20790000

素因数分解:

$2^4\times 3^3\times 5^4\times 7^1\times {\mathrm{11}}^1$

素因数の和:55

約数の個数: 400

約数和(自身を含む): 92970240

約数和(自身を除く): 72180240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 50, 54, 55, 56, 60, 63, 66, 70, 72, 75, 77, 80, 84, 88, 90, 99, 100, 105, 108, 110, 112, 120, 125, 126, 132, 135, 140, 144, 150, 154, 165, 168, 175, 176, 180, 189, 198, 200, 210, 216, 220, 225, 231, 240, 250, 252, 264, 270, 275, 280, 297, 300, 308, 315, 330, 336, 350, 360, 375, 378, 385, 396, 400, 420, 432, 440, 450, 462, 495, 500, 504, 525, 528, 540, 550, 560, 594, 600, 616, 625, 630, 660, 675, 693, 700, 720, 750, 756, 770, 792, 825, 840, 875, 880, 900, 924, 945, 990, 1000, 1008, 1050, 1080, 1100, 1125, 1155, 1188, 1200, 1232, 1250, 1260, 1320, 1350, 1375, 1386, 1400, 1485, 1500, 1512, 1540, 1575, 1584, 1650, 1680, 1750, 1800, 1848, 1875, 1890, 1925, 1980, 2000, 2079, 2100, 2160, 2200, 2250, 2310, 2376, 2475, 2500, 2520, 2625, 2640, 2700, 2750, 2772, 2800, 2970, 3000, 3024, 3080, 3150, 3300, 3375, 3465, 3500, 3600, 3696, 3750, 3780, 3850, 3960, 4125, 4158, 4200, 4375, 4400, 4500, 4620, 4725, 4752, 4950, 5000, 5040, 5250, 5400, 5500, 5544, 5625, 5775, 5940, 6000, 6160, 6300, 6600, 6750, 6875, 6930, 7000, 7425, 7500, 7560, 7700, 7875, 7920, 8250, 8316, 8400, 8750, 9000, 9240, 9450, 9625, 9900, 10000, 10395, 10500, 10800, 11000, 11088, 11250, 11550, 11880, 12375, 12600, 13125, 13200, 13500, 13750, 13860, 14000, 14850, 15000, 15120, 15400, 15750, 16500, 16632, 16875, 17325, 17500, 18000, 18480, 18900, 19250, 19800, 20625, 20790, 21000, 22000, 22500, 23100, 23625, 23760, 24750, 25200, 26250, 27000, 27500, 27720, 28875, 29700, 30000, 30800, 31500, 33000, 33264, 33750, 34650, 35000, 37125, 37800, 38500, 39375, 39600, 41250, 41580, 42000, 45000, 46200, 47250, 48125, 49500, 51975, 52500, 54000, 55000, 55440, 57750, 59400, 61875, 63000, 66000, 67500, 69300, 70000, 74250, 75600, 77000, 78750, 82500, 83160, 86625, 90000, 92400, 94500, 96250, 99000, 103950, 105000, 110000, 115500, 118125, 118800, 123750, 126000, 135000, 138600, 144375, 148500, 154000, 157500, 165000, 166320, 173250, 185625, 189000, 192500, 198000, 207900, 210000, 231000, 236250, 247500, 259875, 270000, 277200, 288750, 297000, 315000, 330000, 346500, 371250, 378000, 385000, 415800, 433125, 462000, 472500, 495000, 519750, 577500, 594000, 630000, 693000, 742500, 770000, 831600, 866250, 945000, 990000, 1039500, 1155000, 1299375, 1386000, 1485000, 1732500, 1890000, 2079000, 2310000, 2598750, 2970000, 3465000, 4158000, 5197500, 6930000, 10395000, 20790000]

約数ペア:

[(1, 20790000), (2, 10395000), (3, 6930000), (4, 5197500), (5, 4158000), (6, 3465000), (7, 2970000), (8, 2598750), (9, 2310000), (10, 2079000), (11, 1890000), (12, 1732500), (14, 1485000), (15, 1386000), (16, 1299375), (18, 1155000), (20, 1039500), (21, 990000), (22, 945000), (24, 866250), (25, 831600), (27, 770000), (28, 742500), (30, 693000), (33, 630000), (35, 594000), (36, 577500), (40, 519750), (42, 495000), (44, 472500), (45, 462000), (48, 433125), (50, 415800), (54, 385000), (55, 378000), (56, 371250), (60, 346500), (63, 330000), (66, 315000), (70, 297000), (72, 288750), (75, 277200), (77, 270000), (80, 259875), (84, 247500), (88, 236250), (90, 231000), (99, 210000), (100, 207900), (105, 198000), (108, 192500), (110, 189000), (112, 185625), (120, 173250), (125, 166320), (126, 165000), (132, 157500), (135, 154000), (140, 148500), (144, 144375), (150, 138600), (154, 135000), (165, 126000), (168, 123750), (175, 118800), (176, 118125), (180, 115500), (189, 110000), (198, 105000), (200, 103950), (210, 99000), (216, 96250), (220, 94500), (225, 92400), (231, 90000), (240, 86625), (250, 83160), (252, 82500), (264, 78750), (270, 77000), (275, 75600), (280, 74250), (297, 70000), (300, 69300), (308, 67500), (315, 66000), (330, 63000), (336, 61875), (350, 59400), (360, 57750), (375, 55440), (378, 55000), (385, 54000), (396, 52500), (400, 51975), (420, 49500), (432, 48125), (440, 47250), (450, 46200), (462, 45000), (495, 42000), (500, 41580), (504, 41250), (525, 39600), (528, 39375), (540, 38500), (550, 37800), (560, 37125), (594, 35000), (600, 34650), (616, 33750), (625, 33264), (630, 33000), (660, 31500), (675, 30800), (693, 30000), (700, 29700), (720, 28875), (750, 27720), (756, 27500), (770, 27000), (792, 26250), (825, 25200), (840, 24750), (875, 23760), (880, 23625), (900, 23100), (924, 22500), (945, 22000), (990, 21000), (1000, 20790), (1008, 20625), (1050, 19800), (1080, 19250), (1100, 18900), (1125, 18480), (1155, 18000), (1188, 17500), (1200, 17325), (1232, 16875), (1250, 16632), (1260, 16500), (1320, 15750), (1350, 15400), (1375, 15120), (1386, 15000), (1400, 14850), (1485, 14000), (1500, 13860), (1512, 13750), (1540, 13500), (1575, 13200), (1584, 13125), (1650, 12600), (1680, 12375), (1750, 11880), (1800, 11550), (1848, 11250), (1875, 11088), (1890, 11000), (1925, 10800), (1980, 10500), (2000, 10395), (2079, 10000), (2100, 9900), (2160, 9625), (2200, 9450), (2250, 9240), (2310, 9000), (2376, 8750), (2475, 8400), (2500, 8316), (2520, 8250), (2625, 7920), (2640, 7875), (2700, 7700), (2750, 7560), (2772, 7500), (2800, 7425), (2970, 7000), (3000, 6930), (3024, 6875), (3080, 6750), (3150, 6600), (3300, 6300), (3375, 6160), (3465, 6000), (3500, 5940), (3600, 5775), (3696, 5625), (3750, 5544), (3780, 5500), (3850, 5400), (3960, 5250), (4125, 5040), (4158, 5000), (4200, 4950), (4375, 4752), (4400, 4725), (4500, 4620)]