12758220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{70879}}^1$

素因数の和:70894

約数の個数: 36

約数和(自身を含む): 38700480

約数和(自身を除く): 25942260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 70879, 141758, 212637, 283516, 354395, 425274, 637911, 708790, 850548, 1063185, 1275822, 1417580, 2126370, 2551644, 3189555, 4252740, 6379110, 12758220]

約数ペア:

[(1, 12758220), (2, 6379110), (3, 4252740), (4, 3189555), (5, 2551644), (6, 2126370), (9, 1417580), (10, 1275822), (12, 1063185), (15, 850548), (18, 708790), (20, 637911), (30, 425274), (36, 354395), (45, 283516), (60, 212637), (90, 141758), (180, 70879)]