30901160

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2437}}^1$

素因数の和:2765

約数の個数: 32

約数和(自身を含む): 69775560

約数和(自身を除く): 38874400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2437, 2536, 3170, 4874, 6340, 9748, 12185, 12680, 19496, 24370, 48740, 97480, 772529, 1545058, 3090116, 3862645, 6180232, 7725290, 15450580, 30901160]

約数ペア:

[(1, 30901160), (2, 15450580), (4, 7725290), (5, 6180232), (8, 3862645), (10, 3090116), (20, 1545058), (40, 772529), (317, 97480), (634, 48740), (1268, 24370), (1585, 19496), (2437, 12680), (2536, 12185), (3170, 9748), (4874, 6340)]