15099020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 32960928

約数和(自身を除く): 17861908

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 181, 194, 215, 362, 388, 430, 485, 724, 860, 905, 970, 1810, 1940, 3620, 4171, 7783, 8342, 15566, 16684, 17557, 20855, 31132, 35114, 38915, 41710, 70228, 77830, 83420, 87785, 155660, 175570, 351140, 754951, 1509902, 3019804, 3774755, 7549510, 15099020]

約数ペア:

[(1, 15099020), (2, 7549510), (4, 3774755), (5, 3019804), (10, 1509902), (20, 754951), (43, 351140), (86, 175570), (97, 155660), (172, 87785), (181, 83420), (194, 77830), (215, 70228), (362, 41710), (388, 38915), (430, 35114), (485, 31132), (724, 20855), (860, 17557), (905, 16684), (970, 15566), (1810, 8342), (1940, 7783), (3620, 4171)]