405180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2251}}^1$

素因数の和:2266

約数の個数: 36

約数和(自身を含む): 1229592

約数和(自身を除く): 824412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2251, 4502, 6753, 9004, 11255, 13506, 20259, 22510, 27012, 33765, 40518, 45020, 67530, 81036, 101295, 135060, 202590, 405180]

約数ペア:

[(1, 405180), (2, 202590), (3, 135060), (4, 101295), (5, 81036), (6, 67530), (9, 45020), (10, 40518), (12, 33765), (15, 27012), (18, 22510), (20, 20259), (30, 13506), (36, 11255), (45, 9004), (60, 6753), (90, 4502), (180, 2251)]