1328496680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{24841}}^1$

素因数の和:25050

約数の個数: 64

約数和(自身を含む): 3434158080

約数和(自身を除く): 2105661400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 955, 1337, 1528, 1910, 2674, 3820, 5348, 6685, 7640, 10696, 13370, 24841, 26740, 49682, 53480, 99364, 124205, 173887, 198728, 248410, 347774, 496820, 695548, 869435, 993640, 1391096, 1738870, 3477740, 4744631, 6955480, 9489262, 18978524, 23723155, 33212417, 37957048, 47446310, 66424834, 94892620, 132849668, 166062085, 189785240, 265699336, 332124170, 664248340, 1328496680]

約数ペア:

[(1, 1328496680), (2, 664248340), (4, 332124170), (5, 265699336), (7, 189785240), (8, 166062085), (10, 132849668), (14, 94892620), (20, 66424834), (28, 47446310), (35, 37957048), (40, 33212417), (56, 23723155), (70, 18978524), (140, 9489262), (191, 6955480), (280, 4744631), (382, 3477740), (764, 1738870), (955, 1391096), (1337, 993640), (1528, 869435), (1910, 695548), (2674, 496820), (3820, 347774), (5348, 248410), (6685, 198728), (7640, 173887), (10696, 124205), (13370, 99364), (24841, 53480), (26740, 49682)]