80173660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1511}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 193052160

約数和(自身を除く): 112878500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 758, 1511, 1516, 1895, 2653, 3022, 3790, 5306, 6044, 7555, 7580, 10577, 10612, 13265, 15110, 21154, 26530, 30220, 42308, 52885, 53060, 105770, 211540, 572669, 1145338, 2290676, 2863345, 4008683, 5726690, 8017366, 11453380, 16034732, 20043415, 40086830, 80173660]

約数ペア:

[(1, 80173660), (2, 40086830), (4, 20043415), (5, 16034732), (7, 11453380), (10, 8017366), (14, 5726690), (20, 4008683), (28, 2863345), (35, 2290676), (70, 1145338), (140, 572669), (379, 211540), (758, 105770), (1511, 53060), (1516, 52885), (1895, 42308), (2653, 30220), (3022, 26530), (3790, 21154), (5306, 15110), (6044, 13265), (7555, 10612), (7580, 10577)]