15719620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1$

素因数の和:2452

約数の個数: 48

約数和(自身を含む): 38545920

約数和(自身を除く): 22826300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2389, 3290, 4778, 6580, 9556, 11945, 16723, 23890, 33446, 47780, 66892, 83615, 112283, 167230, 224566, 334460, 449132, 561415, 785981, 1122830, 1571962, 2245660, 3143924, 3929905, 7859810, 15719620]

約数ペア:

[(1, 15719620), (2, 7859810), (4, 3929905), (5, 3143924), (7, 2245660), (10, 1571962), (14, 1122830), (20, 785981), (28, 561415), (35, 449132), (47, 334460), (70, 224566), (94, 167230), (140, 112283), (188, 83615), (235, 66892), (329, 47780), (470, 33446), (658, 23890), (940, 16723), (1316, 11945), (1645, 9556), (2389, 6580), (3290, 4778)]