72900000

素因数分解:

$2^5\times 3^6\times 5^5$

素因数の和:53

約数の個数: 252

約数和(自身を含む): 268963254

約数和(自身を除く): 196063254

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 120, 125, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 243, 250, 270, 288, 300, 324, 360, 375, 400, 405, 432, 450, 480, 486, 500, 540, 600, 625, 648, 675, 720, 729, 750, 800, 810, 864, 900, 972, 1000, 1080, 1125, 1200, 1215, 1250, 1296, 1350, 1440, 1458, 1500, 1620, 1800, 1875, 1944, 2000, 2025, 2160, 2250, 2400, 2430, 2500, 2592, 2700, 2916, 3000, 3125, 3240, 3375, 3600, 3645, 3750, 3888, 4000, 4050, 4320, 4500, 4860, 5000, 5400, 5625, 5832, 6000, 6075, 6250, 6480, 6750, 7200, 7290, 7500, 7776, 8100, 9000, 9375, 9720, 10000, 10125, 10800, 11250, 11664, 12000, 12150, 12500, 12960, 13500, 14580, 15000, 16200, 16875, 18000, 18225, 18750, 19440, 20000, 20250, 21600, 22500, 23328, 24300, 25000, 27000, 28125, 29160, 30000, 30375, 32400, 33750, 36000, 36450, 37500, 38880, 40500, 45000, 48600, 50000, 50625, 54000, 56250, 58320, 60000, 60750, 64800, 67500, 72900, 75000, 81000, 84375, 90000, 91125, 97200, 100000, 101250, 108000, 112500, 116640, 121500, 135000, 145800, 150000, 151875, 162000, 168750, 180000, 182250, 194400, 202500, 225000, 243000, 253125, 270000, 291600, 300000, 303750, 324000, 337500, 364500, 405000, 450000, 455625, 486000, 506250, 540000, 583200, 607500, 675000, 729000, 759375, 810000, 900000, 911250, 972000, 1012500, 1215000, 1350000, 1458000, 1518750, 1620000, 1822500, 2025000, 2278125, 2430000, 2700000, 2916000, 3037500, 3645000, 4050000, 4556250, 4860000, 6075000, 7290000, 8100000, 9112500, 12150000, 14580000, 18225000, 24300000, 36450000, 72900000]

約数ペア:

[(1, 72900000), (2, 36450000), (3, 24300000), (4, 18225000), (5, 14580000), (6, 12150000), (8, 9112500), (9, 8100000), (10, 7290000), (12, 6075000), (15, 4860000), (16, 4556250), (18, 4050000), (20, 3645000), (24, 3037500), (25, 2916000), (27, 2700000), (30, 2430000), (32, 2278125), (36, 2025000), (40, 1822500), (45, 1620000), (48, 1518750), (50, 1458000), (54, 1350000), (60, 1215000), (72, 1012500), (75, 972000), (80, 911250), (81, 900000), (90, 810000), (96, 759375), (100, 729000), (108, 675000), (120, 607500), (125, 583200), (135, 540000), (144, 506250), (150, 486000), (160, 455625), (162, 450000), (180, 405000), (200, 364500), (216, 337500), (225, 324000), (240, 303750), (243, 300000), (250, 291600), (270, 270000), (288, 253125), (300, 243000), (324, 225000), (360, 202500), (375, 194400), (400, 182250), (405, 180000), (432, 168750), (450, 162000), (480, 151875), (486, 150000), (500, 145800), (540, 135000), (600, 121500), (625, 116640), (648, 112500), (675, 108000), (720, 101250), (729, 100000), (750, 97200), (800, 91125), (810, 90000), (864, 84375), (900, 81000), (972, 75000), (1000, 72900), (1080, 67500), (1125, 64800), (1200, 60750), (1215, 60000), (1250, 58320), (1296, 56250), (1350, 54000), (1440, 50625), (1458, 50000), (1500, 48600), (1620, 45000), (1800, 40500), (1875, 38880), (1944, 37500), (2000, 36450), (2025, 36000), (2160, 33750), (2250, 32400), (2400, 30375), (2430, 30000), (2500, 29160), (2592, 28125), (2700, 27000), (2916, 25000), (3000, 24300), (3125, 23328), (3240, 22500), (3375, 21600), (3600, 20250), (3645, 20000), (3750, 19440), (3888, 18750), (4000, 18225), (4050, 18000), (4320, 16875), (4500, 16200), (4860, 15000), (5000, 14580), (5400, 13500), (5625, 12960), (5832, 12500), (6000, 12150), (6075, 12000), (6250, 11664), (6480, 11250), (6750, 10800), (7200, 10125), (7290, 10000), (7500, 9720), (7776, 9375), (8100, 9000)]