1556060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{643}}^1$

素因数の和:674

約数の個数: 36

約数和(自身を含む): 3597384

約数和(自身を除く): 2041324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 643, 1210, 1286, 2420, 2572, 3215, 6430, 7073, 12860, 14146, 28292, 35365, 70730, 77803, 141460, 155606, 311212, 389015, 778030, 1556060]

約数ペア:

[(1, 1556060), (2, 778030), (4, 389015), (5, 311212), (10, 155606), (11, 141460), (20, 77803), (22, 70730), (44, 35365), (55, 28292), (110, 14146), (121, 12860), (220, 7073), (242, 6430), (484, 3215), (605, 2572), (643, 2420), (1210, 1286)]