28131540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{468859}}^1$

素因数の和:468871

約数の個数: 24

約数和(自身を含む): 78768480

約数和(自身を除く): 50636940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 468859, 937718, 1406577, 1875436, 2344295, 2813154, 4688590, 5626308, 7032885, 9377180, 14065770, 28131540]

約数ペア:

[(1, 28131540), (2, 14065770), (3, 9377180), (4, 7032885), (5, 5626308), (6, 4688590), (10, 2813154), (12, 2344295), (15, 1875436), (20, 1406577), (30, 937718), (60, 468859)]