131728020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2195467}}^1$

素因数の和:2195479

約数の個数: 24

約数和(自身を含む): 368838624

約数和(自身を除く): 237110604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2195467, 4390934, 6586401, 8781868, 10977335, 13172802, 21954670, 26345604, 32932005, 43909340, 65864010, 131728020]

約数ペア:

[(1, 131728020), (2, 65864010), (3, 43909340), (4, 32932005), (5, 26345604), (6, 21954670), (10, 13172802), (12, 10977335), (15, 8781868), (20, 6586401), (30, 4390934), (60, 2195467)]