1290666240

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{563}}^1$

素因数の和:789

約数の個数: 216

約数和(自身を含む): 4495982400

約数和(自身を除く): 3205316160

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, 256, 288, 320, 360, 384, 398, 480, 563, 576, 597, 640, 720, 768, 796, 960, 995, 1126, 1152, 1194, 1280, 1440, 1592, 1689, 1791, 1920, 1990, 2252, 2304, 2388, 2815, 2880, 2985, 3184, 3378, 3582, 3840, 3980, 4504, 4776, 5067, 5630, 5760, 5970, 6368, 6756, 7164, 7960, 8445, 8955, 9008, 9552, 10134, 11260, 11520, 11940, 12736, 13512, 14328, 15920, 16890, 17910, 18016, 19104, 20268, 22520, 23880, 25335, 25472, 27024, 28656, 31840, 33780, 35820, 36032, 38208, 40536, 45040, 47760, 50670, 50944, 54048, 57312, 63680, 67560, 71640, 72064, 76416, 81072, 90080, 95520, 101340, 108096, 112037, 114624, 127360, 135120, 143280, 144128, 152832, 162144, 180160, 191040, 202680, 216192, 224074, 229248, 254720, 270240, 286560, 324288, 336111, 360320, 382080, 405360, 432384, 448148, 458496, 540480, 560185, 573120, 648576, 672222, 720640, 764160, 810720, 896296, 1008333, 1080960, 1120370, 1146240, 1297152, 1344444, 1621440, 1680555, 1792592, 2016666, 2161920, 2240740, 2292480, 2688888, 3242880, 3361110, 3585184, 4033332, 4481480, 5041665, 5377776, 6485760, 6722220, 7170368, 8066664, 8962960, 10083330, 10755552, 13444440, 14340736, 16133328, 17925920, 20166660, 21511104, 26888880, 28681472, 32266656, 35851840, 40333320, 43022208, 53777760, 64533312, 71703680, 80666640, 86044416, 107555520, 129066624, 143407360, 161333280, 215111040, 258133248, 322666560, 430222080, 645333120, 1290666240]

約数ペア:

[(1, 1290666240), (2, 645333120), (3, 430222080), (4, 322666560), (5, 258133248), (6, 215111040), (8, 161333280), (9, 143407360), (10, 129066624), (12, 107555520), (15, 86044416), (16, 80666640), (18, 71703680), (20, 64533312), (24, 53777760), (30, 43022208), (32, 40333320), (36, 35851840), (40, 32266656), (45, 28681472), (48, 26888880), (60, 21511104), (64, 20166660), (72, 17925920), (80, 16133328), (90, 14340736), (96, 13444440), (120, 10755552), (128, 10083330), (144, 8962960), (160, 8066664), (180, 7170368), (192, 6722220), (199, 6485760), (240, 5377776), (256, 5041665), (288, 4481480), (320, 4033332), (360, 3585184), (384, 3361110), (398, 3242880), (480, 2688888), (563, 2292480), (576, 2240740), (597, 2161920), (640, 2016666), (720, 1792592), (768, 1680555), (796, 1621440), (960, 1344444), (995, 1297152), (1126, 1146240), (1152, 1120370), (1194, 1080960), (1280, 1008333), (1440, 896296), (1592, 810720), (1689, 764160), (1791, 720640), (1920, 672222), (1990, 648576), (2252, 573120), (2304, 560185), (2388, 540480), (2815, 458496), (2880, 448148), (2985, 432384), (3184, 405360), (3378, 382080), (3582, 360320), (3840, 336111), (3980, 324288), (4504, 286560), (4776, 270240), (5067, 254720), (5630, 229248), (5760, 224074), (5970, 216192), (6368, 202680), (6756, 191040), (7164, 180160), (7960, 162144), (8445, 152832), (8955, 144128), (9008, 143280), (9552, 135120), (10134, 127360), (11260, 114624), (11520, 112037), (11940, 108096), (12736, 101340), (13512, 95520), (14328, 90080), (15920, 81072), (16890, 76416), (17910, 72064), (18016, 71640), (19104, 67560), (20268, 63680), (22520, 57312), (23880, 54048), (25335, 50944), (25472, 50670), (27024, 47760), (28656, 45040), (31840, 40536), (33780, 38208), (35820, 36032)]