66068660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{9631}}^1$

素因数の和:9661

約数の個数: 48

約数和(自身を含む): 161817600

約数和(自身を除く): 95748940

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, 3430, 6860, 9631, 19262, 38524, 48155, 67417, 96310, 134834, 192620, 269668, 337085, 471919, 674170, 943838, 1348340, 1887676, 2359595, 3303433, 4719190, 6606866, 9438380, 13213732, 16517165, 33034330, 66068660]

約数ペア:

[(1, 66068660), (2, 33034330), (4, 16517165), (5, 13213732), (7, 9438380), (10, 6606866), (14, 4719190), (20, 3303433), (28, 2359595), (35, 1887676), (49, 1348340), (70, 943838), (98, 674170), (140, 471919), (196, 337085), (245, 269668), (343, 192620), (490, 134834), (686, 96310), (980, 67417), (1372, 48155), (1715, 38524), (3430, 19262), (6860, 9631)]