320131440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:541

約数の個数: 200

約数和(自身を含む): 1123499520

約数和(自身を除く): 803368080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 127, 135, 144, 162, 180, 216, 240, 254, 270, 324, 360, 381, 389, 405, 432, 508, 540, 635, 648, 720, 762, 778, 810, 1016, 1080, 1143, 1167, 1270, 1296, 1524, 1556, 1620, 1905, 1945, 2032, 2160, 2286, 2334, 2540, 3048, 3112, 3240, 3429, 3501, 3810, 3890, 4572, 4668, 5080, 5715, 5835, 6096, 6224, 6480, 6858, 7002, 7620, 7780, 9144, 9336, 10160, 10287, 10503, 11430, 11670, 13716, 14004, 15240, 15560, 17145, 17505, 18288, 18672, 20574, 21006, 22860, 23340, 27432, 28008, 30480, 31120, 31509, 34290, 35010, 41148, 42012, 45720, 46680, 49403, 51435, 52515, 54864, 56016, 63018, 68580, 70020, 82296, 84024, 91440, 93360, 98806, 102870, 105030, 126036, 137160, 140040, 148209, 157545, 164592, 168048, 197612, 205740, 210060, 247015, 252072, 274320, 280080, 296418, 315090, 395224, 411480, 420120, 444627, 494030, 504144, 592836, 630180, 741045, 790448, 822960, 840240, 889254, 988060, 1185672, 1260360, 1333881, 1482090, 1778508, 1976120, 2223135, 2371344, 2520720, 2667762, 2964180, 3557016, 3952240, 4001643, 4446270, 5335524, 5928360, 6669405, 7114032, 8003286, 8892540, 10671048, 11856720, 13338810, 16006572, 17785080, 20008215, 21342096, 26677620, 32013144, 35570160, 40016430, 53355240, 64026288, 80032860, 106710480, 160065720, 320131440]

約数ペア:

[(1, 320131440), (2, 160065720), (3, 106710480), (4, 80032860), (5, 64026288), (6, 53355240), (8, 40016430), (9, 35570160), (10, 32013144), (12, 26677620), (15, 21342096), (16, 20008215), (18, 17785080), (20, 16006572), (24, 13338810), (27, 11856720), (30, 10671048), (36, 8892540), (40, 8003286), (45, 7114032), (48, 6669405), (54, 5928360), (60, 5335524), (72, 4446270), (80, 4001643), (81, 3952240), (90, 3557016), (108, 2964180), (120, 2667762), (127, 2520720), (135, 2371344), (144, 2223135), (162, 1976120), (180, 1778508), (216, 1482090), (240, 1333881), (254, 1260360), (270, 1185672), (324, 988060), (360, 889254), (381, 840240), (389, 822960), (405, 790448), (432, 741045), (508, 630180), (540, 592836), (635, 504144), (648, 494030), (720, 444627), (762, 420120), (778, 411480), (810, 395224), (1016, 315090), (1080, 296418), (1143, 280080), (1167, 274320), (1270, 252072), (1296, 247015), (1524, 210060), (1556, 205740), (1620, 197612), (1905, 168048), (1945, 164592), (2032, 157545), (2160, 148209), (2286, 140040), (2334, 137160), (2540, 126036), (3048, 105030), (3112, 102870), (3240, 98806), (3429, 93360), (3501, 91440), (3810, 84024), (3890, 82296), (4572, 70020), (4668, 68580), (5080, 63018), (5715, 56016), (5835, 54864), (6096, 52515), (6224, 51435), (6480, 49403), (6858, 46680), (7002, 45720), (7620, 42012), (7780, 41148), (9144, 35010), (9336, 34290), (10160, 31509), (10287, 31120), (10503, 30480), (11430, 28008), (11670, 27432), (13716, 23340), (14004, 22860), (15240, 21006), (15560, 20574), (17145, 18672), (17505, 18288)]