51705180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{287251}}^1$

素因数の和:287266

約数の個数: 36

約数和(自身を含む): 156839592

約数和(自身を除く): 105134412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 287251, 574502, 861753, 1149004, 1436255, 1723506, 2585259, 2872510, 3447012, 4308765, 5170518, 5745020, 8617530, 10341036, 12926295, 17235060, 25852590, 51705180]

約数ペア:

[(1, 51705180), (2, 25852590), (3, 17235060), (4, 12926295), (5, 10341036), (6, 8617530), (9, 5745020), (10, 5170518), (12, 4308765), (15, 3447012), (18, 2872510), (20, 2585259), (30, 1723506), (36, 1436255), (45, 1149004), (60, 861753), (90, 574502), (180, 287251)]