 65201710, 130403420, 260806840]

約数ペア:

[(1, 260806840), (2, 130403420), (4, 65201710), (5, 52161368), (7, 37258120), (8, 32600855), (10, 26080684), (14, 18629060), (20, 13040342), (28, 9314530), (35, 7451624), (40, 6520171), (56, 4657265), (70, 3725812), (140, 1862906), (280, 931453), (569, 458360), (1138, 229180), (1637, 159320), (2276, 114590), (2845, 91672), (3274, 79660), (3983, 65480), (4552, 57295), (5690, 45836), (6548, 39830), (7966, 32740), (8185, 31864), (11380, 22918), (11459, 22760), (13096, 19915), (15932, 16370)]