15288760

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1229}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 34538400

約数和(自身を除く): 19249640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1229, 1244, 1555, 2458, 2488, 3110, 4916, 6145, 6220, 9832, 12290, 12440, 24580, 49160, 382219, 764438, 1528876, 1911095, 3057752, 3822190, 7644380, 15288760]

約数ペア:

[(1, 15288760), (2, 7644380), (4, 3822190), (5, 3057752), (8, 1911095), (10, 1528876), (20, 764438), (40, 382219), (311, 49160), (622, 24580), (1229, 12440), (1244, 12290), (1555, 9832), (2458, 6220), (2488, 6145), (3110, 4916)]