30777080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10837}}^1$

素因数の和:10919

約数の個数: 32

約数和(自身を含む): 70230240

約数和(自身を除く): 39453160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 10837, 21674, 43348, 54185, 86696, 108370, 216740, 433480, 769427, 1538854, 3077708, 3847135, 6155416, 7694270, 15388540, 30777080]

約数ペア:

[(1, 30777080), (2, 15388540), (4, 7694270), (5, 6155416), (8, 3847135), (10, 3077708), (20, 1538854), (40, 769427), (71, 433480), (142, 216740), (284, 108370), (355, 86696), (568, 54185), (710, 43348), (1420, 21674), (2840, 10837)]