15272780

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4219}}^1$

素因数の和:4409

約数の個数: 24

約数和(自身を含む): 32257680

約数和(自身を除く): 16984900

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 4219, 8438, 16876, 21095, 42190, 84380, 763639, 1527278, 3054556, 3818195, 7636390, 15272780]

約数ペア:

[(1, 15272780), (2, 7636390), (4, 3818195), (5, 3054556), (10, 1527278), (20, 763639), (181, 84380), (362, 42190), (724, 21095), (905, 16876), (1810, 8438), (3620, 4219)]