135981160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{485647}}^1$

素因数の和:485665

約数の個数: 32

約数和(自身を含む): 349666560

約数和(自身を除く): 213685400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 485647, 971294, 1942588, 2428235, 3399529, 3885176, 4856470, 6799058, 9712940, 13598116, 16997645, 19425880, 27196232, 33995290, 67990580, 135981160]

約数ペア:

[(1, 135981160), (2, 67990580), (4, 33995290), (5, 27196232), (7, 19425880), (8, 16997645), (10, 13598116), (14, 9712940), (20, 6799058), (28, 4856470), (35, 3885176), (40, 3399529), (56, 2428235), (70, 1942588), (140, 971294), (280, 485647)]