87020360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1861}}^1$

素因数の和:2046

約数の個数: 64

約数和(自身を含む): 225227520

約数和(自身を除く): 138207160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1670, 1861, 2338, 3340, 3722, 4676, 5845, 6680, 7444, 9305, 9352, 11690, 13027, 14888, 18610, 23380, 26054, 37220, 46760, 52108, 65135, 74440, 104216, 130270, 260540, 310787, 521080, 621574, 1243148, 1553935, 2175509, 2486296, 3107870, 4351018, 6215740, 8702036, 10877545, 12431480, 17404072, 21755090, 43510180, 87020360]

約数ペア:

[(1, 87020360), (2, 43510180), (4, 21755090), (5, 17404072), (7, 12431480), (8, 10877545), (10, 8702036), (14, 6215740), (20, 4351018), (28, 3107870), (35, 2486296), (40, 2175509), (56, 1553935), (70, 1243148), (140, 621574), (167, 521080), (280, 310787), (334, 260540), (668, 130270), (835, 104216), (1169, 74440), (1336, 65135), (1670, 52108), (1861, 46760), (2338, 37220), (3340, 26054), (3722, 23380), (4676, 18610), (5845, 14888), (6680, 13027), (7444, 11690), (9305, 9352)]