18225000

素因数分解:

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

素因数の和:49

約数の個数: 168

約数和(自身を含む): 64038870

約数和(自身を除く): 45813870

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 125, 135, 150, 162, 180, 200, 216, 225, 243, 250, 270, 300, 324, 360, 375, 405, 450, 486, 500, 540, 600, 625, 648, 675, 729, 750, 810, 900, 972, 1000, 1080, 1125, 1215, 1250, 1350, 1458, 1500, 1620, 1800, 1875, 1944, 2025, 2250, 2430, 2500, 2700, 2916, 3000, 3125, 3240, 3375, 3645, 3750, 4050, 4500, 4860, 5000, 5400, 5625, 5832, 6075, 6250, 6750, 7290, 7500, 8100, 9000, 9375, 9720, 10125, 11250, 12150, 12500, 13500, 14580, 15000, 16200, 16875, 18225, 18750, 20250, 22500, 24300, 25000, 27000, 28125, 29160, 30375, 33750, 36450, 37500, 40500, 45000, 48600, 50625, 56250, 60750, 67500, 72900, 75000, 81000, 84375, 91125, 101250, 112500, 121500, 135000, 145800, 151875, 168750, 182250, 202500, 225000, 243000, 253125, 303750, 337500, 364500, 405000, 455625, 506250, 607500, 675000, 729000, 759375, 911250, 1012500, 1215000, 1518750, 1822500, 2025000, 2278125, 3037500, 3645000, 4556250, 6075000, 9112500, 18225000]

約数ペア:

[(1, 18225000), (2, 9112500), (3, 6075000), (4, 4556250), (5, 3645000), (6, 3037500), (8, 2278125), (9, 2025000), (10, 1822500), (12, 1518750), (15, 1215000), (18, 1012500), (20, 911250), (24, 759375), (25, 729000), (27, 675000), (30, 607500), (36, 506250), (40, 455625), (45, 405000), (50, 364500), (54, 337500), (60, 303750), (72, 253125), (75, 243000), (81, 225000), (90, 202500), (100, 182250), (108, 168750), (120, 151875), (125, 145800), (135, 135000), (150, 121500), (162, 112500), (180, 101250), (200, 91125), (216, 84375), (225, 81000), (243, 75000), (250, 72900), (270, 67500), (300, 60750), (324, 56250), (360, 50625), (375, 48600), (405, 45000), (450, 40500), (486, 37500), (500, 36450), (540, 33750), (600, 30375), (625, 29160), (648, 28125), (675, 27000), (729, 25000), (750, 24300), (810, 22500), (900, 20250), (972, 18750), (1000, 18225), (1080, 16875), (1125, 16200), (1215, 15000), (1250, 14580), (1350, 13500), (1458, 12500), (1500, 12150), (1620, 11250), (1800, 10125), (1875, 9720), (1944, 9375), (2025, 9000), (2250, 8100), (2430, 7500), (2500, 7290), (2700, 6750), (2916, 6250), (3000, 6075), (3125, 5832), (3240, 5625), (3375, 5400), (3645, 5000), (3750, 4860), (4050, 4500)]