15120760

素因数分解:

$2^3\times 5^1\times {\mathrm{378019}}^1$

素因数の和:378030

約数の個数: 16

約数和(自身を含む): 34021800

約数和(自身を除く): 18901040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 378019, 756038, 1512076, 1890095, 3024152, 3780190, 7560380, 15120760]

約数ペア:

[(1, 15120760), (2, 7560380), (4, 3780190), (5, 3024152), (8, 1890095), (10, 1512076), (20, 756038), (40, 378019)]