1350000

素因数分解:

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

素因数の和:42

約数の個数: 120

約数和(自身を含む): 4843440

約数和(自身を除く): 3493440

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, 90, 100, 108, 120, 125, 135, 144, 150, 180, 200, 216, 225, 240, 250, 270, 300, 360, 375, 400, 432, 450, 500, 540, 600, 625, 675, 720, 750, 900, 1000, 1080, 1125, 1200, 1250, 1350, 1500, 1800, 1875, 2000, 2160, 2250, 2500, 2700, 3000, 3125, 3375, 3600, 3750, 4500, 5000, 5400, 5625, 6000, 6250, 6750, 7500, 9000, 9375, 10000, 10800, 11250, 12500, 13500, 15000, 16875, 18000, 18750, 22500, 25000, 27000, 28125, 30000, 33750, 37500, 45000, 50000, 54000, 56250, 67500, 75000, 84375, 90000, 112500, 135000, 150000, 168750, 225000, 270000, 337500, 450000, 675000, 1350000]

約数ペア:

[(1, 1350000), (2, 675000), (3, 450000), (4, 337500), (5, 270000), (6, 225000), (8, 168750), (9, 150000), (10, 135000), (12, 112500), (15, 90000), (16, 84375), (18, 75000), (20, 67500), (24, 56250), (25, 54000), (27, 50000), (30, 45000), (36, 37500), (40, 33750), (45, 30000), (48, 28125), (50, 27000), (54, 25000), (60, 22500), (72, 18750), (75, 18000), (80, 16875), (90, 15000), (100, 13500), (108, 12500), (120, 11250), (125, 10800), (135, 10000), (144, 9375), (150, 9000), (180, 7500), (200, 6750), (216, 6250), (225, 6000), (240, 5625), (250, 5400), (270, 5000), (300, 4500), (360, 3750), (375, 3600), (400, 3375), (432, 3125), (450, 3000), (500, 2700), (540, 2500), (600, 2250), (625, 2160), (675, 2000), (720, 1875), (750, 1800), (900, 1500), (1000, 1350), (1080, 1250), (1125, 1200)]