66741080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238361}}^1$

素因数の和:238379

約数の個数: 32

約数和(自身を含む): 171620640

約数和(自身を除く): 104879560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238361, 476722, 953444, 1191805, 1668527, 1906888, 2383610, 3337054, 4767220, 6674108, 8342635, 9534440, 13348216, 16685270, 33370540, 66741080]

約数ペア:

[(1, 66741080), (2, 33370540), (4, 16685270), (5, 13348216), (7, 9534440), (8, 8342635), (10, 6674108), (14, 4767220), (20, 3337054), (28, 2383610), (35, 1906888), (40, 1668527), (56, 1191805), (70, 953444), (140, 476722), (280, 238361)]