87116680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1291}}^1$

素因数の和:1550

約数の個数: 64

約数和(自身を含む): 225118080

約数和(自身を除く): 138001400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 1205, 1291, 1687, 1928, 2410, 2582, 3374, 4820, 5164, 6455, 6748, 8435, 9037, 9640, 10328, 12910, 13496, 16870, 18074, 25820, 33740, 36148, 45185, 51640, 67480, 72296, 90370, 180740, 311131, 361480, 622262, 1244524, 1555655, 2177917, 2489048, 3111310, 4355834, 6222620, 8711668, 10889585, 12445240, 17423336, 21779170, 43558340, 87116680]

約数ペア:

[(1, 87116680), (2, 43558340), (4, 21779170), (5, 17423336), (7, 12445240), (8, 10889585), (10, 8711668), (14, 6222620), (20, 4355834), (28, 3111310), (35, 2489048), (40, 2177917), (56, 1555655), (70, 1244524), (140, 622262), (241, 361480), (280, 311131), (482, 180740), (964, 90370), (1205, 72296), (1291, 67480), (1687, 51640), (1928, 45185), (2410, 36148), (2582, 33740), (3374, 25820), (4820, 18074), (5164, 16870), (6455, 13496), (6748, 12910), (8435, 10328), (9037, 9640)]