1278018560

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 264

約数和(自身を含む): 3811939776

約数和(自身を除く): 2533921216

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 169, 182, 208, 211, 224, 256, 260, 280, 320, 338, 364, 416, 422, 448, 455, 512, 520, 560, 640, 676, 728, 832, 844, 845, 896, 910, 1024, 1040, 1055, 1120, 1183, 1280, 1352, 1456, 1477, 1664, 1688, 1690, 1792, 1820, 2080, 2110, 2240, 2366, 2560, 2704, 2743, 2912, 2954, 3328, 3376, 3380, 3584, 3640, 4160, 4220, 4480, 4732, 5120, 5408, 5486, 5824, 5908, 5915, 6656, 6752, 6760, 7168, 7280, 7385, 8320, 8440, 8960, 9464, 10816, 10972, 11648, 11816, 11830, 13312, 13504, 13520, 13715, 14560, 14770, 16640, 16880, 17920, 18928, 19201, 21632, 21944, 23296, 23632, 23660, 27008, 27040, 27430, 29120, 29540, 33280, 33760, 35659, 35840, 37856, 38402, 43264, 43888, 46592, 47264, 47320, 54016, 54080, 54860, 58240, 59080, 66560, 67520, 71318, 75712, 76804, 86528, 87776, 93184, 94528, 94640, 96005, 108032, 108160, 109720, 116480, 118160, 135040, 142636, 151424, 153608, 173056, 175552, 178295, 189056, 189280, 192010, 216064, 216320, 219440, 232960, 236320, 249613, 270080, 285272, 302848, 307216, 351104, 356590, 378112, 378560, 384020, 432640, 438880, 465920, 472640, 499226, 540160, 570544, 605696, 614432, 702208, 713180, 756224, 757120, 768040, 865280, 877760, 945280, 998452, 1080320, 1141088, 1211392, 1228864, 1248065, 1404416, 1426360, 1512448, 1514240, 1536080, 1755520, 1890560, 1996904, 2282176, 2457728, 2496130, 2808832, 2852720, 3028480, 3072160, 3511040, 3781120, 3993808, 4564352, 4915456, 4992260, 5705440, 6056960, 6144320, 7022080, 7562240, 7987616, 9128704, 9830912, 9984520, 11410880, 12288640, 14044160, 15975232, 18257408, 19661824, 19969040, 22821760, 24577280, 31950464, 36514816, 39938080, 45643520, 49154560, 63900928, 79876160, 91287040, 98309120, 127801856, 159752320, 182574080, 255603712, 319504640, 639009280, 1278018560]

約数ペア:

[(1, 1278018560), (2, 639009280), (4, 319504640), (5, 255603712), (7, 182574080), (8, 159752320), (10, 127801856), (13, 98309120), (14, 91287040), (16, 79876160), (20, 63900928), (26, 49154560), (28, 45643520), (32, 39938080), (35, 36514816), (40, 31950464), (52, 24577280), (56, 22821760), (64, 19969040), (65, 19661824), (70, 18257408), (80, 15975232), (91, 14044160), (104, 12288640), (112, 11410880), (128, 9984520), (130, 9830912), (140, 9128704), (160, 7987616), (169, 7562240), (182, 7022080), (208, 6144320), (211, 6056960), (224, 5705440), (256, 4992260), (260, 4915456), (280, 4564352), (320, 3993808), (338, 3781120), (364, 3511040), (416, 3072160), (422, 3028480), (448, 2852720), (455, 2808832), (512, 2496130), (520, 2457728), (560, 2282176), (640, 1996904), (676, 1890560), (728, 1755520), (832, 1536080), (844, 1514240), (845, 1512448), (896, 1426360), (910, 1404416), (1024, 1248065), (1040, 1228864), (1055, 1211392), (1120, 1141088), (1183, 1080320), (1280, 998452), (1352, 945280), (1456, 877760), (1477, 865280), (1664, 768040), (1688, 757120), (1690, 756224), (1792, 713180), (1820, 702208), (2080, 614432), (2110, 605696), (2240, 570544), (2366, 540160), (2560, 499226), (2704, 472640), (2743, 465920), (2912, 438880), (2954, 432640), (3328, 384020), (3376, 378560), (3380, 378112), (3584, 356590), (3640, 351104), (4160, 307216), (4220, 302848), (4480, 285272), (4732, 270080), (5120, 249613), (5408, 236320), (5486, 232960), (5824, 219440), (5908, 216320), (5915, 216064), (6656, 192010), (6752, 189280), (6760, 189056), (7168, 178295), (7280, 175552), (7385, 173056), (8320, 153608), (8440, 151424), (8960, 142636), (9464, 135040), (10816, 118160), (10972, 116480), (11648, 109720), (11816, 108160), (11830, 108032), (13312, 96005), (13504, 94640), (13520, 94528), (13715, 93184), (14560, 87776), (14770, 86528), (16640, 76804), (16880, 75712), (17920, 71318), (18928, 67520), (19201, 66560), (21632, 59080), (21944, 58240), (23296, 54860), (23632, 54080), (23660, 54016), (27008, 47320), (27040, 47264), (27430, 46592), (29120, 43888), (29540, 43264), (33280, 38402), (33760, 37856), (35659, 35840)]