15072520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3457}}^1$

素因数の和:3577

約数の個数: 32

約数和(自身を含む): 34234200

約数和(自身を除く): 19161680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3457, 4360, 6914, 13828, 17285, 27656, 34570, 69140, 138280, 376813, 753626, 1507252, 1884065, 3014504, 3768130, 7536260, 15072520]

約数ペア:

[(1, 15072520), (2, 7536260), (4, 3768130), (5, 3014504), (8, 1884065), (10, 1507252), (20, 753626), (40, 376813), (109, 138280), (218, 69140), (436, 34570), (545, 27656), (872, 17285), (1090, 13828), (2180, 6914), (3457, 4360)]