16800000

素因数分解:

$2^8\times 3^1\times 5^5\times 7^1$

素因数の和:51

約数の個数: 216

約数和(自身を含む): 63870912

約数和(自身を除く): 47070912

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, 256, 280, 300, 320, 336, 350, 375, 384, 400, 420, 448, 480, 500, 525, 560, 600, 625, 640, 672, 700, 750, 768, 800, 840, 875, 896, 960, 1000, 1050, 1120, 1200, 1250, 1280, 1344, 1400, 1500, 1600, 1680, 1750, 1792, 1875, 1920, 2000, 2100, 2240, 2400, 2500, 2625, 2688, 2800, 3000, 3125, 3200, 3360, 3500, 3750, 3840, 4000, 4200, 4375, 4480, 4800, 5000, 5250, 5376, 5600, 6000, 6250, 6400, 6720, 7000, 7500, 8000, 8400, 8750, 8960, 9375, 9600, 10000, 10500, 11200, 12000, 12500, 13125, 13440, 14000, 15000, 16000, 16800, 17500, 18750, 19200, 20000, 21000, 21875, 22400, 24000, 25000, 26250, 26880, 28000, 30000, 32000, 33600, 35000, 37500, 40000, 42000, 43750, 44800, 48000, 50000, 52500, 56000, 60000, 65625, 67200, 70000, 75000, 80000, 84000, 87500, 96000, 100000, 105000, 112000, 120000, 131250, 134400, 140000, 150000, 160000, 168000, 175000, 200000, 210000, 224000, 240000, 262500, 280000, 300000, 336000, 350000, 400000, 420000, 480000, 525000, 560000, 600000, 672000, 700000, 800000, 840000, 1050000, 1120000, 1200000, 1400000, 1680000, 2100000, 2400000, 2800000, 3360000, 4200000, 5600000, 8400000, 16800000]

約数ペア:

[(1, 16800000), (2, 8400000), (3, 5600000), (4, 4200000), (5, 3360000), (6, 2800000), (7, 2400000), (8, 2100000), (10, 1680000), (12, 1400000), (14, 1200000), (15, 1120000), (16, 1050000), (20, 840000), (21, 800000), (24, 700000), (25, 672000), (28, 600000), (30, 560000), (32, 525000), (35, 480000), (40, 420000), (42, 400000), (48, 350000), (50, 336000), (56, 300000), (60, 280000), (64, 262500), (70, 240000), (75, 224000), (80, 210000), (84, 200000), (96, 175000), (100, 168000), (105, 160000), (112, 150000), (120, 140000), (125, 134400), (128, 131250), (140, 120000), (150, 112000), (160, 105000), (168, 100000), (175, 96000), (192, 87500), (200, 84000), (210, 80000), (224, 75000), (240, 70000), (250, 67200), (256, 65625), (280, 60000), (300, 56000), (320, 52500), (336, 50000), (350, 48000), (375, 44800), (384, 43750), (400, 42000), (420, 40000), (448, 37500), (480, 35000), (500, 33600), (525, 32000), (560, 30000), (600, 28000), (625, 26880), (640, 26250), (672, 25000), (700, 24000), (750, 22400), (768, 21875), (800, 21000), (840, 20000), (875, 19200), (896, 18750), (960, 17500), (1000, 16800), (1050, 16000), (1120, 15000), (1200, 14000), (1250, 13440), (1280, 13125), (1344, 12500), (1400, 12000), (1500, 11200), (1600, 10500), (1680, 10000), (1750, 9600), (1792, 9375), (1875, 8960), (1920, 8750), (2000, 8400), (2100, 8000), (2240, 7500), (2400, 7000), (2500, 6720), (2625, 6400), (2688, 6250), (2800, 6000), (3000, 5600), (3125, 5376), (3200, 5250), (3360, 5000), (3500, 4800), (3750, 4480), (3840, 4375), (4000, 4200)]