81827280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:946

約数の個数: 160

約数和(自身を含む): 288731520

約数和(自身を除く): 206904240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 108, 120, 129, 135, 144, 172, 180, 215, 216, 240, 258, 270, 344, 360, 387, 430, 432, 516, 540, 645, 688, 720, 774, 860, 881, 1032, 1080, 1161, 1290, 1548, 1720, 1762, 1935, 2064, 2160, 2322, 2580, 2643, 3096, 3440, 3524, 3870, 4405, 4644, 5160, 5286, 5805, 6192, 7048, 7740, 7929, 8810, 9288, 10320, 10572, 11610, 13215, 14096, 15480, 15858, 17620, 18576, 21144, 23220, 23787, 26430, 30960, 31716, 35240, 37883, 39645, 42288, 46440, 47574, 52860, 63432, 70480, 75766, 79290, 92880, 95148, 105720, 113649, 118935, 126864, 151532, 158580, 189415, 190296, 211440, 227298, 237870, 303064, 317160, 340947, 378830, 380592, 454596, 475740, 568245, 606128, 634320, 681894, 757660, 909192, 951480, 1022841, 1136490, 1363788, 1515320, 1704735, 1818384, 1902960, 2045682, 2272980, 2727576, 3030640, 3409470, 4091364, 4545960, 5114205, 5455152, 6818940, 8182728, 9091920, 10228410, 13637880, 16365456, 20456820, 27275760, 40913640, 81827280]

約数ペア:

[(1, 81827280), (2, 40913640), (3, 27275760), (4, 20456820), (5, 16365456), (6, 13637880), (8, 10228410), (9, 9091920), (10, 8182728), (12, 6818940), (15, 5455152), (16, 5114205), (18, 4545960), (20, 4091364), (24, 3409470), (27, 3030640), (30, 2727576), (36, 2272980), (40, 2045682), (43, 1902960), (45, 1818384), (48, 1704735), (54, 1515320), (60, 1363788), (72, 1136490), (80, 1022841), (86, 951480), (90, 909192), (108, 757660), (120, 681894), (129, 634320), (135, 606128), (144, 568245), (172, 475740), (180, 454596), (215, 380592), (216, 378830), (240, 340947), (258, 317160), (270, 303064), (344, 237870), (360, 227298), (387, 211440), (430, 190296), (432, 189415), (516, 158580), (540, 151532), (645, 126864), (688, 118935), (720, 113649), (774, 105720), (860, 95148), (881, 92880), (1032, 79290), (1080, 75766), (1161, 70480), (1290, 63432), (1548, 52860), (1720, 47574), (1762, 46440), (1935, 42288), (2064, 39645), (2160, 37883), (2322, 35240), (2580, 31716), (2643, 30960), (3096, 26430), (3440, 23787), (3524, 23220), (3870, 21144), (4405, 18576), (4644, 17620), (5160, 15858), (5286, 15480), (5805, 14096), (6192, 13215), (7048, 11610), (7740, 10572), (7929, 10320), (8810, 9288)]