1260000

素因数分解:

$2^5\times 3^2\times 5^4\times 7^1$

素因数の和:43

約数の個数: 180

約数和(自身を含む): 5117112

約数和(自身を除く): 3857112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 125, 126, 140, 144, 150, 160, 168, 175, 180, 200, 210, 224, 225, 240, 250, 252, 280, 288, 300, 315, 336, 350, 360, 375, 400, 420, 450, 480, 500, 504, 525, 560, 600, 625, 630, 672, 700, 720, 750, 800, 840, 875, 900, 1000, 1008, 1050, 1120, 1125, 1200, 1250, 1260, 1400, 1440, 1500, 1575, 1680, 1750, 1800, 1875, 2000, 2016, 2100, 2250, 2400, 2500, 2520, 2625, 2800, 3000, 3150, 3360, 3500, 3600, 3750, 4000, 4200, 4375, 4500, 5000, 5040, 5250, 5600, 5625, 6000, 6300, 7000, 7200, 7500, 7875, 8400, 8750, 9000, 10000, 10080, 10500, 11250, 12000, 12600, 13125, 14000, 15000, 15750, 16800, 17500, 18000, 20000, 21000, 22500, 25200, 26250, 28000, 30000, 31500, 35000, 36000, 39375, 42000, 45000, 50400, 52500, 60000, 63000, 70000, 78750, 84000, 90000, 105000, 126000, 140000, 157500, 180000, 210000, 252000, 315000, 420000, 630000, 1260000]

約数ペア:

[(1, 1260000), (2, 630000), (3, 420000), (4, 315000), (5, 252000), (6, 210000), (7, 180000), (8, 157500), (9, 140000), (10, 126000), (12, 105000), (14, 90000), (15, 84000), (16, 78750), (18, 70000), (20, 63000), (21, 60000), (24, 52500), (25, 50400), (28, 45000), (30, 42000), (32, 39375), (35, 36000), (36, 35000), (40, 31500), (42, 30000), (45, 28000), (48, 26250), (50, 25200), (56, 22500), (60, 21000), (63, 20000), (70, 18000), (72, 17500), (75, 16800), (80, 15750), (84, 15000), (90, 14000), (96, 13125), (100, 12600), (105, 12000), (112, 11250), (120, 10500), (125, 10080), (126, 10000), (140, 9000), (144, 8750), (150, 8400), (160, 7875), (168, 7500), (175, 7200), (180, 7000), (200, 6300), (210, 6000), (224, 5625), (225, 5600), (240, 5250), (250, 5040), (252, 5000), (280, 4500), (288, 4375), (300, 4200), (315, 4000), (336, 3750), (350, 3600), (360, 3500), (375, 3360), (400, 3150), (420, 3000), (450, 2800), (480, 2625), (500, 2520), (504, 2500), (525, 2400), (560, 2250), (600, 2100), (625, 2016), (630, 2000), (672, 1875), (700, 1800), (720, 1750), (750, 1680), (800, 1575), (840, 1500), (875, 1440), (900, 1400), (1000, 1260), (1008, 1250), (1050, 1200), (1120, 1125)]