80868420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449269}}^1$

素因数の和:449284

約数の個数: 36

約数和(自身を含む): 245301420

約数和(自身を除く): 164433000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449269, 898538, 1347807, 1797076, 2246345, 2695614, 4043421, 4492690, 5391228, 6739035, 8086842, 8985380, 13478070, 16173684, 20217105, 26956140, 40434210, 80868420]

約数ペア:

[(1, 80868420), (2, 40434210), (3, 26956140), (4, 20217105), (5, 16173684), (6, 13478070), (9, 8985380), (10, 8086842), (12, 6739035), (15, 5391228), (18, 4492690), (20, 4043421), (30, 2695614), (36, 2246345), (45, 1797076), (60, 1347807), (90, 898538), (180, 449269)]