30686820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{511447}}^1$

素因数の和:511459

約数の個数: 24

約数和(自身を含む): 85923264

約数和(自身を除く): 55236444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 511447, 1022894, 1534341, 2045788, 2557235, 3068682, 5114470, 6137364, 7671705, 10228940, 15343410, 30686820]

約数ペア:

[(1, 30686820), (2, 15343410), (3, 10228940), (4, 7671705), (5, 6137364), (6, 5114470), (10, 3068682), (12, 2557235), (15, 2045788), (20, 1534341), (30, 1022894), (60, 511447)]