2025000

素因数分解:

$2^3\times 3^4\times 5^5$

素因数の和:43

約数の個数: 120

約数和(自身を含む): 7089390

約数和(自身を除く): 5064390

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, 250, 270, 300, 324, 360, 375, 405, 450, 500, 540, 600, 625, 648, 675, 750, 810, 900, 1000, 1080, 1125, 1250, 1350, 1500, 1620, 1800, 1875, 2025, 2250, 2500, 2700, 3000, 3125, 3240, 3375, 3750, 4050, 4500, 5000, 5400, 5625, 6250, 6750, 7500, 8100, 9000, 9375, 10125, 11250, 12500, 13500, 15000, 16200, 16875, 18750, 20250, 22500, 25000, 27000, 28125, 33750, 37500, 40500, 45000, 50625, 56250, 67500, 75000, 81000, 84375, 101250, 112500, 135000, 168750, 202500, 225000, 253125, 337500, 405000, 506250, 675000, 1012500, 2025000]

約数ペア:

[(1, 2025000), (2, 1012500), (3, 675000), (4, 506250), (5, 405000), (6, 337500), (8, 253125), (9, 225000), (10, 202500), (12, 168750), (15, 135000), (18, 112500), (20, 101250), (24, 84375), (25, 81000), (27, 75000), (30, 67500), (36, 56250), (40, 50625), (45, 45000), (50, 40500), (54, 37500), (60, 33750), (72, 28125), (75, 27000), (81, 25000), (90, 22500), (100, 20250), (108, 18750), (120, 16875), (125, 16200), (135, 15000), (150, 13500), (162, 12500), (180, 11250), (200, 10125), (216, 9375), (225, 9000), (250, 8100), (270, 7500), (300, 6750), (324, 6250), (360, 5625), (375, 5400), (405, 5000), (450, 4500), (500, 4050), (540, 3750), (600, 3375), (625, 3240), (648, 3125), (675, 3000), (750, 2700), (810, 2500), (900, 2250), (1000, 2025), (1080, 1875), (1125, 1800), (1250, 1620), (1350, 1500)]