15120920

素因数分解:

$2^3\times 5^1\times {\mathrm{378023}}^1$

素因数の和:378034

約数の個数: 16

約数和(自身を含む): 34022160

約数和(自身を除く): 18901240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 378023, 756046, 1512092, 1890115, 3024184, 3780230, 7560460, 15120920]

約数ペア:

[(1, 15120920), (2, 7560460), (4, 3780230), (5, 3024184), (8, 1890115), (10, 1512092), (20, 756046), (40, 378023)]