306990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{379}}^1$

素因数の和:398

約数の個数: 40

約数和(自身を含む): 827640

約数和(自身を除く): 520650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 379, 405, 758, 810, 1137, 1895, 2274, 3411, 3790, 5685, 6822, 10233, 11370, 17055, 20466, 30699, 34110, 51165, 61398, 102330, 153495, 306990]

約数ペア:

[(1, 306990), (2, 153495), (3, 102330), (5, 61398), (6, 51165), (9, 34110), (10, 30699), (15, 20466), (18, 17055), (27, 11370), (30, 10233), (45, 6822), (54, 5685), (81, 3790), (90, 3411), (135, 2274), (162, 1895), (270, 1137), (379, 810), (405, 758)]