257986560

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:81

約数の個数: 416

約数和(自身を含む): 990783360

約数和(自身を除く): 732796800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 19, 20, 24, 26, 30, 32, 34, 38, 39, 40, 48, 51, 52, 57, 60, 64, 65, 68, 76, 78, 80, 85, 95, 96, 102, 104, 114, 120, 128, 130, 136, 152, 156, 160, 170, 190, 192, 195, 204, 208, 221, 228, 240, 247, 255, 256, 260, 272, 285, 304, 312, 320, 323, 340, 380, 384, 390, 408, 416, 442, 456, 480, 494, 510, 512, 520, 544, 570, 608, 624, 640, 646, 663, 680, 741, 760, 768, 780, 816, 832, 884, 912, 960, 969, 988, 1020, 1024, 1040, 1088, 1105, 1140, 1216, 1235, 1248, 1280, 1292, 1326, 1360, 1482, 1520, 1536, 1560, 1615, 1632, 1664, 1768, 1824, 1920, 1938, 1976, 2040, 2048, 2080, 2176, 2210, 2280, 2432, 2470, 2496, 2560, 2584, 2652, 2720, 2964, 3040, 3072, 3120, 3230, 3264, 3315, 3328, 3536, 3648, 3705, 3840, 3876, 3952, 4080, 4096, 4160, 4199, 4352, 4420, 4560, 4845, 4864, 4940, 4992, 5120, 5168, 5304, 5440, 5928, 6080, 6144, 6240, 6460, 6528, 6630, 6656, 7072, 7296, 7410, 7680, 7752, 7904, 8160, 8320, 8398, 8704, 8840, 9120, 9690, 9728, 9880, 9984, 10240, 10336, 10608, 10880, 11856, 12160, 12288, 12480, 12597, 12920, 13056, 13260, 13312, 14144, 14592, 14820, 15360, 15504, 15808, 16320, 16640, 16796, 17408, 17680, 18240, 19380, 19456, 19760, 19968, 20480, 20672, 20995, 21216, 21760, 23712, 24320, 24960, 25194, 25840, 26112, 26520, 26624, 28288, 29184, 29640, 30720, 31008, 31616, 32640, 33280, 33592, 34816, 35360, 36480, 38760, 38912, 39520, 39936, 41344, 41990, 42432, 43520, 47424, 48640, 49920, 50388, 51680, 52224, 53040, 53248, 56576, 58368, 59280, 61440, 62016, 62985, 63232, 65280, 66560, 67184, 69632, 70720, 72960, 77520, 77824, 79040, 79872, 82688, 83980, 84864, 87040, 94848, 97280, 99840, 100776, 103360, 104448, 106080, 113152, 116736, 118560, 124032, 125970, 126464, 130560, 133120, 134368, 141440, 145920, 155040, 158080, 159744, 165376, 167960, 169728, 174080, 189696, 194560, 199680, 201552, 206720, 208896, 212160, 226304, 233472, 237120, 248064, 251940, 252928, 261120, 266240, 268736, 282880, 291840, 310080, 316160, 330752, 335920, 339456, 348160, 379392, 389120, 399360, 403104, 413440, 424320, 452608, 474240, 496128, 503880, 505856, 522240, 537472, 565760, 583680, 620160, 632320, 661504, 671840, 678912, 758784, 798720, 806208, 826880, 848640, 905216, 948480, 992256, 1007760, 1011712, 1044480, 1074944, 1131520, 1167360, 1240320, 1264640, 1323008, 1343680, 1357824, 1517568, 1612416, 1653760, 1697280, 1896960, 1984512, 2015520, 2149888, 2263040, 2480640, 2529280, 2687360, 2715648, 3035136, 3224832, 3307520, 3394560, 3793920, 3969024, 4031040, 4299776, 4526080, 4961280, 5058560, 5374720, 6449664, 6615040, 6789120, 7587840, 8062080, 8599552, 9922560, 10749440, 12899328, 13578240, 15175680, 16124160, 17199104, 19845120, 21498880, 25798656, 32248320, 42997760, 51597312, 64496640, 85995520, 128993280, 257986560]

約数ペア:

[(1, 257986560), (2, 128993280), (3, 85995520), (4, 64496640), (5, 51597312), (6, 42997760), (8, 32248320), (10, 25798656), (12, 21498880), (13, 19845120), (15, 17199104), (16, 16124160), (17, 15175680), (19, 13578240), (20, 12899328), (24, 10749440), (26, 9922560), (30, 8599552), (32, 8062080), (34, 7587840), (38, 6789120), (39, 6615040), (40, 6449664), (48, 5374720), (51, 5058560), (52, 4961280), (57, 4526080), (60, 4299776), (64, 4031040), (65, 3969024), (68, 3793920), (76, 3394560), (78, 3307520), (80, 3224832), (85, 3035136), (95, 2715648), (96, 2687360), (102, 2529280), (104, 2480640), (114, 2263040), (120, 2149888), (128, 2015520), (130, 1984512), (136, 1896960), (152, 1697280), (156, 1653760), (160, 1612416), (170, 1517568), (190, 1357824), (192, 1343680), (195, 1323008), (204, 1264640), (208, 1240320), (221, 1167360), (228, 1131520), (240, 1074944), (247, 1044480), (255, 1011712), (256, 1007760), (260, 992256), (272, 948480), (285, 905216), (304, 848640), (312, 826880), (320, 806208), (323, 798720), (340, 758784), (380, 678912), (384, 671840), (390, 661504), (408, 632320), (416, 620160), (442, 583680), (456, 565760), (480, 537472), (494, 522240), (510, 505856), (512, 503880), (520, 496128), (544, 474240), (570, 452608), (608, 424320), (624, 413440), (640, 403104), (646, 399360), (663, 389120), (680, 379392), (741, 348160), (760, 339456), (768, 335920), (780, 330752), (816, 316160), (832, 310080), (884, 291840), (912, 282880), (960, 268736), (969, 266240), (988, 261120), (1020, 252928), (1024, 251940), (1040, 248064), (1088, 237120), (1105, 233472), (1140, 226304), (1216, 212160), (1235, 208896), (1248, 206720), (1280, 201552), (1292, 199680), (1326, 194560), (1360, 189696), (1482, 174080), (1520, 169728), (1536, 167960), (1560, 165376), (1615, 159744), (1632, 158080), (1664, 155040), (1768, 145920), (1824, 141440), (1920, 134368), (1938, 133120), (1976, 130560), (2040, 126464), (2048, 125970), (2080, 124032), (2176, 118560), (2210, 116736), (2280, 113152), (2432, 106080), (2470, 104448), (2496, 103360), (2560, 100776), (2584, 99840), (2652, 97280), (2720, 94848), (2964, 87040), (3040, 84864), (3072, 83980), (3120, 82688), (3230, 79872), (3264, 79040), (3315, 77824), (3328, 77520), (3536, 72960), (3648, 70720), (3705, 69632), (3840, 67184), (3876, 66560), (3952, 65280), (4080, 63232), (4096, 62985), (4160, 62016), (4199, 61440), (4352, 59280), (4420, 58368), (4560, 56576), (4845, 53248), (4864, 53040), (4940, 52224), (4992, 51680), (5120, 50388), (5168, 49920), (5304, 48640), (5440, 47424), (5928, 43520), (6080, 42432), (6144, 41990), (6240, 41344), (6460, 39936), (6528, 39520), (6630, 38912), (6656, 38760), (7072, 36480), (7296, 35360), (7410, 34816), (7680, 33592), (7752, 33280), (7904, 32640), (8160, 31616), (8320, 31008), (8398, 30720), (8704, 29640), (8840, 29184), (9120, 28288), (9690, 26624), (9728, 26520), (9880, 26112), (9984, 25840), (10240, 25194), (10336, 24960), (10608, 24320), (10880, 23712), (11856, 21760), (12160, 21216), (12288, 20995), (12480, 20672), (12597, 20480), (12920, 19968), (13056, 19760), (13260, 19456), (13312, 19380), (14144, 18240), (14592, 17680), (14820, 17408), (15360, 16796), (15504, 16640), (15808, 16320)]