2520000

素因数分解:

$2^6\times 3^2\times 5^4\times 7^1$

素因数の和:45

約数の個数: 210

約数和(自身を含む): 10315448

約数和(自身を除く): 7795448

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, 64, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 125, 126, 140, 144, 150, 160, 168, 175, 180, 192, 200, 210, 224, 225, 240, 250, 252, 280, 288, 300, 315, 320, 336, 350, 360, 375, 400, 420, 448, 450, 480, 500, 504, 525, 560, 576, 600, 625, 630, 672, 700, 720, 750, 800, 840, 875, 900, 960, 1000, 1008, 1050, 1120, 1125, 1200, 1250, 1260, 1344, 1400, 1440, 1500, 1575, 1600, 1680, 1750, 1800, 1875, 2000, 2016, 2100, 2240, 2250, 2400, 2500, 2520, 2625, 2800, 2880, 3000, 3150, 3360, 3500, 3600, 3750, 4000, 4032, 4200, 4375, 4500, 4800, 5000, 5040, 5250, 5600, 5625, 6000, 6300, 6720, 7000, 7200, 7500, 7875, 8000, 8400, 8750, 9000, 10000, 10080, 10500, 11200, 11250, 12000, 12600, 13125, 14000, 14400, 15000, 15750, 16800, 17500, 18000, 20000, 20160, 21000, 22500, 24000, 25200, 26250, 28000, 30000, 31500, 33600, 35000, 36000, 39375, 40000, 42000, 45000, 50400, 52500, 56000, 60000, 63000, 70000, 72000, 78750, 84000, 90000, 100800, 105000, 120000, 126000, 140000, 157500, 168000, 180000, 210000, 252000, 280000, 315000, 360000, 420000, 504000, 630000, 840000, 1260000, 2520000]

約数ペア:

[(1, 2520000), (2, 1260000), (3, 840000), (4, 630000), (5, 504000), (6, 420000), (7, 360000), (8, 315000), (9, 280000), (10, 252000), (12, 210000), (14, 180000), (15, 168000), (16, 157500), (18, 140000), (20, 126000), (21, 120000), (24, 105000), (25, 100800), (28, 90000), (30, 84000), (32, 78750), (35, 72000), (36, 70000), (40, 63000), (42, 60000), (45, 56000), (48, 52500), (50, 50400), (56, 45000), (60, 42000), (63, 40000), (64, 39375), (70, 36000), (72, 35000), (75, 33600), (80, 31500), (84, 30000), (90, 28000), (96, 26250), (100, 25200), (105, 24000), (112, 22500), (120, 21000), (125, 20160), (126, 20000), (140, 18000), (144, 17500), (150, 16800), (160, 15750), (168, 15000), (175, 14400), (180, 14000), (192, 13125), (200, 12600), (210, 12000), (224, 11250), (225, 11200), (240, 10500), (250, 10080), (252, 10000), (280, 9000), (288, 8750), (300, 8400), (315, 8000), (320, 7875), (336, 7500), (350, 7200), (360, 7000), (375, 6720), (400, 6300), (420, 6000), (448, 5625), (450, 5600), (480, 5250), (500, 5040), (504, 5000), (525, 4800), (560, 4500), (576, 4375), (600, 4200), (625, 4032), (630, 4000), (672, 3750), (700, 3600), (720, 3500), (750, 3360), (800, 3150), (840, 3000), (875, 2880), (900, 2800), (960, 2625), (1000, 2520), (1008, 2500), (1050, 2400), (1120, 2250), (1125, 2240), (1200, 2100), (1250, 2016), (1260, 2000), (1344, 1875), (1400, 1800), (1440, 1750), (1500, 1680), (1575, 1600)]