287706240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:475

約数の個数: 192

約数和(自身を含む): 1002456000

約数和(自身を除く): 714749760

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, 199, 240, 251, 288, 320, 360, 384, 398, 480, 502, 576, 597, 640, 720, 753, 796, 960, 995, 1004, 1152, 1194, 1255, 1440, 1506, 1592, 1791, 1920, 1990, 2008, 2259, 2388, 2510, 2880, 2985, 3012, 3184, 3582, 3765, 3980, 4016, 4518, 4776, 5020, 5760, 5970, 6024, 6368, 7164, 7530, 7960, 8032, 8955, 9036, 9552, 10040, 11295, 11940, 12048, 12736, 14328, 15060, 15920, 16064, 17910, 18072, 19104, 20080, 22590, 23880, 24096, 25472, 28656, 30120, 31840, 32128, 35820, 36144, 38208, 40160, 45180, 47760, 48192, 49949, 57312, 60240, 63680, 71640, 72288, 76416, 80320, 90360, 95520, 96384, 99898, 114624, 120480, 127360, 143280, 144576, 149847, 160640, 180720, 191040, 199796, 229248, 240960, 249745, 286560, 289152, 299694, 361440, 382080, 399592, 449541, 481920, 499490, 573120, 599388, 722880, 749235, 799184, 899082, 998980, 1146240, 1198776, 1445760, 1498470, 1598368, 1798164, 1997960, 2247705, 2397552, 2996940, 3196736, 3596328, 3995920, 4495410, 4795104, 5993880, 6393472, 7192656, 7991840, 8990820, 9590208, 11987760, 14385312, 15983680, 17981640, 19180416, 23975520, 28770624, 31967360, 35963280, 47951040, 57541248, 71926560, 95902080, 143853120, 287706240]

約数ペア:

[(1, 287706240), (2, 143853120), (3, 95902080), (4, 71926560), (5, 57541248), (6, 47951040), (8, 35963280), (9, 31967360), (10, 28770624), (12, 23975520), (15, 19180416), (16, 17981640), (18, 15983680), (20, 14385312), (24, 11987760), (30, 9590208), (32, 8990820), (36, 7991840), (40, 7192656), (45, 6393472), (48, 5993880), (60, 4795104), (64, 4495410), (72, 3995920), (80, 3596328), (90, 3196736), (96, 2996940), (120, 2397552), (128, 2247705), (144, 1997960), (160, 1798164), (180, 1598368), (192, 1498470), (199, 1445760), (240, 1198776), (251, 1146240), (288, 998980), (320, 899082), (360, 799184), (384, 749235), (398, 722880), (480, 599388), (502, 573120), (576, 499490), (597, 481920), (640, 449541), (720, 399592), (753, 382080), (796, 361440), (960, 299694), (995, 289152), (1004, 286560), (1152, 249745), (1194, 240960), (1255, 229248), (1440, 199796), (1506, 191040), (1592, 180720), (1791, 160640), (1920, 149847), (1990, 144576), (2008, 143280), (2259, 127360), (2388, 120480), (2510, 114624), (2880, 99898), (2985, 96384), (3012, 95520), (3184, 90360), (3582, 80320), (3765, 76416), (3980, 72288), (4016, 71640), (4518, 63680), (4776, 60240), (5020, 57312), (5760, 49949), (5970, 48192), (6024, 47760), (6368, 45180), (7164, 40160), (7530, 38208), (7960, 36144), (8032, 35820), (8955, 32128), (9036, 31840), (9552, 30120), (10040, 28656), (11295, 25472), (11940, 24096), (12048, 23880), (12736, 22590), (14328, 20080), (15060, 19104), (15920, 18072), (16064, 17910)]