161195440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{287849}}^1$

素因数の和:287869

約数の個数: 40

約数和(自身を含む): 428320800

約数和(自身を除く): 267125360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 287849, 575698, 1151396, 1439245, 2014943, 2302792, 2878490, 4029886, 4605584, 5756980, 8059772, 10074715, 11513960, 16119544, 20149430, 23027920, 32239088, 40298860, 80597720, 161195440]

約数ペア:

[(1, 161195440), (2, 80597720), (4, 40298860), (5, 32239088), (7, 23027920), (8, 20149430), (10, 16119544), (14, 11513960), (16, 10074715), (20, 8059772), (28, 5756980), (35, 4605584), (40, 4029886), (56, 2878490), (70, 2302792), (80, 2014943), (112, 1439245), (140, 1151396), (280, 575698), (560, 287849)]