861567840

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{9497}}^1$

素因数の和:9531

約数の個数: 240

約数和(自身を含む): 3475356192

約数和(自身を除く): 2613788352

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 9497, 10080, 11340, 12960, 15120, 18144, 18994, 22680, 28491, 30240, 37988, 45360, 47485, 56982, 66479, 75976, 85473, 90720, 94970, 113964, 132958, 142455, 151952, 170946, 189940, 199437, 227928, 256419, 265916, 284910, 303904, 332395, 341892, 379880, 398874, 427365, 455856, 512838, 531832, 569820, 598311, 664790, 683784, 759760, 769257, 797748, 854730, 911712, 997185, 1025676, 1063664, 1139640, 1196622, 1282095, 1329580, 1367568, 1519520, 1538514, 1595496, 1709460, 1794933, 1994370, 2051352, 2127328, 2279280, 2393244, 2564190, 2659160, 2735136, 2991555, 3077028, 3190992, 3418920, 3589866, 3846285, 3988740, 4102704, 4558560, 4786488, 5128380, 5318320, 5384799, 5983110, 6154056, 6381984, 6837840, 7179732, 7692570, 7977480, 8205408, 8974665, 9572976, 10256760, 10636640, 10769598, 11966220, 12308112, 13675680, 14359464, 15385140, 15954960, 17949330, 19145952, 20513520, 21539196, 23932440, 24616224, 26923995, 28718928, 30770280, 31909920, 35898660, 41027040, 43078392, 47864880, 53847990, 57437856, 61540560, 71797320, 86156784, 95729760, 107695980, 123081120, 143594640, 172313568, 215391960, 287189280, 430783920, 861567840]

約数ペア:

[(1, 861567840), (2, 430783920), (3, 287189280), (4, 215391960), (5, 172313568), (6, 143594640), (7, 123081120), (8, 107695980), (9, 95729760), (10, 86156784), (12, 71797320), (14, 61540560), (15, 57437856), (16, 53847990), (18, 47864880), (20, 43078392), (21, 41027040), (24, 35898660), (27, 31909920), (28, 30770280), (30, 28718928), (32, 26923995), (35, 24616224), (36, 23932440), (40, 21539196), (42, 20513520), (45, 19145952), (48, 17949330), (54, 15954960), (56, 15385140), (60, 14359464), (63, 13675680), (70, 12308112), (72, 11966220), (80, 10769598), (81, 10636640), (84, 10256760), (90, 9572976), (96, 8974665), (105, 8205408), (108, 7977480), (112, 7692570), (120, 7179732), (126, 6837840), (135, 6381984), (140, 6154056), (144, 5983110), (160, 5384799), (162, 5318320), (168, 5128380), (180, 4786488), (189, 4558560), (210, 4102704), (216, 3988740), (224, 3846285), (240, 3589866), (252, 3418920), (270, 3190992), (280, 3077028), (288, 2991555), (315, 2735136), (324, 2659160), (336, 2564190), (360, 2393244), (378, 2279280), (405, 2127328), (420, 2051352), (432, 1994370), (480, 1794933), (504, 1709460), (540, 1595496), (560, 1538514), (567, 1519520), (630, 1367568), (648, 1329580), (672, 1282095), (720, 1196622), (756, 1139640), (810, 1063664), (840, 1025676), (864, 997185), (945, 911712), (1008, 854730), (1080, 797748), (1120, 769257), (1134, 759760), (1260, 683784), (1296, 664790), (1440, 598311), (1512, 569820), (1620, 531832), (1680, 512838), (1890, 455856), (2016, 427365), (2160, 398874), (2268, 379880), (2520, 341892), (2592, 332395), (2835, 303904), (3024, 284910), (3240, 265916), (3360, 256419), (3780, 227928), (4320, 199437), (4536, 189940), (5040, 170946), (5670, 151952), (6048, 142455), (6480, 132958), (7560, 113964), (9072, 94970), (9497, 90720), (10080, 85473), (11340, 75976), (12960, 66479), (15120, 56982), (18144, 47485), (18994, 45360), (22680, 37988), (28491, 30240)]