15412180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 37215360

約数和(自身を除く): 21803180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 389, 566, 778, 1132, 1415, 1556, 1945, 1981, 2723, 2830, 3890, 3962, 5446, 5660, 7780, 7924, 9905, 10892, 13615, 19810, 27230, 39620, 54460, 110087, 220174, 440348, 550435, 770609, 1100870, 1541218, 2201740, 3082436, 3853045, 7706090, 15412180]

約数ペア:

[(1, 15412180), (2, 7706090), (4, 3853045), (5, 3082436), (7, 2201740), (10, 1541218), (14, 1100870), (20, 770609), (28, 550435), (35, 440348), (70, 220174), (140, 110087), (283, 54460), (389, 39620), (566, 27230), (778, 19810), (1132, 13615), (1415, 10892), (1556, 9905), (1945, 7924), (1981, 7780), (2723, 5660), (2830, 5446), (3890, 3962)]