87798420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487769}}^1$

素因数の和:487784

約数の個数: 36

約数和(自身を含む): 266322420

約数和(自身を除く): 178524000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487769, 975538, 1463307, 1951076, 2438845, 2926614, 4389921, 4877690, 5853228, 7316535, 8779842, 9755380, 14633070, 17559684, 21949605, 29266140, 43899210, 87798420]

約数ペア:

[(1, 87798420), (2, 43899210), (3, 29266140), (4, 21949605), (5, 17559684), (6, 14633070), (9, 9755380), (10, 8779842), (12, 7316535), (15, 5853228), (18, 4877690), (20, 4389921), (30, 2926614), (36, 2438845), (45, 1951076), (60, 1463307), (90, 975538), (180, 487769)]