205280640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:409

約数の個数: 192

約数和(自身を含む): 716517360

約数和(自身を除く): 511236720

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, 157, 160, 180, 192, 227, 240, 288, 314, 320, 360, 384, 454, 471, 480, 576, 628, 640, 681, 720, 785, 908, 942, 960, 1135, 1152, 1256, 1362, 1413, 1440, 1570, 1816, 1884, 1920, 2043, 2270, 2355, 2512, 2724, 2826, 2880, 3140, 3405, 3632, 3768, 4086, 4540, 4710, 5024, 5448, 5652, 5760, 6280, 6810, 7065, 7264, 7536, 8172, 9080, 9420, 10048, 10215, 10896, 11304, 12560, 13620, 14130, 14528, 15072, 16344, 18160, 18840, 20096, 20430, 21792, 22608, 25120, 27240, 28260, 29056, 30144, 32688, 35639, 36320, 37680, 40860, 43584, 45216, 50240, 54480, 56520, 60288, 65376, 71278, 72640, 75360, 81720, 87168, 90432, 100480, 106917, 108960, 113040, 130752, 142556, 145280, 150720, 163440, 178195, 180864, 213834, 217920, 226080, 261504, 285112, 301440, 320751, 326880, 356390, 427668, 435840, 452160, 534585, 570224, 641502, 653760, 712780, 855336, 904320, 1069170, 1140448, 1283004, 1307520, 1425560, 1603755, 1710672, 2138340, 2280896, 2566008, 2851120, 3207510, 3421344, 4276680, 4561792, 5132016, 5702240, 6415020, 6842688, 8553360, 10264032, 11404480, 12830040, 13685376, 17106720, 20528064, 22808960, 25660080, 34213440, 41056128, 51320160, 68426880, 102640320, 205280640]

約数ペア:

[(1, 205280640), (2, 102640320), (3, 68426880), (4, 51320160), (5, 41056128), (6, 34213440), (8, 25660080), (9, 22808960), (10, 20528064), (12, 17106720), (15, 13685376), (16, 12830040), (18, 11404480), (20, 10264032), (24, 8553360), (30, 6842688), (32, 6415020), (36, 5702240), (40, 5132016), (45, 4561792), (48, 4276680), (60, 3421344), (64, 3207510), (72, 2851120), (80, 2566008), (90, 2280896), (96, 2138340), (120, 1710672), (128, 1603755), (144, 1425560), (157, 1307520), (160, 1283004), (180, 1140448), (192, 1069170), (227, 904320), (240, 855336), (288, 712780), (314, 653760), (320, 641502), (360, 570224), (384, 534585), (454, 452160), (471, 435840), (480, 427668), (576, 356390), (628, 326880), (640, 320751), (681, 301440), (720, 285112), (785, 261504), (908, 226080), (942, 217920), (960, 213834), (1135, 180864), (1152, 178195), (1256, 163440), (1362, 150720), (1413, 145280), (1440, 142556), (1570, 130752), (1816, 113040), (1884, 108960), (1920, 106917), (2043, 100480), (2270, 90432), (2355, 87168), (2512, 81720), (2724, 75360), (2826, 72640), (2880, 71278), (3140, 65376), (3405, 60288), (3632, 56520), (3768, 54480), (4086, 50240), (4540, 45216), (4710, 43584), (5024, 40860), (5448, 37680), (5652, 36320), (5760, 35639), (6280, 32688), (6810, 30144), (7065, 29056), (7264, 28260), (7536, 27240), (8172, 25120), (9080, 22608), (9420, 21792), (10048, 20430), (10215, 20096), (10896, 18840), (11304, 18160), (12560, 16344), (13620, 15072), (14130, 14528)]