128841768

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:700

約数の個数: 144

約数和(自身を含む): 400851360

約数和(自身を除く): 272009592

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 23, 24, 33, 36, 44, 46, 66, 69, 72, 88, 92, 99, 121, 132, 138, 184, 198, 207, 242, 253, 264, 276, 363, 396, 414, 484, 506, 552, 643, 726, 759, 792, 828, 968, 1012, 1089, 1286, 1452, 1518, 1656, 1929, 2024, 2178, 2277, 2572, 2783, 2904, 3036, 3858, 4356, 4554, 5144, 5566, 5787, 6072, 7073, 7716, 8349, 8712, 9108, 11132, 11574, 14146, 14789, 15432, 16698, 18216, 21219, 22264, 23148, 25047, 28292, 29578, 33396, 42438, 44367, 46296, 50094, 56584, 59156, 63657, 66792, 77803, 84876, 88734, 100188, 118312, 127314, 133101, 155606, 162679, 169752, 177468, 200376, 233409, 254628, 266202, 311212, 325358, 354936, 466818, 488037, 509256, 532404, 622424, 650716, 700227, 933636, 976074, 1064808, 1301432, 1400454, 1464111, 1789469, 1867272, 1952148, 2800908, 2928222, 3578938, 3904296, 5368407, 5601816, 5856444, 7157876, 10736814, 11712888, 14315752, 16105221, 21473628, 32210442, 42947256, 64420884, 128841768]

約数ペア:

[(1, 128841768), (2, 64420884), (3, 42947256), (4, 32210442), (6, 21473628), (8, 16105221), (9, 14315752), (11, 11712888), (12, 10736814), (18, 7157876), (22, 5856444), (23, 5601816), (24, 5368407), (33, 3904296), (36, 3578938), (44, 2928222), (46, 2800908), (66, 1952148), (69, 1867272), (72, 1789469), (88, 1464111), (92, 1400454), (99, 1301432), (121, 1064808), (132, 976074), (138, 933636), (184, 700227), (198, 650716), (207, 622424), (242, 532404), (253, 509256), (264, 488037), (276, 466818), (363, 354936), (396, 325358), (414, 311212), (484, 266202), (506, 254628), (552, 233409), (643, 200376), (726, 177468), (759, 169752), (792, 162679), (828, 155606), (968, 133101), (1012, 127314), (1089, 118312), (1286, 100188), (1452, 88734), (1518, 84876), (1656, 77803), (1929, 66792), (2024, 63657), (2178, 59156), (2277, 56584), (2572, 50094), (2783, 46296), (2904, 44367), (3036, 42438), (3858, 33396), (4356, 29578), (4554, 28292), (5144, 25047), (5566, 23148), (5787, 22264), (6072, 21219), (7073, 18216), (7716, 16698), (8349, 15432), (8712, 14789), (9108, 14146), (11132, 11574)]