15711620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 18882940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 263, 290, 412, 515, 526, 580, 1030, 1052, 1315, 2060, 2630, 2987, 5260, 5974, 7627, 11948, 14935, 15254, 27089, 29870, 30508, 38135, 54178, 59740, 76270, 108356, 135445, 152540, 270890, 541780, 785581, 1571162, 3142324, 3927905, 7855810, 15711620]

約数ペア:

[(1, 15711620), (2, 7855810), (4, 3927905), (5, 3142324), (10, 1571162), (20, 785581), (29, 541780), (58, 270890), (103, 152540), (116, 135445), (145, 108356), (206, 76270), (263, 59740), (290, 54178), (412, 38135), (515, 30508), (526, 29870), (580, 27089), (1030, 15254), (1052, 14935), (1315, 11948), (2060, 7627), (2630, 5974), (2987, 5260)]