80720808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10223}}^1$

素因数の和:10286

約数の個数: 64

約数和(自身を含む): 235560960

約数和(自身を除く): 154840152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 1128, 1316, 1974, 2632, 3948, 7896, 10223, 20446, 30669, 40892, 61338, 71561, 81784, 122676, 143122, 214683, 245352, 286244, 429366, 480481, 572488, 858732, 960962, 1441443, 1717464, 1921924, 2882886, 3363367, 3843848, 5765772, 6726734, 10090101, 11531544, 13453468, 20180202, 26906936, 40360404, 80720808]

約数ペア:

[(1, 80720808), (2, 40360404), (3, 26906936), (4, 20180202), (6, 13453468), (7, 11531544), (8, 10090101), (12, 6726734), (14, 5765772), (21, 3843848), (24, 3363367), (28, 2882886), (42, 1921924), (47, 1717464), (56, 1441443), (84, 960962), (94, 858732), (141, 572488), (168, 480481), (188, 429366), (282, 286244), (329, 245352), (376, 214683), (564, 143122), (658, 122676), (987, 81784), (1128, 71561), (1316, 61338), (1974, 40892), (2632, 30669), (3948, 20446), (7896, 10223)]