15221480

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{859}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 34365600

約数和(自身を除く): 19144120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 859, 886, 1718, 1772, 2215, 3436, 3544, 4295, 4430, 6872, 8590, 8860, 17180, 17720, 34360, 380537, 761074, 1522148, 1902685, 3044296, 3805370, 7610740, 15221480]

約数ペア:

[(1, 15221480), (2, 7610740), (4, 3805370), (5, 3044296), (8, 1902685), (10, 1522148), (20, 761074), (40, 380537), (443, 34360), (859, 17720), (886, 17180), (1718, 8860), (1772, 8590), (2215, 6872), (3436, 4430), (3544, 4295)]