25200000

素因数分解:

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

素因数の和:52

約数の個数: 288

約数和(自身を含む): 103587120

約数和(自身を除く): 78387120

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, 128, 140, 144, 150, 160, 168, 175, 180, 192, 200, 210, 224, 225, 240, 250, 252, 280, 288, 300, 315, 320, 336, 350, 360, 375, 384, 400, 420, 448, 450, 480, 500, 504, 525, 560, 576, 600, 625, 630, 640, 672, 700, 720, 750, 800, 840, 875, 896, 900, 960, 1000, 1008, 1050, 1120, 1125, 1152, 1200, 1250, 1260, 1344, 1400, 1440, 1500, 1575, 1600, 1680, 1750, 1800, 1875, 1920, 2000, 2016, 2100, 2240, 2250, 2400, 2500, 2520, 2625, 2688, 2800, 2880, 3000, 3125, 3150, 3200, 3360, 3500, 3600, 3750, 4000, 4032, 4200, 4375, 4480, 4500, 4800, 5000, 5040, 5250, 5600, 5625, 5760, 6000, 6250, 6300, 6720, 7000, 7200, 7500, 7875, 8000, 8064, 8400, 8750, 9000, 9375, 9600, 10000, 10080, 10500, 11200, 11250, 12000, 12500, 12600, 13125, 13440, 14000, 14400, 15000, 15750, 16000, 16800, 17500, 18000, 18750, 20000, 20160, 21000, 21875, 22400, 22500, 24000, 25000, 25200, 26250, 28000, 28125, 28800, 30000, 31500, 33600, 35000, 36000, 37500, 39375, 40000, 40320, 42000, 43750, 45000, 48000, 50000, 50400, 52500, 56000, 56250, 60000, 63000, 65625, 67200, 70000, 72000, 75000, 78750, 80000, 84000, 87500, 90000, 100000, 100800, 105000, 112000, 112500, 120000, 126000, 131250, 140000, 144000, 150000, 157500, 168000, 175000, 180000, 196875, 200000, 201600, 210000, 225000, 240000, 252000, 262500, 280000, 300000, 315000, 336000, 350000, 360000, 393750, 400000, 420000, 450000, 504000, 525000, 560000, 600000, 630000, 700000, 720000, 787500, 840000, 900000, 1008000, 1050000, 1200000, 1260000, 1400000, 1575000, 1680000, 1800000, 2100000, 2520000, 2800000, 3150000, 3600000, 4200000, 5040000, 6300000, 8400000, 12600000, 25200000]

約数ペア:

[(1, 25200000), (2, 12600000), (3, 8400000), (4, 6300000), (5, 5040000), (6, 4200000), (7, 3600000), (8, 3150000), (9, 2800000), (10, 2520000), (12, 2100000), (14, 1800000), (15, 1680000), (16, 1575000), (18, 1400000), (20, 1260000), (21, 1200000), (24, 1050000), (25, 1008000), (28, 900000), (30, 840000), (32, 787500), (35, 720000), (36, 700000), (40, 630000), (42, 600000), (45, 560000), (48, 525000), (50, 504000), (56, 450000), (60, 420000), (63, 400000), (64, 393750), (70, 360000), (72, 350000), (75, 336000), (80, 315000), (84, 300000), (90, 280000), (96, 262500), (100, 252000), (105, 240000), (112, 225000), (120, 210000), (125, 201600), (126, 200000), (128, 196875), (140, 180000), (144, 175000), (150, 168000), (160, 157500), (168, 150000), (175, 144000), (180, 140000), (192, 131250), (200, 126000), (210, 120000), (224, 112500), (225, 112000), (240, 105000), (250, 100800), (252, 100000), (280, 90000), (288, 87500), (300, 84000), (315, 80000), (320, 78750), (336, 75000), (350, 72000), (360, 70000), (375, 67200), (384, 65625), (400, 63000), (420, 60000), (448, 56250), (450, 56000), (480, 52500), (500, 50400), (504, 50000), (525, 48000), (560, 45000), (576, 43750), (600, 42000), (625, 40320), (630, 40000), (640, 39375), (672, 37500), (700, 36000), (720, 35000), (750, 33600), (800, 31500), (840, 30000), (875, 28800), (896, 28125), (900, 28000), (960, 26250), (1000, 25200), (1008, 25000), (1050, 24000), (1120, 22500), (1125, 22400), (1152, 21875), (1200, 21000), (1250, 20160), (1260, 20000), (1344, 18750), (1400, 18000), (1440, 17500), (1500, 16800), (1575, 16000), (1600, 15750), (1680, 15000), (1750, 14400), (1800, 14000), (1875, 13440), (1920, 13125), (2000, 12600), (2016, 12500), (2100, 12000), (2240, 11250), (2250, 11200), (2400, 10500), (2500, 10080), (2520, 10000), (2625, 9600), (2688, 9375), (2800, 9000), (2880, 8750), (3000, 8400), (3125, 8064), (3150, 8000), (3200, 7875), (3360, 7500), (3500, 7200), (3600, 7000), (3750, 6720), (4000, 6300), (4032, 6250), (4200, 6000), (4375, 5760), (4480, 5625), (4500, 5600), (4800, 5250), (5000, 5040)]