78750000

素因数分解:

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

素因数の和:56

約数の個数: 240

約数和(自身を含む): 314842944

約数和(自身を除く): 236092944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 125, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 250, 252, 280, 300, 315, 336, 350, 360, 375, 400, 420, 450, 500, 504, 525, 560, 600, 625, 630, 700, 720, 750, 840, 875, 900, 1000, 1008, 1050, 1125, 1200, 1250, 1260, 1400, 1500, 1575, 1680, 1750, 1800, 1875, 2000, 2100, 2250, 2500, 2520, 2625, 2800, 3000, 3125, 3150, 3500, 3600, 3750, 4200, 4375, 4500, 5000, 5040, 5250, 5625, 6000, 6250, 6300, 7000, 7500, 7875, 8400, 8750, 9000, 9375, 10000, 10500, 11250, 12500, 12600, 13125, 14000, 15000, 15625, 15750, 17500, 18000, 18750, 21000, 21875, 22500, 25000, 25200, 26250, 28125, 30000, 31250, 31500, 35000, 37500, 39375, 42000, 43750, 45000, 46875, 50000, 52500, 56250, 62500, 63000, 65625, 70000, 75000, 78125, 78750, 87500, 90000, 93750, 105000, 109375, 112500, 125000, 126000, 131250, 140625, 150000, 156250, 157500, 175000, 187500, 196875, 210000, 218750, 225000, 234375, 250000, 262500, 281250, 312500, 315000, 328125, 350000, 375000, 393750, 437500, 450000, 468750, 525000, 546875, 562500, 625000, 630000, 656250, 703125, 750000, 787500, 875000, 937500, 984375, 1050000, 1093750, 1125000, 1250000, 1312500, 1406250, 1575000, 1640625, 1750000, 1875000, 1968750, 2187500, 2250000, 2625000, 2812500, 3150000, 3281250, 3750000, 3937500, 4375000, 4921875, 5250000, 5625000, 6562500, 7875000, 8750000, 9843750, 11250000, 13125000, 15750000, 19687500, 26250000, 39375000, 78750000]

約数ペア:

[(1, 78750000), (2, 39375000), (3, 26250000), (4, 19687500), (5, 15750000), (6, 13125000), (7, 11250000), (8, 9843750), (9, 8750000), (10, 7875000), (12, 6562500), (14, 5625000), (15, 5250000), (16, 4921875), (18, 4375000), (20, 3937500), (21, 3750000), (24, 3281250), (25, 3150000), (28, 2812500), (30, 2625000), (35, 2250000), (36, 2187500), (40, 1968750), (42, 1875000), (45, 1750000), (48, 1640625), (50, 1575000), (56, 1406250), (60, 1312500), (63, 1250000), (70, 1125000), (72, 1093750), (75, 1050000), (80, 984375), (84, 937500), (90, 875000), (100, 787500), (105, 750000), (112, 703125), (120, 656250), (125, 630000), (126, 625000), (140, 562500), (144, 546875), (150, 525000), (168, 468750), (175, 450000), (180, 437500), (200, 393750), (210, 375000), (225, 350000), (240, 328125), (250, 315000), (252, 312500), (280, 281250), (300, 262500), (315, 250000), (336, 234375), (350, 225000), (360, 218750), (375, 210000), (400, 196875), (420, 187500), (450, 175000), (500, 157500), (504, 156250), (525, 150000), (560, 140625), (600, 131250), (625, 126000), (630, 125000), (700, 112500), (720, 109375), (750, 105000), (840, 93750), (875, 90000), (900, 87500), (1000, 78750), (1008, 78125), (1050, 75000), (1125, 70000), (1200, 65625), (1250, 63000), (1260, 62500), (1400, 56250), (1500, 52500), (1575, 50000), (1680, 46875), (1750, 45000), (1800, 43750), (1875, 42000), (2000, 39375), (2100, 37500), (2250, 35000), (2500, 31500), (2520, 31250), (2625, 30000), (2800, 28125), (3000, 26250), (3125, 25200), (3150, 25000), (3500, 22500), (3600, 21875), (3750, 21000), (4200, 18750), (4375, 18000), (4500, 17500), (5000, 15750), (5040, 15625), (5250, 15000), (5625, 14000), (6000, 13125), (6250, 12600), (6300, 12500), (7000, 11250), (7500, 10500), (7875, 10000), (8400, 9375), (8750, 9000)]