80703560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{288227}}^1$

素因数の和:288245

約数の個数: 32

約数和(自身を含む): 207524160

約数和(自身を除く): 126820600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 288227, 576454, 1152908, 1441135, 2017589, 2305816, 2882270, 4035178, 5764540, 8070356, 10087945, 11529080, 16140712, 20175890, 40351780, 80703560]

約数ペア:

[(1, 80703560), (2, 40351780), (4, 20175890), (5, 16140712), (7, 11529080), (8, 10087945), (10, 8070356), (14, 5764540), (20, 4035178), (28, 2882270), (35, 2305816), (40, 2017589), (56, 1441135), (70, 1152908), (140, 576454), (280, 288227)]