81810000

素因数分解:

$2^4\times 3^4\times 5^4\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 250

約数和(自身を含む): 298812162

約数和(自身を除く): 217002162

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 100, 101, 108, 120, 125, 135, 144, 150, 162, 180, 200, 202, 216, 225, 240, 250, 270, 300, 303, 324, 360, 375, 400, 404, 405, 432, 450, 500, 505, 540, 600, 606, 625, 648, 675, 720, 750, 808, 810, 900, 909, 1000, 1010, 1080, 1125, 1200, 1212, 1250, 1296, 1350, 1500, 1515, 1616, 1620, 1800, 1818, 1875, 2000, 2020, 2025, 2160, 2250, 2424, 2500, 2525, 2700, 2727, 3000, 3030, 3240, 3375, 3600, 3636, 3750, 4040, 4050, 4500, 4545, 4848, 5000, 5050, 5400, 5454, 5625, 6000, 6060, 6480, 6750, 7272, 7500, 7575, 8080, 8100, 8181, 9000, 9090, 10000, 10100, 10125, 10800, 10908, 11250, 12120, 12625, 13500, 13635, 14544, 15000, 15150, 16200, 16362, 16875, 18000, 18180, 20200, 20250, 21816, 22500, 22725, 24240, 25250, 27000, 27270, 30000, 30300, 32400, 32724, 33750, 36360, 37875, 40400, 40500, 40905, 43632, 45000, 45450, 50500, 50625, 54000, 54540, 60600, 63125, 65448, 67500, 68175, 72720, 75750, 81000, 81810, 90000, 90900, 101000, 101250, 109080, 113625, 121200, 126250, 130896, 135000, 136350, 151500, 162000, 163620, 181800, 189375, 202000, 202500, 204525, 218160, 227250, 252500, 270000, 272700, 303000, 327240, 340875, 363600, 378750, 405000, 409050, 454500, 505000, 545400, 568125, 606000, 654480, 681750, 757500, 810000, 818100, 909000, 1010000, 1022625, 1090800, 1136250, 1363500, 1515000, 1636200, 1704375, 1818000, 2045250, 2272500, 2727000, 3030000, 3272400, 3408750, 4090500, 4545000, 5113125, 5454000, 6817500, 8181000, 9090000, 10226250, 13635000, 16362000, 20452500, 27270000, 40905000, 81810000]

約数ペア:

[(1, 81810000), (2, 40905000), (3, 27270000), (4, 20452500), (5, 16362000), (6, 13635000), (8, 10226250), (9, 9090000), (10, 8181000), (12, 6817500), (15, 5454000), (16, 5113125), (18, 4545000), (20, 4090500), (24, 3408750), (25, 3272400), (27, 3030000), (30, 2727000), (36, 2272500), (40, 2045250), (45, 1818000), (48, 1704375), (50, 1636200), (54, 1515000), (60, 1363500), (72, 1136250), (75, 1090800), (80, 1022625), (81, 1010000), (90, 909000), (100, 818100), (101, 810000), (108, 757500), (120, 681750), (125, 654480), (135, 606000), (144, 568125), (150, 545400), (162, 505000), (180, 454500), (200, 409050), (202, 405000), (216, 378750), (225, 363600), (240, 340875), (250, 327240), (270, 303000), (300, 272700), (303, 270000), (324, 252500), (360, 227250), (375, 218160), (400, 204525), (404, 202500), (405, 202000), (432, 189375), (450, 181800), (500, 163620), (505, 162000), (540, 151500), (600, 136350), (606, 135000), (625, 130896), (648, 126250), (675, 121200), (720, 113625), (750, 109080), (808, 101250), (810, 101000), (900, 90900), (909, 90000), (1000, 81810), (1010, 81000), (1080, 75750), (1125, 72720), (1200, 68175), (1212, 67500), (1250, 65448), (1296, 63125), (1350, 60600), (1500, 54540), (1515, 54000), (1616, 50625), (1620, 50500), (1800, 45450), (1818, 45000), (1875, 43632), (2000, 40905), (2020, 40500), (2025, 40400), (2160, 37875), (2250, 36360), (2424, 33750), (2500, 32724), (2525, 32400), (2700, 30300), (2727, 30000), (3000, 27270), (3030, 27000), (3240, 25250), (3375, 24240), (3600, 22725), (3636, 22500), (3750, 21816), (4040, 20250), (4050, 20200), (4500, 18180), (4545, 18000), (4848, 16875), (5000, 16362), (5050, 16200), (5400, 15150), (5454, 15000), (5625, 14544), (6000, 13635), (6060, 13500), (6480, 12625), (6750, 12120), (7272, 11250), (7500, 10908), (7575, 10800), (8080, 10125), (8100, 10100), (8181, 10000), (9000, 9090)]