15121360

素因数分解:

$2^4\times 5^1\times {\mathrm{189017}}^1$

素因数の和:189030

約数の個数: 20

約数和(自身を含む): 35157348

約数和(自身を除く): 20035988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 189017, 378034, 756068, 945085, 1512136, 1890170, 3024272, 3780340, 7560680, 15121360]

約数ペア:

[(1, 15121360), (2, 7560680), (4, 3780340), (5, 3024272), (8, 1890170), (10, 1512136), (16, 945085), (20, 756068), (40, 378034), (80, 189017)]