1640874240

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:710

約数の個数: 288

約数和(自身を含む): 5906342400

約数和(自身を除く): 4265468160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 79, 80, 90, 96, 108, 120, 128, 135, 144, 158, 160, 180, 192, 216, 237, 240, 256, 270, 288, 316, 320, 360, 384, 395, 432, 474, 480, 540, 576, 601, 632, 640, 711, 720, 768, 790, 864, 948, 960, 1080, 1152, 1185, 1202, 1264, 1280, 1422, 1440, 1580, 1728, 1803, 1896, 1920, 2133, 2160, 2304, 2370, 2404, 2528, 2844, 2880, 3005, 3160, 3456, 3555, 3606, 3792, 3840, 4266, 4320, 4740, 4808, 5056, 5409, 5688, 5760, 6010, 6320, 6912, 7110, 7212, 7584, 8532, 8640, 9015, 9480, 9616, 10112, 10665, 10818, 11376, 11520, 12020, 12640, 14220, 14424, 15168, 16227, 17064, 17280, 18030, 18960, 19232, 20224, 21330, 21636, 22752, 24040, 25280, 27045, 28440, 28848, 30336, 32454, 34128, 34560, 36060, 37920, 38464, 42660, 43272, 45504, 47479, 48080, 50560, 54090, 56880, 57696, 60672, 64908, 68256, 72120, 75840, 76928, 81135, 85320, 86544, 91008, 94958, 96160, 101120, 108180, 113760, 115392, 129816, 136512, 142437, 144240, 151680, 153856, 162270, 170640, 173088, 182016, 189916, 192320, 216360, 227520, 230784, 237395, 259632, 273024, 284874, 288480, 303360, 324540, 341280, 346176, 379832, 384640, 427311, 432720, 455040, 461568, 474790, 519264, 546048, 569748, 576960, 649080, 682560, 692352, 712185, 759664, 769280, 854622, 865440, 910080, 949580, 1038528, 1139496, 1153920, 1281933, 1298160, 1365120, 1384704, 1424370, 1519328, 1709244, 1730880, 1899160, 2077056, 2136555, 2278992, 2307840, 2563866, 2596320, 2730240, 2848740, 3038656, 3418488, 3461760, 3798320, 4154112, 4273110, 4557984, 5127732, 5192640, 5697480, 6077312, 6409665, 6836976, 6923520, 7596640, 8546220, 9115968, 10255464, 10385280, 11394960, 12154624, 12819330, 13673952, 15193280, 17092440, 18231936, 20510928, 20770560, 22789920, 25638660, 27347904, 30386560, 34184880, 36463872, 41021856, 45579840, 51277320, 54695808, 60773120, 68369760, 82043712, 91159680, 102554640, 109391616, 136739520, 164087424, 182319360, 205109280, 273479040, 328174848, 410218560, 546958080, 820437120, 1640874240]

約数ペア:

[(1, 1640874240), (2, 820437120), (3, 546958080), (4, 410218560), (5, 328174848), (6, 273479040), (8, 205109280), (9, 182319360), (10, 164087424), (12, 136739520), (15, 109391616), (16, 102554640), (18, 91159680), (20, 82043712), (24, 68369760), (27, 60773120), (30, 54695808), (32, 51277320), (36, 45579840), (40, 41021856), (45, 36463872), (48, 34184880), (54, 30386560), (60, 27347904), (64, 25638660), (72, 22789920), (79, 20770560), (80, 20510928), (90, 18231936), (96, 17092440), (108, 15193280), (120, 13673952), (128, 12819330), (135, 12154624), (144, 11394960), (158, 10385280), (160, 10255464), (180, 9115968), (192, 8546220), (216, 7596640), (237, 6923520), (240, 6836976), (256, 6409665), (270, 6077312), (288, 5697480), (316, 5192640), (320, 5127732), (360, 4557984), (384, 4273110), (395, 4154112), (432, 3798320), (474, 3461760), (480, 3418488), (540, 3038656), (576, 2848740), (601, 2730240), (632, 2596320), (640, 2563866), (711, 2307840), (720, 2278992), (768, 2136555), (790, 2077056), (864, 1899160), (948, 1730880), (960, 1709244), (1080, 1519328), (1152, 1424370), (1185, 1384704), (1202, 1365120), (1264, 1298160), (1280, 1281933), (1422, 1153920), (1440, 1139496), (1580, 1038528), (1728, 949580), (1803, 910080), (1896, 865440), (1920, 854622), (2133, 769280), (2160, 759664), (2304, 712185), (2370, 692352), (2404, 682560), (2528, 649080), (2844, 576960), (2880, 569748), (3005, 546048), (3160, 519264), (3456, 474790), (3555, 461568), (3606, 455040), (3792, 432720), (3840, 427311), (4266, 384640), (4320, 379832), (4740, 346176), (4808, 341280), (5056, 324540), (5409, 303360), (5688, 288480), (5760, 284874), (6010, 273024), (6320, 259632), (6912, 237395), (7110, 230784), (7212, 227520), (7584, 216360), (8532, 192320), (8640, 189916), (9015, 182016), (9480, 173088), (9616, 170640), (10112, 162270), (10665, 153856), (10818, 151680), (11376, 144240), (11520, 142437), (12020, 136512), (12640, 129816), (14220, 115392), (14424, 113760), (15168, 108180), (16227, 101120), (17064, 96160), (17280, 94958), (18030, 91008), (18960, 86544), (19232, 85320), (20224, 81135), (21330, 76928), (21636, 75840), (22752, 72120), (24040, 68256), (25280, 64908), (27045, 60672), (28440, 57696), (28848, 56880), (30336, 54090), (32454, 50560), (34128, 48080), (34560, 47479), (36060, 45504), (37920, 43272), (38464, 42660)]