15686820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{87149}}^1$

素因数の和:87164

約数の個数: 36

約数和(自身を含む): 47583900

約数和(自身を除く): 31897080

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 87149, 174298, 261447, 348596, 435745, 522894, 784341, 871490, 1045788, 1307235, 1568682, 1742980, 2614470, 3137364, 3921705, 5228940, 7843410, 15686820]

約数ペア:

[(1, 15686820), (2, 7843410), (3, 5228940), (4, 3921705), (5, 3137364), (6, 2614470), (9, 1742980), (10, 1568682), (12, 1307235), (15, 1045788), (18, 871490), (20, 784341), (30, 522894), (36, 435745), (45, 348596), (60, 261447), (90, 174298), (180, 87149)]