1680000

素因数分解:

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

素因数の和:44

約数の個数: 160

約数和(自身を含む): 6372960

約数和(自身を除く): 4692960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 128, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 250, 280, 300, 320, 336, 350, 375, 384, 400, 420, 448, 480, 500, 525, 560, 600, 625, 640, 672, 700, 750, 800, 840, 875, 896, 960, 1000, 1050, 1120, 1200, 1250, 1344, 1400, 1500, 1600, 1680, 1750, 1875, 1920, 2000, 2100, 2240, 2400, 2500, 2625, 2688, 2800, 3000, 3200, 3360, 3500, 3750, 4000, 4200, 4375, 4480, 4800, 5000, 5250, 5600, 6000, 6720, 7000, 7500, 8000, 8400, 8750, 9600, 10000, 10500, 11200, 12000, 13125, 13440, 14000, 15000, 16000, 16800, 17500, 20000, 21000, 22400, 24000, 26250, 28000, 30000, 33600, 35000, 40000, 42000, 48000, 52500, 56000, 60000, 67200, 70000, 80000, 84000, 105000, 112000, 120000, 140000, 168000, 210000, 240000, 280000, 336000, 420000, 560000, 840000, 1680000]

約数ペア:

[(1, 1680000), (2, 840000), (3, 560000), (4, 420000), (5, 336000), (6, 280000), (7, 240000), (8, 210000), (10, 168000), (12, 140000), (14, 120000), (15, 112000), (16, 105000), (20, 84000), (21, 80000), (24, 70000), (25, 67200), (28, 60000), (30, 56000), (32, 52500), (35, 48000), (40, 42000), (42, 40000), (48, 35000), (50, 33600), (56, 30000), (60, 28000), (64, 26250), (70, 24000), (75, 22400), (80, 21000), (84, 20000), (96, 17500), (100, 16800), (105, 16000), (112, 15000), (120, 14000), (125, 13440), (128, 13125), (140, 12000), (150, 11200), (160, 10500), (168, 10000), (175, 9600), (192, 8750), (200, 8400), (210, 8000), (224, 7500), (240, 7000), (250, 6720), (280, 6000), (300, 5600), (320, 5250), (336, 5000), (350, 4800), (375, 4480), (384, 4375), (400, 4200), (420, 4000), (448, 3750), (480, 3500), (500, 3360), (525, 3200), (560, 3000), (600, 2800), (625, 2688), (640, 2625), (672, 2500), (700, 2400), (750, 2240), (800, 2100), (840, 2000), (875, 1920), (896, 1875), (960, 1750), (1000, 1680), (1050, 1600), (1120, 1500), (1200, 1400), (1250, 1344)]