208805580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{386677}}^1$

素因数の和:386695

約数の個数: 48

約数和(自身を含む): 649619040

約数和(自身を除く): 440813460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 386677, 773354, 1160031, 1546708, 1933385, 2320062, 3480093, 3866770, 4640124, 5800155, 6960186, 7733540, 10440279, 11600310, 13920372, 17400465, 20880558, 23200620, 34800930, 41761116, 52201395, 69601860, 104402790, 208805580]

約数ペア:

[(1, 208805580), (2, 104402790), (3, 69601860), (4, 52201395), (5, 41761116), (6, 34800930), (9, 23200620), (10, 20880558), (12, 17400465), (15, 13920372), (18, 11600310), (20, 10440279), (27, 7733540), (30, 6960186), (36, 5800155), (45, 4640124), (54, 3866770), (60, 3480093), (90, 2320062), (108, 1933385), (135, 1546708), (180, 1160031), (270, 773354), (540, 386677)]