84722960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21613}}^1$

素因数の和:21640

約数の個数: 60

約数和(自身を含む): 229151628

約数和(自身を除く): 144428668

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21613, 43226, 86452, 108065, 151291, 172904, 216130, 302582, 345808, 432260, 605164, 756455, 864520, 1059037, 1210328, 1512910, 1729040, 2118074, 2420656, 3025820, 4236148, 5295185, 6051640, 8472296, 10590370, 12103280, 16944592, 21180740, 42361480, 84722960]

約数ペア:

[(1, 84722960), (2, 42361480), (4, 21180740), (5, 16944592), (7, 12103280), (8, 10590370), (10, 8472296), (14, 6051640), (16, 5295185), (20, 4236148), (28, 3025820), (35, 2420656), (40, 2118074), (49, 1729040), (56, 1512910), (70, 1210328), (80, 1059037), (98, 864520), (112, 756455), (140, 605164), (196, 432260), (245, 345808), (280, 302582), (392, 216130), (490, 172904), (560, 151291), (784, 108065), (980, 86452), (1960, 43226), (3920, 21613)]