28204380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156691}}^1$

素因数の和:156706

約数の個数: 36

約数和(自身を含む): 85553832

約数和(自身を除く): 57349452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156691, 313382, 470073, 626764, 783455, 940146, 1410219, 1566910, 1880292, 2350365, 2820438, 3133820, 4700730, 5640876, 7051095, 9401460, 14102190, 28204380]

約数ペア:

[(1, 28204380), (2, 14102190), (3, 9401460), (4, 7051095), (5, 5640876), (6, 4700730), (9, 3133820), (10, 2820438), (12, 2350365), (15, 1880292), (18, 1566910), (20, 1410219), (30, 940146), (36, 783455), (45, 626764), (60, 470073), (90, 313382), (180, 156691)]