81142464

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 224

約数和(自身を含む): 256032000

約数和(自身を除く): 174889536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 29, 32, 38, 39, 48, 52, 57, 58, 59, 64, 76, 78, 87, 96, 104, 114, 116, 118, 152, 156, 174, 177, 192, 208, 228, 232, 236, 247, 304, 312, 348, 354, 377, 416, 456, 464, 472, 494, 551, 608, 624, 696, 708, 741, 754, 767, 832, 912, 928, 944, 988, 1102, 1121, 1131, 1216, 1248, 1392, 1416, 1482, 1508, 1534, 1653, 1711, 1824, 1856, 1888, 1976, 2204, 2242, 2262, 2301, 2496, 2784, 2832, 2964, 3016, 3068, 3306, 3363, 3422, 3648, 3776, 3952, 4408, 4484, 4524, 4602, 5133, 5568, 5664, 5928, 6032, 6136, 6612, 6726, 6844, 7163, 7904, 8816, 8968, 9048, 9204, 10266, 11328, 11856, 12064, 12272, 13224, 13452, 13688, 14326, 14573, 15808, 17632, 17936, 18096, 18408, 20532, 21489, 22243, 23712, 24128, 24544, 26448, 26904, 27376, 28652, 29146, 32509, 35264, 35872, 36192, 36816, 41064, 42978, 43719, 44486, 47424, 49088, 52896, 53808, 54752, 57304, 58292, 65018, 66729, 71744, 72384, 73632, 82128, 85956, 87438, 88972, 97527, 105792, 107616, 109504, 114608, 116584, 130036, 133458, 147264, 164256, 171912, 174876, 177944, 195054, 215232, 229216, 233168, 260072, 266916, 328512, 343824, 349752, 355888, 390108, 422617, 458432, 466336, 520144, 533832, 687648, 699504, 711776, 780216, 845234, 932672, 1040288, 1067664, 1267851, 1375296, 1399008, 1423552, 1560432, 1690468, 2080576, 2135328, 2535702, 2798016, 3120864, 3380936, 4270656, 5071404, 6241728, 6761872, 10142808, 13523744, 20285616, 27047488, 40571232, 81142464]

約数ペア:

[(1, 81142464), (2, 40571232), (3, 27047488), (4, 20285616), (6, 13523744), (8, 10142808), (12, 6761872), (13, 6241728), (16, 5071404), (19, 4270656), (24, 3380936), (26, 3120864), (29, 2798016), (32, 2535702), (38, 2135328), (39, 2080576), (48, 1690468), (52, 1560432), (57, 1423552), (58, 1399008), (59, 1375296), (64, 1267851), (76, 1067664), (78, 1040288), (87, 932672), (96, 845234), (104, 780216), (114, 711776), (116, 699504), (118, 687648), (152, 533832), (156, 520144), (174, 466336), (177, 458432), (192, 422617), (208, 390108), (228, 355888), (232, 349752), (236, 343824), (247, 328512), (304, 266916), (312, 260072), (348, 233168), (354, 229216), (377, 215232), (416, 195054), (456, 177944), (464, 174876), (472, 171912), (494, 164256), (551, 147264), (608, 133458), (624, 130036), (696, 116584), (708, 114608), (741, 109504), (754, 107616), (767, 105792), (832, 97527), (912, 88972), (928, 87438), (944, 85956), (988, 82128), (1102, 73632), (1121, 72384), (1131, 71744), (1216, 66729), (1248, 65018), (1392, 58292), (1416, 57304), (1482, 54752), (1508, 53808), (1534, 52896), (1653, 49088), (1711, 47424), (1824, 44486), (1856, 43719), (1888, 42978), (1976, 41064), (2204, 36816), (2242, 36192), (2262, 35872), (2301, 35264), (2496, 32509), (2784, 29146), (2832, 28652), (2964, 27376), (3016, 26904), (3068, 26448), (3306, 24544), (3363, 24128), (3422, 23712), (3648, 22243), (3776, 21489), (3952, 20532), (4408, 18408), (4484, 18096), (4524, 17936), (4602, 17632), (5133, 15808), (5568, 14573), (5664, 14326), (5928, 13688), (6032, 13452), (6136, 13224), (6612, 12272), (6726, 12064), (6844, 11856), (7163, 11328), (7904, 10266), (8816, 9204), (8968, 9048)]