166866880

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2647}}^1$

素因数の和:2861

約数の個数: 56

約数和(自身を含む): 399519648

約数和(自身を除く): 232652768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1576, 1970, 2647, 3152, 3940, 5294, 6304, 7880, 10588, 12608, 13235, 15760, 21176, 26470, 31520, 42352, 52940, 63040, 84704, 105880, 169408, 211760, 423520, 521459, 847040, 1042918, 2085836, 2607295, 4171672, 5214590, 8343344, 10429180, 16686688, 20858360, 33373376, 41716720, 83433440, 166866880]

約数ペア:

[(1, 166866880), (2, 83433440), (4, 41716720), (5, 33373376), (8, 20858360), (10, 16686688), (16, 10429180), (20, 8343344), (32, 5214590), (40, 4171672), (64, 2607295), (80, 2085836), (160, 1042918), (197, 847040), (320, 521459), (394, 423520), (788, 211760), (985, 169408), (1576, 105880), (1970, 84704), (2647, 63040), (3152, 52940), (3940, 42352), (5294, 31520), (6304, 26470), (7880, 21176), (10588, 15760), (12608, 13235)]