15558580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 18915020

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 227, 230, 298, 454, 460, 596, 745, 908, 1135, 1490, 2270, 2980, 3427, 4540, 5221, 6854, 10442, 13708, 17135, 20884, 26105, 33823, 34270, 52210, 67646, 68540, 104420, 135292, 169115, 338230, 676460, 777929, 1555858, 3111716, 3889645, 7779290, 15558580]

約数ペア:

[(1, 15558580), (2, 7779290), (4, 3889645), (5, 3111716), (10, 1555858), (20, 777929), (23, 676460), (46, 338230), (92, 169115), (115, 135292), (149, 104420), (227, 68540), (230, 67646), (298, 52210), (454, 34270), (460, 33823), (596, 26105), (745, 20884), (908, 17135), (1135, 13708), (1490, 10442), (2270, 6854), (2980, 5221), (3427, 4540)]