278620160

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 288

約数和(自身を含む): 863291520

約数和(自身を除く): 584671360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 64, 65, 70, 80, 91, 92, 104, 112, 115, 128, 130, 140, 160, 161, 169, 182, 184, 208, 224, 230, 256, 260, 280, 299, 320, 322, 338, 364, 368, 416, 448, 455, 460, 512, 520, 560, 598, 640, 644, 676, 728, 736, 805, 832, 845, 896, 910, 920, 1024, 1040, 1120, 1183, 1196, 1280, 1288, 1352, 1456, 1472, 1495, 1610, 1664, 1690, 1792, 1820, 1840, 2048, 2080, 2093, 2240, 2366, 2392, 2560, 2576, 2704, 2912, 2944, 2990, 3220, 3328, 3380, 3584, 3640, 3680, 3887, 4160, 4186, 4480, 4732, 4784, 5120, 5152, 5408, 5824, 5888, 5915, 5980, 6440, 6656, 6760, 7168, 7280, 7360, 7774, 8320, 8372, 8960, 9464, 9568, 10240, 10304, 10465, 10816, 11648, 11776, 11830, 11960, 12880, 13312, 13520, 14336, 14560, 14720, 15548, 16640, 16744, 17920, 18928, 19136, 19435, 20608, 20930, 21632, 23296, 23552, 23660, 23920, 25760, 26624, 27040, 27209, 29120, 29440, 31096, 33280, 33488, 35840, 37856, 38272, 38870, 41216, 41860, 43264, 46592, 47104, 47320, 47840, 51520, 54080, 54418, 58240, 58880, 62192, 66560, 66976, 71680, 75712, 76544, 77740, 82432, 83720, 86528, 93184, 94640, 95680, 103040, 108160, 108836, 116480, 117760, 124384, 133120, 133952, 136045, 151424, 153088, 155480, 164864, 167440, 173056, 186368, 189280, 191360, 206080, 216320, 217672, 232960, 235520, 248768, 267904, 272090, 302848, 306176, 310960, 329728, 334880, 346112, 378560, 382720, 412160, 432640, 435344, 465920, 497536, 535808, 544180, 605696, 612352, 621920, 669760, 757120, 765440, 824320, 865280, 870688, 931840, 995072, 1071616, 1088360, 1211392, 1243840, 1339520, 1514240, 1530880, 1648640, 1730560, 1741376, 1990144, 2143232, 2176720, 2422784, 2487680, 2679040, 3028480, 3061760, 3482752, 3980288, 4286464, 4353440, 4975360, 5358080, 6056960, 6965504, 7960576, 8706880, 9950720, 10716160, 12113920, 13931008, 17413760, 19901440, 21432320, 27862016, 34827520, 39802880, 55724032, 69655040, 139310080, 278620160]

約数ペア:

[(1, 278620160), (2, 139310080), (4, 69655040), (5, 55724032), (7, 39802880), (8, 34827520), (10, 27862016), (13, 21432320), (14, 19901440), (16, 17413760), (20, 13931008), (23, 12113920), (26, 10716160), (28, 9950720), (32, 8706880), (35, 7960576), (40, 6965504), (46, 6056960), (52, 5358080), (56, 4975360), (64, 4353440), (65, 4286464), (70, 3980288), (80, 3482752), (91, 3061760), (92, 3028480), (104, 2679040), (112, 2487680), (115, 2422784), (128, 2176720), (130, 2143232), (140, 1990144), (160, 1741376), (161, 1730560), (169, 1648640), (182, 1530880), (184, 1514240), (208, 1339520), (224, 1243840), (230, 1211392), (256, 1088360), (260, 1071616), (280, 995072), (299, 931840), (320, 870688), (322, 865280), (338, 824320), (364, 765440), (368, 757120), (416, 669760), (448, 621920), (455, 612352), (460, 605696), (512, 544180), (520, 535808), (560, 497536), (598, 465920), (640, 435344), (644, 432640), (676, 412160), (728, 382720), (736, 378560), (805, 346112), (832, 334880), (845, 329728), (896, 310960), (910, 306176), (920, 302848), (1024, 272090), (1040, 267904), (1120, 248768), (1183, 235520), (1196, 232960), (1280, 217672), (1288, 216320), (1352, 206080), (1456, 191360), (1472, 189280), (1495, 186368), (1610, 173056), (1664, 167440), (1690, 164864), (1792, 155480), (1820, 153088), (1840, 151424), (2048, 136045), (2080, 133952), (2093, 133120), (2240, 124384), (2366, 117760), (2392, 116480), (2560, 108836), (2576, 108160), (2704, 103040), (2912, 95680), (2944, 94640), (2990, 93184), (3220, 86528), (3328, 83720), (3380, 82432), (3584, 77740), (3640, 76544), (3680, 75712), (3887, 71680), (4160, 66976), (4186, 66560), (4480, 62192), (4732, 58880), (4784, 58240), (5120, 54418), (5152, 54080), (5408, 51520), (5824, 47840), (5888, 47320), (5915, 47104), (5980, 46592), (6440, 43264), (6656, 41860), (6760, 41216), (7168, 38870), (7280, 38272), (7360, 37856), (7774, 35840), (8320, 33488), (8372, 33280), (8960, 31096), (9464, 29440), (9568, 29120), (10240, 27209), (10304, 27040), (10465, 26624), (10816, 25760), (11648, 23920), (11776, 23660), (11830, 23552), (11960, 23296), (12880, 21632), (13312, 20930), (13520, 20608), (14336, 19435), (14560, 19136), (14720, 18928), (15548, 17920), (16640, 16744)]