31461080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112361}}^1$

素因数の和:112379

約数の個数: 32

約数和(自身を含む): 80900640

約数和(自身を除く): 49439560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112361, 224722, 449444, 561805, 786527, 898888, 1123610, 1573054, 2247220, 3146108, 3932635, 4494440, 6292216, 7865270, 15730540, 31461080]

約数ペア:

[(1, 31461080), (2, 15730540), (4, 7865270), (5, 6292216), (7, 4494440), (8, 3932635), (10, 3146108), (14, 2247220), (20, 1573054), (28, 1123610), (35, 898888), (40, 786527), (56, 561805), (70, 449444), (140, 224722), (280, 112361)]