1260000000

素因数分解:

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

素因数の和:64

約数の個数: 432

約数和(自身を含む): 5189830464

約数和(自身を除く): 3929830464

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, 256, 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, 768, 800, 840, 875, 896, 900, 960, 1000, 1008, 1050, 1120, 1125, 1152, 1200, 1250, 1260, 1280, 1344, 1400, 1440, 1500, 1575, 1600, 1680, 1750, 1792, 1800, 1875, 1920, 2000, 2016, 2100, 2240, 2250, 2304, 2400, 2500, 2520, 2625, 2688, 2800, 2880, 3000, 3125, 3150, 3200, 3360, 3500, 3600, 3750, 3840, 4000, 4032, 4200, 4375, 4480, 4500, 4800, 5000, 5040, 5250, 5376, 5600, 5625, 5760, 6000, 6250, 6300, 6400, 6720, 7000, 7200, 7500, 7875, 8000, 8064, 8400, 8750, 8960, 9000, 9375, 9600, 10000, 10080, 10500, 11200, 11250, 11520, 12000, 12500, 12600, 13125, 13440, 14000, 14400, 15000, 15625, 15750, 16000, 16128, 16800, 17500, 18000, 18750, 19200, 20000, 20160, 21000, 21875, 22400, 22500, 24000, 25000, 25200, 26250, 26880, 28000, 28125, 28800, 30000, 31250, 31500, 32000, 33600, 35000, 36000, 37500, 39375, 40000, 40320, 42000, 43750, 44800, 45000, 46875, 48000, 50000, 50400, 52500, 56000, 56250, 57600, 60000, 62500, 63000, 65625, 67200, 70000, 72000, 75000, 78125, 78750, 80000, 80640, 84000, 87500, 90000, 93750, 96000, 100000, 100800, 105000, 109375, 112000, 112500, 120000, 125000, 126000, 131250, 134400, 140000, 140625, 144000, 150000, 156250, 157500, 160000, 168000, 175000, 180000, 187500, 196875, 200000, 201600, 210000, 218750, 224000, 225000, 234375, 240000, 250000, 252000, 262500, 280000, 281250, 288000, 300000, 312500, 315000, 328125, 336000, 350000, 360000, 375000, 393750, 400000, 403200, 420000, 437500, 450000, 468750, 480000, 500000, 504000, 525000, 546875, 560000, 562500, 600000, 625000, 630000, 656250, 672000, 700000, 703125, 720000, 750000, 787500, 800000, 840000, 875000, 900000, 937500, 984375, 1000000, 1008000, 1050000, 1093750, 1120000, 1125000, 1200000, 1250000, 1260000, 1312500, 1400000, 1406250, 1440000, 1500000, 1575000, 1640625, 1680000, 1750000, 1800000, 1875000, 1968750, 2000000, 2016000, 2100000, 2187500, 2250000, 2400000, 2500000, 2520000, 2625000, 2800000, 2812500, 3000000, 3150000, 3281250, 3360000, 3500000, 3600000, 3750000, 3937500, 4000000, 4200000, 4375000, 4500000, 4921875, 5000000, 5040000, 5250000, 5600000, 5625000, 6000000, 6300000, 6562500, 7000000, 7200000, 7500000, 7875000, 8400000, 8750000, 9000000, 9843750, 10000000, 10080000, 10500000, 11250000, 12000000, 12600000, 13125000, 14000000, 15000000, 15750000, 16800000, 17500000, 18000000, 19687500, 20000000, 21000000, 22500000, 25200000, 26250000, 28000000, 30000000, 31500000, 35000000, 36000000, 39375000, 42000000, 45000000, 50400000, 52500000, 60000000, 63000000, 70000000, 78750000, 84000000, 90000000, 105000000, 126000000, 140000000, 157500000, 180000000, 210000000, 252000000, 315000000, 420000000, 630000000, 1260000000]

約数ペア:

[(1, 1260000000), (2, 630000000), (3, 420000000), (4, 315000000), (5, 252000000), (6, 210000000), (7, 180000000), (8, 157500000), (9, 140000000), (10, 126000000), (12, 105000000), (14, 90000000), (15, 84000000), (16, 78750000), (18, 70000000), (20, 63000000), (21, 60000000), (24, 52500000), (25, 50400000), (28, 45000000), (30, 42000000), (32, 39375000), (35, 36000000), (36, 35000000), (40, 31500000), (42, 30000000), (45, 28000000), (48, 26250000), (50, 25200000), (56, 22500000), (60, 21000000), (63, 20000000), (64, 19687500), (70, 18000000), (72, 17500000), (75, 16800000), (80, 15750000), (84, 15000000), (90, 14000000), (96, 13125000), (100, 12600000), (105, 12000000), (112, 11250000), (120, 10500000), (125, 10080000), (126, 10000000), (128, 9843750), (140, 9000000), (144, 8750000), (150, 8400000), (160, 7875000), (168, 7500000), (175, 7200000), (180, 7000000), (192, 6562500), (200, 6300000), (210, 6000000), (224, 5625000), (225, 5600000), (240, 5250000), (250, 5040000), (252, 5000000), (256, 4921875), (280, 4500000), (288, 4375000), (300, 4200000), (315, 4000000), (320, 3937500), (336, 3750000), (350, 3600000), (360, 3500000), (375, 3360000), (384, 3281250), (400, 3150000), (420, 3000000), (448, 2812500), (450, 2800000), (480, 2625000), (500, 2520000), (504, 2500000), (525, 2400000), (560, 2250000), (576, 2187500), (600, 2100000), (625, 2016000), (630, 2000000), (640, 1968750), (672, 1875000), (700, 1800000), (720, 1750000), (750, 1680000), (768, 1640625), (800, 1575000), (840, 1500000), (875, 1440000), (896, 1406250), (900, 1400000), (960, 1312500), (1000, 1260000), (1008, 1250000), (1050, 1200000), (1120, 1125000), (1125, 1120000), (1152, 1093750), (1200, 1050000), (1250, 1008000), (1260, 1000000), (1280, 984375), (1344, 937500), (1400, 900000), (1440, 875000), (1500, 840000), (1575, 800000), (1600, 787500), (1680, 750000), (1750, 720000), (1792, 703125), (1800, 700000), (1875, 672000), (1920, 656250), (2000, 630000), (2016, 625000), (2100, 600000), (2240, 562500), (2250, 560000), (2304, 546875), (2400, 525000), (2500, 504000), (2520, 500000), (2625, 480000), (2688, 468750), (2800, 450000), (2880, 437500), (3000, 420000), (3125, 403200), (3150, 400000), (3200, 393750), (3360, 375000), (3500, 360000), (3600, 350000), (3750, 336000), (3840, 328125), (4000, 315000), (4032, 312500), (4200, 300000), (4375, 288000), (4480, 281250), (4500, 280000), (4800, 262500), (5000, 252000), (5040, 250000), (5250, 240000), (5376, 234375), (5600, 225000), (5625, 224000), (5760, 218750), (6000, 210000), (6250, 201600), (6300, 200000), (6400, 196875), (6720, 187500), (7000, 180000), (7200, 175000), (7500, 168000), (7875, 160000), (8000, 157500), (8064, 156250), (8400, 150000), (8750, 144000), (8960, 140625), (9000, 140000), (9375, 134400), (9600, 131250), (10000, 126000), (10080, 125000), (10500, 120000), (11200, 112500), (11250, 112000), (11520, 109375), (12000, 105000), (12500, 100800), (12600, 100000), (13125, 96000), (13440, 93750), (14000, 90000), (14400, 87500), (15000, 84000), (15625, 80640), (15750, 80000), (16000, 78750), (16128, 78125), (16800, 75000), (17500, 72000), (18000, 70000), (18750, 67200), (19200, 65625), (20000, 63000), (20160, 62500), (21000, 60000), (21875, 57600), (22400, 56250), (22500, 56000), (24000, 52500), (25000, 50400), (25200, 50000), (26250, 48000), (26880, 46875), (28000, 45000), (28125, 44800), (28800, 43750), (30000, 42000), (31250, 40320), (31500, 40000), (32000, 39375), (33600, 37500), (35000, 36000)]