81209856

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:131

約数の個数: 240

約数和(自身を含む): 274294944

約数和(自身を除く): 193085088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 64, 78, 83, 84, 91, 96, 98, 104, 112, 128, 147, 156, 166, 168, 182, 192, 196, 208, 224, 249, 256, 273, 294, 312, 332, 336, 364, 384, 392, 416, 448, 498, 512, 546, 581, 588, 624, 637, 664, 672, 728, 768, 784, 832, 896, 996, 1079, 1092, 1162, 1176, 1248, 1274, 1328, 1344, 1456, 1536, 1568, 1664, 1743, 1792, 1911, 1992, 2158, 2184, 2324, 2352, 2496, 2548, 2656, 2688, 2912, 3136, 3237, 3328, 3486, 3584, 3822, 3984, 4067, 4316, 4368, 4648, 4704, 4992, 5096, 5312, 5376, 5824, 6272, 6474, 6656, 6972, 7553, 7644, 7968, 8134, 8632, 8736, 9296, 9408, 9984, 10192, 10624, 10752, 11648, 12201, 12544, 12948, 13944, 15106, 15288, 15936, 16268, 17264, 17472, 18592, 18816, 19968, 20384, 21248, 22659, 23296, 24402, 25088, 25896, 27888, 30212, 30576, 31872, 32536, 34528, 34944, 37184, 37632, 40768, 42496, 45318, 46592, 48804, 51792, 52871, 55776, 60424, 61152, 63744, 65072, 69056, 69888, 74368, 75264, 81536, 90636, 97608, 103584, 105742, 111552, 120848, 122304, 127488, 130144, 138112, 139776, 148736, 158613, 163072, 181272, 195216, 207168, 211484, 223104, 241696, 244608, 260288, 276224, 297472, 317226, 326144, 362544, 390432, 414336, 422968, 446208, 483392, 489216, 520576, 552448, 634452, 725088, 780864, 828672, 845936, 892416, 966784, 978432, 1041152, 1268904, 1450176, 1561728, 1657344, 1691872, 1933568, 2082304, 2537808, 2900352, 3123456, 3383744, 3867136, 5075616, 5800704, 6246912, 6767488, 10151232, 11601408, 13534976, 20302464, 27069952, 40604928, 81209856]

約数ペア:

[(1, 81209856), (2, 40604928), (3, 27069952), (4, 20302464), (6, 13534976), (7, 11601408), (8, 10151232), (12, 6767488), (13, 6246912), (14, 5800704), (16, 5075616), (21, 3867136), (24, 3383744), (26, 3123456), (28, 2900352), (32, 2537808), (39, 2082304), (42, 1933568), (48, 1691872), (49, 1657344), (52, 1561728), (56, 1450176), (64, 1268904), (78, 1041152), (83, 978432), (84, 966784), (91, 892416), (96, 845936), (98, 828672), (104, 780864), (112, 725088), (128, 634452), (147, 552448), (156, 520576), (166, 489216), (168, 483392), (182, 446208), (192, 422968), (196, 414336), (208, 390432), (224, 362544), (249, 326144), (256, 317226), (273, 297472), (294, 276224), (312, 260288), (332, 244608), (336, 241696), (364, 223104), (384, 211484), (392, 207168), (416, 195216), (448, 181272), (498, 163072), (512, 158613), (546, 148736), (581, 139776), (588, 138112), (624, 130144), (637, 127488), (664, 122304), (672, 120848), (728, 111552), (768, 105742), (784, 103584), (832, 97608), (896, 90636), (996, 81536), (1079, 75264), (1092, 74368), (1162, 69888), (1176, 69056), (1248, 65072), (1274, 63744), (1328, 61152), (1344, 60424), (1456, 55776), (1536, 52871), (1568, 51792), (1664, 48804), (1743, 46592), (1792, 45318), (1911, 42496), (1992, 40768), (2158, 37632), (2184, 37184), (2324, 34944), (2352, 34528), (2496, 32536), (2548, 31872), (2656, 30576), (2688, 30212), (2912, 27888), (3136, 25896), (3237, 25088), (3328, 24402), (3486, 23296), (3584, 22659), (3822, 21248), (3984, 20384), (4067, 19968), (4316, 18816), (4368, 18592), (4648, 17472), (4704, 17264), (4992, 16268), (5096, 15936), (5312, 15288), (5376, 15106), (5824, 13944), (6272, 12948), (6474, 12544), (6656, 12201), (6972, 11648), (7553, 10752), (7644, 10624), (7968, 10192), (8134, 9984), (8632, 9408), (8736, 9296)]