156960020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1121143}}^1$

素因数の和:1121159

約数の個数: 24

約数和(自身を含む): 376704384

約数和(自身を除く): 219744364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1121143, 2242286, 4484572, 5605715, 7848001, 11211430, 15696002, 22422860, 31392004, 39240005, 78480010, 156960020]

約数ペア:

[(1, 156960020), (2, 78480010), (4, 39240005), (5, 31392004), (7, 22422860), (10, 15696002), (14, 11211430), (20, 7848001), (28, 5605715), (35, 4484572), (70, 2242286), (140, 1121143)]