15838760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8081}}^1$

素因数の和:8106

約数の個数: 48

約数和(自身を含む): 41460660

約数和(自身を除く): 25621900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8081, 16162, 32324, 40405, 56567, 64648, 80810, 113134, 161620, 226268, 282835, 323240, 395969, 452536, 565670, 791938, 1131340, 1583876, 1979845, 2262680, 3167752, 3959690, 7919380, 15838760]

約数ペア:

[(1, 15838760), (2, 7919380), (4, 3959690), (5, 3167752), (7, 2262680), (8, 1979845), (10, 1583876), (14, 1131340), (20, 791938), (28, 565670), (35, 452536), (40, 395969), (49, 323240), (56, 282835), (70, 226268), (98, 161620), (140, 113134), (196, 80810), (245, 64648), (280, 56567), (392, 40405), (490, 32324), (980, 16162), (1960, 8081)]