15189560

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{761}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 34290000

約数和(自身を除く): 19100440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 761, 998, 1522, 1996, 2495, 3044, 3805, 3992, 4990, 6088, 7610, 9980, 15220, 19960, 30440, 379739, 759478, 1518956, 1898695, 3037912, 3797390, 7594780, 15189560]

約数ペア:

[(1, 15189560), (2, 7594780), (4, 3797390), (5, 3037912), (8, 1898695), (10, 1518956), (20, 759478), (40, 379739), (499, 30440), (761, 19960), (998, 15220), (1522, 9980), (1996, 7610), (2495, 6088), (3044, 4990), (3805, 3992)]