156969680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280303}}^1$

素因数の和:280323

約数の個数: 40

約数和(自身を含む): 417092352

約数和(自身を除く): 260122672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280303, 560606, 1121212, 1401515, 1962121, 2242424, 2803030, 3924242, 4484848, 5606060, 7848484, 9810605, 11212120, 15696968, 19621210, 22424240, 31393936, 39242420, 78484840, 156969680]

約数ペア:

[(1, 156969680), (2, 78484840), (4, 39242420), (5, 31393936), (7, 22424240), (8, 19621210), (10, 15696968), (14, 11212120), (16, 9810605), (20, 7848484), (28, 5606060), (35, 4484848), (40, 3924242), (56, 2803030), (70, 2242424), (80, 1962121), (112, 1401515), (140, 1121212), (280, 560606), (560, 280303)]