128839680

素因数分解:

$2^{12}\times 3^3\times 5^1\times {\mathrm{233}}^1$

素因数の和:271

約数の個数: 208

約数和(自身を含む): 460006560

約数和(自身を除く): 331166880

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, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 233, 240, 256, 270, 288, 320, 360, 384, 432, 466, 480, 512, 540, 576, 640, 699, 720, 768, 864, 932, 960, 1024, 1080, 1152, 1165, 1280, 1398, 1440, 1536, 1728, 1864, 1920, 2048, 2097, 2160, 2304, 2330, 2560, 2796, 2880, 3072, 3456, 3495, 3728, 3840, 4096, 4194, 4320, 4608, 4660, 5120, 5592, 5760, 6144, 6291, 6912, 6990, 7456, 7680, 8388, 8640, 9216, 9320, 10240, 10485, 11184, 11520, 12288, 12582, 13824, 13980, 14912, 15360, 16776, 17280, 18432, 18640, 20480, 20970, 22368, 23040, 25164, 27648, 27960, 29824, 30720, 31455, 33552, 34560, 36864, 37280, 41940, 44736, 46080, 50328, 55296, 55920, 59648, 61440, 62910, 67104, 69120, 74560, 83880, 89472, 92160, 100656, 110592, 111840, 119296, 125820, 134208, 138240, 149120, 167760, 178944, 184320, 201312, 223680, 238592, 251640, 268416, 276480, 298240, 335520, 357888, 402624, 447360, 477184, 503280, 536832, 552960, 596480, 671040, 715776, 805248, 894720, 954368, 1006560, 1073664, 1192960, 1342080, 1431552, 1610496, 1789440, 2013120, 2147328, 2385920, 2684160, 2863104, 3220992, 3578880, 4026240, 4294656, 4771840, 5368320, 6441984, 7157760, 8052480, 8589312, 10736640, 12883968, 14315520, 16104960, 21473280, 25767936, 32209920, 42946560, 64419840, 128839680]

約数ペア:

[(1, 128839680), (2, 64419840), (3, 42946560), (4, 32209920), (5, 25767936), (6, 21473280), (8, 16104960), (9, 14315520), (10, 12883968), (12, 10736640), (15, 8589312), (16, 8052480), (18, 7157760), (20, 6441984), (24, 5368320), (27, 4771840), (30, 4294656), (32, 4026240), (36, 3578880), (40, 3220992), (45, 2863104), (48, 2684160), (54, 2385920), (60, 2147328), (64, 2013120), (72, 1789440), (80, 1610496), (90, 1431552), (96, 1342080), (108, 1192960), (120, 1073664), (128, 1006560), (135, 954368), (144, 894720), (160, 805248), (180, 715776), (192, 671040), (216, 596480), (233, 552960), (240, 536832), (256, 503280), (270, 477184), (288, 447360), (320, 402624), (360, 357888), (384, 335520), (432, 298240), (466, 276480), (480, 268416), (512, 251640), (540, 238592), (576, 223680), (640, 201312), (699, 184320), (720, 178944), (768, 167760), (864, 149120), (932, 138240), (960, 134208), (1024, 125820), (1080, 119296), (1152, 111840), (1165, 110592), (1280, 100656), (1398, 92160), (1440, 89472), (1536, 83880), (1728, 74560), (1864, 69120), (1920, 67104), (2048, 62910), (2097, 61440), (2160, 59648), (2304, 55920), (2330, 55296), (2560, 50328), (2796, 46080), (2880, 44736), (3072, 41940), (3456, 37280), (3495, 36864), (3728, 34560), (3840, 33552), (4096, 31455), (4194, 30720), (4320, 29824), (4608, 27960), (4660, 27648), (5120, 25164), (5592, 23040), (5760, 22368), (6144, 20970), (6291, 20480), (6912, 18640), (6990, 18432), (7456, 17280), (7680, 16776), (8388, 15360), (8640, 14912), (9216, 13980), (9320, 13824), (10240, 12582), (10485, 12288), (11184, 11520)]