15138040

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1123}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 34192080

約数和(自身を除く): 19054040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1123, 1348, 1685, 2246, 2696, 3370, 4492, 5615, 6740, 8984, 11230, 13480, 22460, 44920, 378451, 756902, 1513804, 1892255, 3027608, 3784510, 7569020, 15138040]

約数ペア:

[(1, 15138040), (2, 7569020), (4, 3784510), (5, 3027608), (8, 1892255), (10, 1513804), (20, 756902), (40, 378451), (337, 44920), (674, 22460), (1123, 13480), (1348, 11230), (1685, 8984), (2246, 6740), (2696, 5615), (3370, 4492)]