12560660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1831}}^1$

素因数の和:1861

約数の個数: 48

約数和(自身を含む): 30777600

約数和(自身を除く): 18216940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 1831, 3430, 3662, 6860, 7324, 9155, 12817, 18310, 25634, 36620, 51268, 64085, 89719, 128170, 179438, 256340, 358876, 448595, 628033, 897190, 1256066, 1794380, 2512132, 3140165, 6280330, 12560660]

約数ペア:

[(1, 12560660), (2, 6280330), (4, 3140165), (5, 2512132), (7, 1794380), (10, 1256066), (14, 897190), (20, 628033), (28, 448595), (35, 358876), (49, 256340), (70, 179438), (98, 128170), (140, 89719), (196, 64085), (245, 51268), (343, 36620), (490, 25634), (686, 18310), (980, 12817), (1372, 9155), (1715, 7324), (1831, 6860), (3430, 3662)]