156979817680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280321103}}^1$

素因数の和:280321123

約数の個数: 40

約数和(自身を含む): 417117802752

約数和(自身を除く): 260137985072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280321103, 560642206, 1121284412, 1401605515, 1962247721, 2242568824, 2803211030, 3924495442, 4485137648, 5606422060, 7848990884, 9811238605, 11212844120, 15697981768, 19622477210, 22425688240, 31395963536, 39244954420, 78489908840, 156979817680]

約数ペア:

[(1, 156979817680), (2, 78489908840), (4, 39244954420), (5, 31395963536), (7, 22425688240), (8, 19622477210), (10, 15697981768), (14, 11212844120), (16, 9811238605), (20, 7848990884), (28, 5606422060), (35, 4485137648), (40, 3924495442), (56, 2803211030), (70, 2242568824), (80, 1962247721), (112, 1401605515), (140, 1121284412), (280, 560642206), (560, 280321103)]