15913380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37889}}^1$

素因数の和:37908

約数の個数: 48

約数和(自身を含む): 50924160

約数和(自身を除く): 35010780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 37889, 75778, 113667, 151556, 189445, 227334, 265223, 378890, 454668, 530446, 568335, 757780, 795669, 1060892, 1136670, 1326115, 1591338, 2273340, 2652230, 3182676, 3978345, 5304460, 7956690, 15913380]

約数ペア:

[(1, 15913380), (2, 7956690), (3, 5304460), (4, 3978345), (5, 3182676), (6, 2652230), (7, 2273340), (10, 1591338), (12, 1326115), (14, 1136670), (15, 1060892), (20, 795669), (21, 757780), (28, 568335), (30, 530446), (35, 454668), (42, 378890), (60, 265223), (70, 227334), (84, 189445), (105, 151556), (140, 113667), (210, 75778), (420, 37889)]