127671880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2161}}^1$

素因数の和:2390

約数の個数: 64

約数和(自身を含む): 330007680

約数和(自身を除く): 202335800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1477, 1688, 2110, 2161, 2954, 4220, 4322, 5908, 7385, 8440, 8644, 10805, 11816, 14770, 15127, 17288, 21610, 29540, 30254, 43220, 59080, 60508, 75635, 86440, 121016, 151270, 302540, 455971, 605080, 911942, 1823884, 2279855, 3191797, 3647768, 4559710, 6383594, 9119420, 12767188, 15958985, 18238840, 25534376, 31917970, 63835940, 127671880]

約数ペア:

[(1, 127671880), (2, 63835940), (4, 31917970), (5, 25534376), (7, 18238840), (8, 15958985), (10, 12767188), (14, 9119420), (20, 6383594), (28, 4559710), (35, 3647768), (40, 3191797), (56, 2279855), (70, 1823884), (140, 911942), (211, 605080), (280, 455971), (422, 302540), (844, 151270), (1055, 121016), (1477, 86440), (1688, 75635), (2110, 60508), (2161, 59080), (2954, 43220), (4220, 30254), (4322, 29540), (5908, 21610), (7385, 17288), (8440, 15127), (8644, 14770), (10805, 11816)]