280519680

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{2609}}^1$

素因数の和:2644

約数の個数: 176

約数和(自身を含む): 1025792640

約数和(自身を除く): 745272960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2609, 2688, 3072, 3360, 3584, 3840, 4480, 5120, 5218, 5376, 6720, 7168, 7680, 7827, 8960, 10436, 10752, 13045, 13440, 15360, 15654, 17920, 18263, 20872, 21504, 26090, 26880, 31308, 35840, 36526, 39135, 41744, 52180, 53760, 54789, 62616, 73052, 78270, 83488, 91315, 104360, 107520, 109578, 125232, 146104, 156540, 166976, 182630, 208720, 219156, 250464, 273945, 292208, 313080, 333952, 365260, 417440, 438312, 500928, 547890, 584416, 626160, 667904, 730520, 834880, 876624, 1001856, 1095780, 1168832, 1252320, 1335808, 1461040, 1669760, 1753248, 2003712, 2191560, 2337664, 2504640, 2671616, 2922080, 3339520, 3506496, 4007424, 4383120, 4675328, 5009280, 5844160, 6679040, 7012992, 8014848, 8766240, 9350656, 10018560, 11688320, 13358080, 14025984, 17532480, 18701312, 20037120, 23376640, 28051968, 35064960, 40074240, 46753280, 56103936, 70129920, 93506560, 140259840, 280519680]

約数ペア:

[(1, 280519680), (2, 140259840), (3, 93506560), (4, 70129920), (5, 56103936), (6, 46753280), (7, 40074240), (8, 35064960), (10, 28051968), (12, 23376640), (14, 20037120), (15, 18701312), (16, 17532480), (20, 14025984), (21, 13358080), (24, 11688320), (28, 10018560), (30, 9350656), (32, 8766240), (35, 8014848), (40, 7012992), (42, 6679040), (48, 5844160), (56, 5009280), (60, 4675328), (64, 4383120), (70, 4007424), (80, 3506496), (84, 3339520), (96, 2922080), (105, 2671616), (112, 2504640), (120, 2337664), (128, 2191560), (140, 2003712), (160, 1753248), (168, 1669760), (192, 1461040), (210, 1335808), (224, 1252320), (240, 1168832), (256, 1095780), (280, 1001856), (320, 876624), (336, 834880), (384, 730520), (420, 667904), (448, 626160), (480, 584416), (512, 547890), (560, 500928), (640, 438312), (672, 417440), (768, 365260), (840, 333952), (896, 313080), (960, 292208), (1024, 273945), (1120, 250464), (1280, 219156), (1344, 208720), (1536, 182630), (1680, 166976), (1792, 156540), (1920, 146104), (2240, 125232), (2560, 109578), (2609, 107520), (2688, 104360), (3072, 91315), (3360, 83488), (3584, 78270), (3840, 73052), (4480, 62616), (5120, 54789), (5218, 53760), (5376, 52180), (6720, 41744), (7168, 39135), (7680, 36526), (7827, 35840), (8960, 31308), (10436, 26880), (10752, 26090), (13045, 21504), (13440, 20872), (15360, 18263), (15654, 17920)]