641399040

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:374

約数の個数: 288

約数和(自身を含む): 2318386560

約数和(自身を除く): 1676987520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 67, 72, 80, 90, 96, 108, 120, 128, 134, 135, 144, 160, 180, 192, 201, 216, 240, 256, 268, 270, 277, 288, 320, 335, 360, 384, 402, 432, 480, 536, 540, 554, 576, 603, 640, 670, 720, 768, 804, 831, 864, 960, 1005, 1072, 1080, 1108, 1152, 1206, 1280, 1340, 1385, 1440, 1608, 1662, 1728, 1809, 1920, 2010, 2144, 2160, 2216, 2304, 2412, 2493, 2680, 2770, 2880, 3015, 3216, 3324, 3456, 3618, 3840, 4020, 4155, 4288, 4320, 4432, 4824, 4986, 5360, 5540, 5760, 6030, 6432, 6648, 6912, 7236, 7479, 8040, 8310, 8576, 8640, 8864, 9045, 9648, 9972, 10720, 11080, 11520, 12060, 12465, 12864, 13296, 14472, 14958, 16080, 16620, 17152, 17280, 17728, 18090, 18559, 19296, 19944, 21440, 22160, 24120, 24930, 25728, 26592, 28944, 29916, 32160, 33240, 34560, 35456, 36180, 37118, 37395, 38592, 39888, 42880, 44320, 48240, 49860, 51456, 53184, 55677, 57888, 59832, 64320, 66480, 70912, 72360, 74236, 74790, 77184, 79776, 85760, 88640, 92795, 96480, 99720, 106368, 111354, 115776, 119664, 128640, 132960, 144720, 148472, 149580, 154368, 159552, 167031, 177280, 185590, 192960, 199440, 212736, 222708, 231552, 239328, 257280, 265920, 278385, 289440, 296944, 299160, 319104, 334062, 354560, 371180, 385920, 398880, 445416, 463104, 478656, 501093, 531840, 556770, 578880, 593888, 598320, 638208, 668124, 742360, 771840, 797760, 835155, 890832, 957312, 1002186, 1063680, 1113540, 1157760, 1187776, 1196640, 1336248, 1484720, 1595520, 1670310, 1781664, 1914624, 2004372, 2227080, 2315520, 2375552, 2393280, 2505465, 2672496, 2969440, 3191040, 3340620, 3563328, 4008744, 4454160, 4751104, 4786560, 5010930, 5344992, 5938880, 6681240, 7126656, 8017488, 8908320, 9573120, 10021860, 10689984, 11877760, 13362480, 14253312, 16034976, 17816640, 20043720, 21379968, 23755520, 26724960, 32069952, 35633280, 40087440, 42759936, 53449920, 64139904, 71266560, 80174880, 106899840, 128279808, 160349760, 213799680, 320699520, 641399040]

約数ペア:

[(1, 641399040), (2, 320699520), (3, 213799680), (4, 160349760), (5, 128279808), (6, 106899840), (8, 80174880), (9, 71266560), (10, 64139904), (12, 53449920), (15, 42759936), (16, 40087440), (18, 35633280), (20, 32069952), (24, 26724960), (27, 23755520), (30, 21379968), (32, 20043720), (36, 17816640), (40, 16034976), (45, 14253312), (48, 13362480), (54, 11877760), (60, 10689984), (64, 10021860), (67, 9573120), (72, 8908320), (80, 8017488), (90, 7126656), (96, 6681240), (108, 5938880), (120, 5344992), (128, 5010930), (134, 4786560), (135, 4751104), (144, 4454160), (160, 4008744), (180, 3563328), (192, 3340620), (201, 3191040), (216, 2969440), (240, 2672496), (256, 2505465), (268, 2393280), (270, 2375552), (277, 2315520), (288, 2227080), (320, 2004372), (335, 1914624), (360, 1781664), (384, 1670310), (402, 1595520), (432, 1484720), (480, 1336248), (536, 1196640), (540, 1187776), (554, 1157760), (576, 1113540), (603, 1063680), (640, 1002186), (670, 957312), (720, 890832), (768, 835155), (804, 797760), (831, 771840), (864, 742360), (960, 668124), (1005, 638208), (1072, 598320), (1080, 593888), (1108, 578880), (1152, 556770), (1206, 531840), (1280, 501093), (1340, 478656), (1385, 463104), (1440, 445416), (1608, 398880), (1662, 385920), (1728, 371180), (1809, 354560), (1920, 334062), (2010, 319104), (2144, 299160), (2160, 296944), (2216, 289440), (2304, 278385), (2412, 265920), (2493, 257280), (2680, 239328), (2770, 231552), (2880, 222708), (3015, 212736), (3216, 199440), (3324, 192960), (3456, 185590), (3618, 177280), (3840, 167031), (4020, 159552), (4155, 154368), (4288, 149580), (4320, 148472), (4432, 144720), (4824, 132960), (4986, 128640), (5360, 119664), (5540, 115776), (5760, 111354), (6030, 106368), (6432, 99720), (6648, 96480), (6912, 92795), (7236, 88640), (7479, 85760), (8040, 79776), (8310, 77184), (8576, 74790), (8640, 74236), (8864, 72360), (9045, 70912), (9648, 66480), (9972, 64320), (10720, 59832), (11080, 57888), (11520, 55677), (12060, 53184), (12465, 51456), (12864, 49860), (13296, 48240), (14472, 44320), (14958, 42880), (16080, 39888), (16620, 38592), (17152, 37395), (17280, 37118), (17728, 36180), (18090, 35456), (18559, 34560), (19296, 33240), (19944, 32160), (21440, 29916), (22160, 28944), (24120, 26592), (24930, 25728)]