87866820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{488149}}^1$

素因数の和:488164

約数の個数: 36

約数和(自身を含む): 266529900

約数和(自身を除く): 178663080

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 488149, 976298, 1464447, 1952596, 2440745, 2928894, 4393341, 4881490, 5857788, 7322235, 8786682, 9762980, 14644470, 17573364, 21966705, 29288940, 43933410, 87866820]

約数ペア:

[(1, 87866820), (2, 43933410), (3, 29288940), (4, 21966705), (5, 17573364), (6, 14644470), (9, 9762980), (10, 8786682), (12, 7322235), (15, 5857788), (18, 4881490), (20, 4393341), (30, 2928894), (36, 2440745), (45, 1952596), (60, 1464447), (90, 976298), (180, 488149)]