81085200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^3\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 240

約数和(自身を含む): 304444800

約数和(自身を除く): 223359600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 49, 50, 56, 60, 70, 75, 80, 84, 98, 100, 105, 112, 120, 140, 147, 150, 168, 175, 196, 197, 200, 210, 240, 245, 280, 294, 300, 336, 343, 350, 392, 394, 400, 420, 490, 525, 560, 588, 591, 600, 686, 700, 735, 784, 788, 840, 980, 985, 1029, 1050, 1176, 1182, 1200, 1225, 1372, 1379, 1400, 1470, 1576, 1680, 1715, 1960, 1970, 2058, 2100, 2352, 2364, 2450, 2744, 2758, 2800, 2940, 2955, 3152, 3430, 3675, 3920, 3940, 4116, 4137, 4200, 4728, 4900, 4925, 5145, 5488, 5516, 5880, 5910, 6860, 6895, 7350, 7880, 8232, 8274, 8400, 8575, 9456, 9653, 9800, 9850, 10290, 11032, 11760, 11820, 13720, 13790, 14700, 14775, 15760, 16464, 16548, 17150, 19306, 19600, 19700, 20580, 20685, 22064, 23640, 25725, 27440, 27580, 28959, 29400, 29550, 33096, 34300, 34475, 38612, 39400, 41160, 41370, 47280, 48265, 51450, 55160, 57918, 58800, 59100, 66192, 67571, 68600, 68950, 77224, 78800, 82320, 82740, 96530, 102900, 103425, 110320, 115836, 118200, 135142, 137200, 137900, 144795, 154448, 165480, 193060, 202713, 205800, 206850, 231672, 236400, 241325, 270284, 275800, 289590, 330960, 337855, 386120, 405426, 411600, 413700, 463344, 482650, 540568, 551600, 579180, 675710, 723975, 772240, 810852, 827400, 965300, 1013565, 1081136, 1158360, 1351420, 1447950, 1621704, 1654800, 1689275, 1930600, 2027130, 2316720, 2702840, 2895900, 3243408, 3378550, 3861200, 4054260, 5067825, 5405680, 5791800, 6757100, 8108520, 10135650, 11583600, 13514200, 16217040, 20271300, 27028400, 40542600, 81085200]

約数ペア:

[(1, 81085200), (2, 40542600), (3, 27028400), (4, 20271300), (5, 16217040), (6, 13514200), (7, 11583600), (8, 10135650), (10, 8108520), (12, 6757100), (14, 5791800), (15, 5405680), (16, 5067825), (20, 4054260), (21, 3861200), (24, 3378550), (25, 3243408), (28, 2895900), (30, 2702840), (35, 2316720), (40, 2027130), (42, 1930600), (48, 1689275), (49, 1654800), (50, 1621704), (56, 1447950), (60, 1351420), (70, 1158360), (75, 1081136), (80, 1013565), (84, 965300), (98, 827400), (100, 810852), (105, 772240), (112, 723975), (120, 675710), (140, 579180), (147, 551600), (150, 540568), (168, 482650), (175, 463344), (196, 413700), (197, 411600), (200, 405426), (210, 386120), (240, 337855), (245, 330960), (280, 289590), (294, 275800), (300, 270284), (336, 241325), (343, 236400), (350, 231672), (392, 206850), (394, 205800), (400, 202713), (420, 193060), (490, 165480), (525, 154448), (560, 144795), (588, 137900), (591, 137200), (600, 135142), (686, 118200), (700, 115836), (735, 110320), (784, 103425), (788, 102900), (840, 96530), (980, 82740), (985, 82320), (1029, 78800), (1050, 77224), (1176, 68950), (1182, 68600), (1200, 67571), (1225, 66192), (1372, 59100), (1379, 58800), (1400, 57918), (1470, 55160), (1576, 51450), (1680, 48265), (1715, 47280), (1960, 41370), (1970, 41160), (2058, 39400), (2100, 38612), (2352, 34475), (2364, 34300), (2450, 33096), (2744, 29550), (2758, 29400), (2800, 28959), (2940, 27580), (2955, 27440), (3152, 25725), (3430, 23640), (3675, 22064), (3920, 20685), (3940, 20580), (4116, 19700), (4137, 19600), (4200, 19306), (4728, 17150), (4900, 16548), (4925, 16464), (5145, 15760), (5488, 14775), (5516, 14700), (5880, 13790), (5910, 13720), (6860, 11820), (6895, 11760), (7350, 11032), (7880, 10290), (8232, 9850), (8274, 9800), (8400, 9653), (8575, 9456)]