678420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3769}}^1$

素因数の和:3784

約数の個数: 36

約数和(自身を含む): 2058420

約数和(自身を除く): 1380000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3769, 7538, 11307, 15076, 18845, 22614, 33921, 37690, 45228, 56535, 67842, 75380, 113070, 135684, 169605, 226140, 339210, 678420]

約数ペア:

[(1, 678420), (2, 339210), (3, 226140), (4, 169605), (5, 135684), (6, 113070), (9, 75380), (10, 67842), (12, 56535), (15, 45228), (18, 37690), (20, 33921), (30, 22614), (36, 18845), (45, 15076), (60, 11307), (90, 7538), (180, 3769)]