51233220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{751}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 156024960

約数和(自身を除く): 104791740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 751, 758, 1137, 1502, 1516, 1895, 2253, 2274, 3004, 3411, 3755, 3790, 4506, 4548, 5685, 6759, 6822, 7510, 7580, 9012, 11265, 11370, 13518, 13644, 15020, 17055, 22530, 22740, 27036, 33795, 34110, 45060, 67590, 68220, 135180, 284629, 569258, 853887, 1138516, 1423145, 1707774, 2561661, 2846290, 3415548, 4269435, 5123322, 5692580, 8538870, 10246644, 12808305, 17077740, 25616610, 51233220]

約数ペア:

[(1, 51233220), (2, 25616610), (3, 17077740), (4, 12808305), (5, 10246644), (6, 8538870), (9, 5692580), (10, 5123322), (12, 4269435), (15, 3415548), (18, 2846290), (20, 2561661), (30, 1707774), (36, 1423145), (45, 1138516), (60, 853887), (90, 569258), (180, 284629), (379, 135180), (751, 68220), (758, 67590), (1137, 45060), (1502, 34110), (1516, 33795), (1895, 27036), (2253, 22740), (2274, 22530), (3004, 17055), (3411, 15020), (3755, 13644), (3790, 13518), (4506, 11370), (4548, 11265), (5685, 9012), (6759, 7580), (6822, 7510)]