68410020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162881}}^1$

素因数の和:162900

約数の個数: 48

約数和(自身を含む): 218913408

約数和(自身を除く): 150503388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 162881, 325762, 488643, 651524, 814405, 977286, 1140167, 1628810, 1954572, 2280334, 2443215, 3257620, 3420501, 4560668, 4886430, 5700835, 6841002, 9772860, 11401670, 13682004, 17102505, 22803340, 34205010, 68410020]

約数ペア:

[(1, 68410020), (2, 34205010), (3, 22803340), (4, 17102505), (5, 13682004), (6, 11401670), (7, 9772860), (10, 6841002), (12, 5700835), (14, 4886430), (15, 4560668), (20, 3420501), (21, 3257620), (28, 2443215), (30, 2280334), (35, 1954572), (42, 1628810), (60, 1140167), (70, 977286), (84, 814405), (105, 651524), (140, 488643), (210, 325762), (420, 162881)]