81154500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 192

約数和(自身を含む): 276756480

約数和(自身を除く): 195601980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 59, 60, 70, 75, 84, 100, 105, 118, 125, 131, 140, 150, 175, 177, 210, 236, 250, 262, 295, 300, 350, 354, 375, 393, 413, 420, 500, 524, 525, 590, 655, 700, 708, 750, 786, 826, 875, 885, 917, 1050, 1180, 1239, 1310, 1475, 1500, 1572, 1652, 1750, 1770, 1834, 1965, 2065, 2100, 2478, 2620, 2625, 2751, 2950, 3275, 3500, 3540, 3668, 3930, 4130, 4425, 4585, 4956, 5250, 5502, 5900, 6195, 6550, 7375, 7729, 7860, 8260, 8850, 9170, 9825, 10325, 10500, 11004, 12390, 13100, 13755, 14750, 15458, 16375, 17700, 18340, 19650, 20650, 22125, 22925, 23187, 24780, 27510, 29500, 30916, 30975, 32750, 38645, 39300, 41300, 44250, 45850, 46374, 49125, 51625, 54103, 55020, 61950, 65500, 68775, 77290, 88500, 91700, 92748, 98250, 103250, 108206, 114625, 115935, 123900, 137550, 154580, 154875, 162309, 193225, 196500, 206500, 216412, 229250, 231870, 270515, 275100, 309750, 324618, 343875, 386450, 458500, 463740, 541030, 579675, 619500, 649236, 687750, 772900, 811545, 966125, 1082060, 1159350, 1352575, 1375500, 1623090, 1932250, 2318700, 2705150, 2898375, 3246180, 3864500, 4057725, 5410300, 5796750, 6762875, 8115450, 11593500, 13525750, 16230900, 20288625, 27051500, 40577250, 81154500]

約数ペア:

[(1, 81154500), (2, 40577250), (3, 27051500), (4, 20288625), (5, 16230900), (6, 13525750), (7, 11593500), (10, 8115450), (12, 6762875), (14, 5796750), (15, 5410300), (20, 4057725), (21, 3864500), (25, 3246180), (28, 2898375), (30, 2705150), (35, 2318700), (42, 1932250), (50, 1623090), (59, 1375500), (60, 1352575), (70, 1159350), (75, 1082060), (84, 966125), (100, 811545), (105, 772900), (118, 687750), (125, 649236), (131, 619500), (140, 579675), (150, 541030), (175, 463740), (177, 458500), (210, 386450), (236, 343875), (250, 324618), (262, 309750), (295, 275100), (300, 270515), (350, 231870), (354, 229250), (375, 216412), (393, 206500), (413, 196500), (420, 193225), (500, 162309), (524, 154875), (525, 154580), (590, 137550), (655, 123900), (700, 115935), (708, 114625), (750, 108206), (786, 103250), (826, 98250), (875, 92748), (885, 91700), (917, 88500), (1050, 77290), (1180, 68775), (1239, 65500), (1310, 61950), (1475, 55020), (1500, 54103), (1572, 51625), (1652, 49125), (1750, 46374), (1770, 45850), (1834, 44250), (1965, 41300), (2065, 39300), (2100, 38645), (2478, 32750), (2620, 30975), (2625, 30916), (2751, 29500), (2950, 27510), (3275, 24780), (3500, 23187), (3540, 22925), (3668, 22125), (3930, 20650), (4130, 19650), (4425, 18340), (4585, 17700), (4956, 16375), (5250, 15458), (5502, 14750), (5900, 13755), (6195, 13100), (6550, 12390), (7375, 11004), (7729, 10500), (7860, 10325), (8260, 9825), (8850, 9170)]