163055480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{881}}^1$

素因数の和:1560

約数の個数: 64

約数和(自身を含む): 420396480

約数和(自身を除く): 257341000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 661, 881, 1322, 1762, 2644, 3305, 3524, 4405, 4627, 5288, 6167, 6610, 7048, 8810, 9254, 12334, 13220, 17620, 18508, 23135, 24668, 26440, 30835, 35240, 37016, 46270, 49336, 61670, 92540, 123340, 185080, 246680, 582341, 1164682, 2329364, 2911705, 4076387, 4658728, 5823410, 8152774, 11646820, 16305548, 20381935, 23293640, 32611096, 40763870, 81527740, 163055480]

約数ペア:

[(1, 163055480), (2, 81527740), (4, 40763870), (5, 32611096), (7, 23293640), (8, 20381935), (10, 16305548), (14, 11646820), (20, 8152774), (28, 5823410), (35, 4658728), (40, 4076387), (56, 2911705), (70, 2329364), (140, 1164682), (280, 582341), (661, 246680), (881, 185080), (1322, 123340), (1762, 92540), (2644, 61670), (3305, 49336), (3524, 46270), (4405, 37016), (4627, 35240), (5288, 30835), (6167, 26440), (6610, 24668), (7048, 23135), (8810, 18508), (9254, 17620), (12334, 13220)]