67639968

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^2\times {\mathrm{647}}^1$

素因数の和:688

約数の個数: 144

約数和(自身を含む): 217183680

約数和(自身を除く): 149543712

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 88, 96, 99, 108, 121, 132, 144, 176, 198, 216, 242, 264, 288, 297, 352, 363, 396, 432, 484, 528, 594, 647, 726, 792, 864, 968, 1056, 1089, 1188, 1294, 1452, 1584, 1936, 1941, 2178, 2376, 2588, 2904, 3168, 3267, 3872, 3882, 4356, 4752, 5176, 5808, 5823, 6534, 7117, 7764, 8712, 9504, 10352, 11616, 11646, 13068, 14234, 15528, 17424, 17469, 20704, 21351, 23292, 26136, 28468, 31056, 34848, 34938, 42702, 46584, 52272, 56936, 62112, 64053, 69876, 78287, 85404, 93168, 104544, 113872, 128106, 139752, 156574, 170808, 186336, 192159, 227744, 234861, 256212, 279504, 313148, 341616, 384318, 469722, 512424, 559008, 626296, 683232, 704583, 768636, 939444, 1024848, 1252592, 1409166, 1537272, 1878888, 2049696, 2113749, 2505184, 2818332, 3074544, 3757776, 4227498, 5636664, 6149088, 7515552, 8454996, 11273328, 16909992, 22546656, 33819984, 67639968]

約数ペア:

[(1, 67639968), (2, 33819984), (3, 22546656), (4, 16909992), (6, 11273328), (8, 8454996), (9, 7515552), (11, 6149088), (12, 5636664), (16, 4227498), (18, 3757776), (22, 3074544), (24, 2818332), (27, 2505184), (32, 2113749), (33, 2049696), (36, 1878888), (44, 1537272), (48, 1409166), (54, 1252592), (66, 1024848), (72, 939444), (88, 768636), (96, 704583), (99, 683232), (108, 626296), (121, 559008), (132, 512424), (144, 469722), (176, 384318), (198, 341616), (216, 313148), (242, 279504), (264, 256212), (288, 234861), (297, 227744), (352, 192159), (363, 186336), (396, 170808), (432, 156574), (484, 139752), (528, 128106), (594, 113872), (647, 104544), (726, 93168), (792, 85404), (864, 78287), (968, 69876), (1056, 64053), (1089, 62112), (1188, 56936), (1294, 52272), (1452, 46584), (1584, 42702), (1936, 34938), (1941, 34848), (2178, 31056), (2376, 28468), (2588, 26136), (2904, 23292), (3168, 21351), (3267, 20704), (3872, 17469), (3882, 17424), (4356, 15528), (4752, 14234), (5176, 13068), (5808, 11646), (5823, 11616), (6534, 10352), (7117, 9504), (7764, 8712)]