81404400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:920

約数の個数: 240

約数和(自身を含む): 325479168

約数和(自身を除く): 244074768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 48, 50, 55, 56, 60, 66, 70, 75, 77, 80, 84, 88, 100, 105, 110, 112, 120, 132, 140, 150, 154, 165, 168, 175, 176, 200, 210, 220, 231, 240, 264, 275, 280, 300, 308, 330, 336, 350, 385, 400, 420, 440, 462, 525, 528, 550, 560, 600, 616, 660, 700, 770, 825, 840, 880, 881, 924, 1050, 1100, 1155, 1200, 1232, 1320, 1400, 1540, 1650, 1680, 1762, 1848, 1925, 2100, 2200, 2310, 2640, 2643, 2800, 3080, 3300, 3524, 3696, 3850, 4200, 4400, 4405, 4620, 5286, 5775, 6160, 6167, 6600, 7048, 7700, 8400, 8810, 9240, 9691, 10572, 11550, 12334, 13200, 13215, 14096, 15400, 17620, 18480, 18501, 19382, 21144, 22025, 23100, 24668, 26430, 29073, 30800, 30835, 35240, 37002, 38764, 42288, 44050, 46200, 48455, 49336, 52860, 58146, 61670, 66075, 67837, 70480, 74004, 77528, 88100, 92400, 92505, 96910, 98672, 105720, 116292, 123340, 132150, 135674, 145365, 148008, 154175, 155056, 176200, 185010, 193820, 203511, 211440, 232584, 242275, 246680, 264300, 271348, 290730, 296016, 308350, 339185, 352400, 370020, 387640, 407022, 462525, 465168, 484550, 493360, 528600, 542696, 581460, 616700, 678370, 726825, 740040, 775280, 814044, 925050, 969100, 1017555, 1057200, 1085392, 1162920, 1233400, 1356740, 1453650, 1480080, 1628088, 1695925, 1850100, 1938200, 2035110, 2325840, 2466800, 2713480, 2907300, 3256176, 3391850, 3700200, 3876400, 4070220, 5087775, 5426960, 5814600, 6783700, 7400400, 8140440, 10175550, 11629200, 13567400, 16280880, 20351100, 27134800, 40702200, 81404400]

約数ペア:

[(1, 81404400), (2, 40702200), (3, 27134800), (4, 20351100), (5, 16280880), (6, 13567400), (7, 11629200), (8, 10175550), (10, 8140440), (11, 7400400), (12, 6783700), (14, 5814600), (15, 5426960), (16, 5087775), (20, 4070220), (21, 3876400), (22, 3700200), (24, 3391850), (25, 3256176), (28, 2907300), (30, 2713480), (33, 2466800), (35, 2325840), (40, 2035110), (42, 1938200), (44, 1850100), (48, 1695925), (50, 1628088), (55, 1480080), (56, 1453650), (60, 1356740), (66, 1233400), (70, 1162920), (75, 1085392), (77, 1057200), (80, 1017555), (84, 969100), (88, 925050), (100, 814044), (105, 775280), (110, 740040), (112, 726825), (120, 678370), (132, 616700), (140, 581460), (150, 542696), (154, 528600), (165, 493360), (168, 484550), (175, 465168), (176, 462525), (200, 407022), (210, 387640), (220, 370020), (231, 352400), (240, 339185), (264, 308350), (275, 296016), (280, 290730), (300, 271348), (308, 264300), (330, 246680), (336, 242275), (350, 232584), (385, 211440), (400, 203511), (420, 193820), (440, 185010), (462, 176200), (525, 155056), (528, 154175), (550, 148008), (560, 145365), (600, 135674), (616, 132150), (660, 123340), (700, 116292), (770, 105720), (825, 98672), (840, 96910), (880, 92505), (881, 92400), (924, 88100), (1050, 77528), (1100, 74004), (1155, 70480), (1200, 67837), (1232, 66075), (1320, 61670), (1400, 58146), (1540, 52860), (1650, 49336), (1680, 48455), (1762, 46200), (1848, 44050), (1925, 42288), (2100, 38764), (2200, 37002), (2310, 35240), (2640, 30835), (2643, 30800), (2800, 29073), (3080, 26430), (3300, 24668), (3524, 23100), (3696, 22025), (3850, 21144), (4200, 19382), (4400, 18501), (4405, 18480), (4620, 17620), (5286, 15400), (5775, 14096), (6160, 13215), (6167, 13200), (6600, 12334), (7048, 11550), (7700, 10572), (8400, 9691), (8810, 9240)]