15397340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1009}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 37329600

約数和(自身を除く): 21932260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1009, 1090, 1526, 2018, 2180, 3052, 3815, 4036, 5045, 7063, 7630, 10090, 14126, 15260, 20180, 28252, 35315, 70630, 109981, 141260, 219962, 439924, 549905, 769867, 1099810, 1539734, 2199620, 3079468, 3849335, 7698670, 15397340]

約数ペア:

[(1, 15397340), (2, 7698670), (4, 3849335), (5, 3079468), (7, 2199620), (10, 1539734), (14, 1099810), (20, 769867), (28, 549905), (35, 439924), (70, 219962), (109, 141260), (140, 109981), (218, 70630), (436, 35315), (545, 28252), (763, 20180), (1009, 15260), (1090, 14126), (1526, 10090), (2018, 7630), (2180, 7063), (3052, 5045), (3815, 4036)]