81820464

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{643}}^1$

素因数の和:906

約数の個数: 80

約数和(自身を含む): 231901824

約数和(自身を除く): 150081360

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 241, 264, 482, 528, 643, 723, 964, 1286, 1446, 1928, 1929, 2572, 2651, 2892, 3856, 3858, 5144, 5302, 5784, 7073, 7716, 7953, 10288, 10604, 11568, 14146, 15432, 15906, 21208, 21219, 28292, 30864, 31812, 42416, 42438, 56584, 63624, 84876, 113168, 127248, 154963, 169752, 309926, 339504, 464889, 619852, 929778, 1239704, 1704593, 1859556, 2479408, 3409186, 3719112, 5113779, 6818372, 7438224, 10227558, 13636744, 20455116, 27273488, 40910232, 81820464]

約数ペア:

[(1, 81820464), (2, 40910232), (3, 27273488), (4, 20455116), (6, 13636744), (8, 10227558), (11, 7438224), (12, 6818372), (16, 5113779), (22, 3719112), (24, 3409186), (33, 2479408), (44, 1859556), (48, 1704593), (66, 1239704), (88, 929778), (132, 619852), (176, 464889), (241, 339504), (264, 309926), (482, 169752), (528, 154963), (643, 127248), (723, 113168), (964, 84876), (1286, 63624), (1446, 56584), (1928, 42438), (1929, 42416), (2572, 31812), (2651, 30864), (2892, 28292), (3856, 21219), (3858, 21208), (5144, 15906), (5302, 15432), (5784, 14146), (7073, 11568), (7716, 10604), (7953, 10288)]