31328360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 81285120

約数和(自身を除く): 49956760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 881, 889, 1016, 1270, 1762, 1778, 2540, 3524, 3556, 4405, 4445, 5080, 6167, 7048, 7112, 8810, 8890, 12334, 17620, 17780, 24668, 30835, 35240, 35560, 49336, 61670, 111887, 123340, 223774, 246680, 447548, 559435, 783209, 895096, 1118870, 1566418, 2237740, 3132836, 3916045, 4475480, 6265672, 7832090, 15664180, 31328360]

約数ペア:

[(1, 31328360), (2, 15664180), (4, 7832090), (5, 6265672), (7, 4475480), (8, 3916045), (10, 3132836), (14, 2237740), (20, 1566418), (28, 1118870), (35, 895096), (40, 783209), (56, 559435), (70, 447548), (127, 246680), (140, 223774), (254, 123340), (280, 111887), (508, 61670), (635, 49336), (881, 35560), (889, 35240), (1016, 30835), (1270, 24668), (1762, 17780), (1778, 17620), (2540, 12334), (3524, 8890), (3556, 8810), (4405, 7112), (4445, 7048), (5080, 6167)]