12165560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 30602880

約数和(自身を除く): 18437320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 643, 860, 946, 1286, 1720, 1892, 2365, 2572, 3215, 3784, 4730, 5144, 6430, 7073, 9460, 12860, 14146, 18920, 25720, 27649, 28292, 35365, 55298, 56584, 70730, 110596, 138245, 141460, 221192, 276490, 282920, 304139, 552980, 608278, 1105960, 1216556, 1520695, 2433112, 3041390, 6082780, 12165560]

約数ペア:

[(1, 12165560), (2, 6082780), (4, 3041390), (5, 2433112), (8, 1520695), (10, 1216556), (11, 1105960), (20, 608278), (22, 552980), (40, 304139), (43, 282920), (44, 276490), (55, 221192), (86, 141460), (88, 138245), (110, 110596), (172, 70730), (215, 56584), (220, 55298), (344, 35365), (430, 28292), (440, 27649), (473, 25720), (643, 18920), (860, 14146), (946, 12860), (1286, 9460), (1720, 7073), (1892, 6430), (2365, 5144), (2572, 4730), (3215, 3784)]