387809280

素因数分解:

$2^{15}\times 3^2\times 5^1\times {\mathrm{263}}^1$

素因数の和:304

約数の個数: 192

約数和(自身を含む): 1349496720

約数和(自身を除く): 961687440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 263, 288, 320, 360, 384, 480, 512, 526, 576, 640, 720, 768, 789, 960, 1024, 1052, 1152, 1280, 1315, 1440, 1536, 1578, 1920, 2048, 2104, 2304, 2367, 2560, 2630, 2880, 3072, 3156, 3840, 3945, 4096, 4208, 4608, 4734, 5120, 5260, 5760, 6144, 6312, 7680, 7890, 8192, 8416, 9216, 9468, 10240, 10520, 11520, 11835, 12288, 12624, 15360, 15780, 16384, 16832, 18432, 18936, 20480, 21040, 23040, 23670, 24576, 25248, 30720, 31560, 32768, 33664, 36864, 37872, 40960, 42080, 46080, 47340, 49152, 50496, 61440, 63120, 67328, 73728, 75744, 81920, 84160, 92160, 94680, 98304, 100992, 122880, 126240, 134656, 147456, 151488, 163840, 168320, 184320, 189360, 201984, 245760, 252480, 269312, 294912, 302976, 336640, 368640, 378720, 403968, 491520, 504960, 538624, 605952, 673280, 737280, 757440, 807936, 1009920, 1077248, 1211904, 1346560, 1474560, 1514880, 1615872, 2019840, 2154496, 2423808, 2693120, 3029760, 3231744, 4039680, 4308992, 4847616, 5386240, 6059520, 6463488, 8079360, 8617984, 9695232, 10772480, 12119040, 12926976, 16158720, 19390464, 21544960, 24238080, 25853952, 32317440, 38780928, 43089920, 48476160, 64634880, 77561856, 96952320, 129269760, 193904640, 387809280]

約数ペア:

[(1, 387809280), (2, 193904640), (3, 129269760), (4, 96952320), (5, 77561856), (6, 64634880), (8, 48476160), (9, 43089920), (10, 38780928), (12, 32317440), (15, 25853952), (16, 24238080), (18, 21544960), (20, 19390464), (24, 16158720), (30, 12926976), (32, 12119040), (36, 10772480), (40, 9695232), (45, 8617984), (48, 8079360), (60, 6463488), (64, 6059520), (72, 5386240), (80, 4847616), (90, 4308992), (96, 4039680), (120, 3231744), (128, 3029760), (144, 2693120), (160, 2423808), (180, 2154496), (192, 2019840), (240, 1615872), (256, 1514880), (263, 1474560), (288, 1346560), (320, 1211904), (360, 1077248), (384, 1009920), (480, 807936), (512, 757440), (526, 737280), (576, 673280), (640, 605952), (720, 538624), (768, 504960), (789, 491520), (960, 403968), (1024, 378720), (1052, 368640), (1152, 336640), (1280, 302976), (1315, 294912), (1440, 269312), (1536, 252480), (1578, 245760), (1920, 201984), (2048, 189360), (2104, 184320), (2304, 168320), (2367, 163840), (2560, 151488), (2630, 147456), (2880, 134656), (3072, 126240), (3156, 122880), (3840, 100992), (3945, 98304), (4096, 94680), (4208, 92160), (4608, 84160), (4734, 81920), (5120, 75744), (5260, 73728), (5760, 67328), (6144, 63120), (6312, 61440), (7680, 50496), (7890, 49152), (8192, 47340), (8416, 46080), (9216, 42080), (9468, 40960), (10240, 37872), (10520, 36864), (11520, 33664), (11835, 32768), (12288, 31560), (12624, 30720), (15360, 25248), (15780, 24576), (16384, 23670), (16832, 23040), (18432, 21040), (18936, 20480)]