45180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1$

素因数の和:266

約数の個数: 36

約数和(自身を含む): 137592

約数和(自身を除く): 92412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 3012, 3765, 4518, 5020, 7530, 9036, 11295, 15060, 22590, 45180]

約数ペア:

[(1, 45180), (2, 22590), (3, 15060), (4, 11295), (5, 9036), (6, 7530), (9, 5020), (10, 4518), (12, 3765), (15, 3012), (18, 2510), (20, 2259), (30, 1506), (36, 1255), (45, 1004), (60, 753), (90, 502), (180, 251)]