15859420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1499}}^1$

素因数の和:1554

約数の個数: 36

約数和(自身を含む): 34839000

約数和(自身を除く): 18979580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 1499, 2116, 2645, 2998, 5290, 5996, 7495, 10580, 14990, 29980, 34477, 68954, 137908, 172385, 344770, 689540, 792971, 1585942, 3171884, 3964855, 7929710, 15859420]

約数ペア:

[(1, 15859420), (2, 7929710), (4, 3964855), (5, 3171884), (10, 1585942), (20, 792971), (23, 689540), (46, 344770), (92, 172385), (115, 137908), (230, 68954), (460, 34477), (529, 29980), (1058, 14990), (1499, 10580), (2116, 7495), (2645, 5996), (2998, 5290)]