71316280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{523}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 184112640

約数和(自身を除く): 112796360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 487, 523, 974, 1046, 1948, 2092, 2435, 2615, 3409, 3661, 3896, 4184, 4870, 5230, 6818, 7322, 9740, 10460, 13636, 14644, 17045, 18305, 19480, 20920, 27272, 29288, 34090, 36610, 68180, 73220, 136360, 146440, 254701, 509402, 1018804, 1273505, 1782907, 2037608, 2547010, 3565814, 5094020, 7131628, 8914535, 10188040, 14263256, 17829070, 35658140, 71316280]

約数ペア:

[(1, 71316280), (2, 35658140), (4, 17829070), (5, 14263256), (7, 10188040), (8, 8914535), (10, 7131628), (14, 5094020), (20, 3565814), (28, 2547010), (35, 2037608), (40, 1782907), (56, 1273505), (70, 1018804), (140, 509402), (280, 254701), (487, 146440), (523, 136360), (974, 73220), (1046, 68180), (1948, 36610), (2092, 34090), (2435, 29288), (2615, 27272), (3409, 20920), (3661, 19480), (3896, 18305), (4184, 17045), (4870, 14644), (5230, 13636), (6818, 10460), (7322, 9740)]