51300000

素因数分解:

$2^5\times 3^3\times 5^5\times {\mathrm{19}}^1$

素因数の和:63

約数の個数: 288

約数和(自身を含む): 196862400

約数和(自身を除く): 145562400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 32, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 90, 95, 96, 100, 108, 114, 120, 125, 135, 144, 150, 152, 160, 171, 180, 190, 200, 216, 225, 228, 240, 250, 270, 285, 288, 300, 304, 342, 360, 375, 380, 400, 432, 450, 456, 475, 480, 500, 513, 540, 570, 600, 608, 625, 675, 684, 720, 750, 760, 800, 855, 864, 900, 912, 950, 1000, 1026, 1080, 1125, 1140, 1200, 1250, 1350, 1368, 1425, 1440, 1500, 1520, 1710, 1800, 1824, 1875, 1900, 2000, 2052, 2160, 2250, 2280, 2375, 2400, 2500, 2565, 2700, 2736, 2850, 3000, 3040, 3125, 3375, 3420, 3600, 3750, 3800, 4000, 4104, 4275, 4320, 4500, 4560, 4750, 5000, 5130, 5400, 5472, 5625, 5700, 6000, 6250, 6750, 6840, 7125, 7200, 7500, 7600, 8208, 8550, 9000, 9120, 9375, 9500, 10000, 10260, 10800, 11250, 11400, 11875, 12000, 12500, 12825, 13500, 13680, 14250, 15000, 15200, 16416, 16875, 17100, 18000, 18750, 19000, 20000, 20520, 21375, 21600, 22500, 22800, 23750, 25000, 25650, 27000, 27360, 28125, 28500, 30000, 33750, 34200, 35625, 36000, 37500, 38000, 41040, 42750, 45000, 45600, 47500, 50000, 51300, 54000, 56250, 57000, 59375, 60000, 64125, 67500, 68400, 71250, 75000, 76000, 82080, 84375, 85500, 90000, 95000, 100000, 102600, 106875, 108000, 112500, 114000, 118750, 128250, 135000, 136800, 142500, 150000, 168750, 171000, 178125, 180000, 190000, 205200, 213750, 225000, 228000, 237500, 256500, 270000, 285000, 300000, 320625, 337500, 342000, 356250, 380000, 410400, 427500, 450000, 475000, 513000, 534375, 540000, 570000, 641250, 675000, 684000, 712500, 855000, 900000, 950000, 1026000, 1068750, 1140000, 1282500, 1350000, 1425000, 1603125, 1710000, 1900000, 2052000, 2137500, 2565000, 2700000, 2850000, 3206250, 3420000, 4275000, 5130000, 5700000, 6412500, 8550000, 10260000, 12825000, 17100000, 25650000, 51300000]

約数ペア:

[(1, 51300000), (2, 25650000), (3, 17100000), (4, 12825000), (5, 10260000), (6, 8550000), (8, 6412500), (9, 5700000), (10, 5130000), (12, 4275000), (15, 3420000), (16, 3206250), (18, 2850000), (19, 2700000), (20, 2565000), (24, 2137500), (25, 2052000), (27, 1900000), (30, 1710000), (32, 1603125), (36, 1425000), (38, 1350000), (40, 1282500), (45, 1140000), (48, 1068750), (50, 1026000), (54, 950000), (57, 900000), (60, 855000), (72, 712500), (75, 684000), (76, 675000), (80, 641250), (90, 570000), (95, 540000), (96, 534375), (100, 513000), (108, 475000), (114, 450000), (120, 427500), (125, 410400), (135, 380000), (144, 356250), (150, 342000), (152, 337500), (160, 320625), (171, 300000), (180, 285000), (190, 270000), (200, 256500), (216, 237500), (225, 228000), (228, 225000), (240, 213750), (250, 205200), (270, 190000), (285, 180000), (288, 178125), (300, 171000), (304, 168750), (342, 150000), (360, 142500), (375, 136800), (380, 135000), (400, 128250), (432, 118750), (450, 114000), (456, 112500), (475, 108000), (480, 106875), (500, 102600), (513, 100000), (540, 95000), (570, 90000), (600, 85500), (608, 84375), (625, 82080), (675, 76000), (684, 75000), (720, 71250), (750, 68400), (760, 67500), (800, 64125), (855, 60000), (864, 59375), (900, 57000), (912, 56250), (950, 54000), (1000, 51300), (1026, 50000), (1080, 47500), (1125, 45600), (1140, 45000), (1200, 42750), (1250, 41040), (1350, 38000), (1368, 37500), (1425, 36000), (1440, 35625), (1500, 34200), (1520, 33750), (1710, 30000), (1800, 28500), (1824, 28125), (1875, 27360), (1900, 27000), (2000, 25650), (2052, 25000), (2160, 23750), (2250, 22800), (2280, 22500), (2375, 21600), (2400, 21375), (2500, 20520), (2565, 20000), (2700, 19000), (2736, 18750), (2850, 18000), (3000, 17100), (3040, 16875), (3125, 16416), (3375, 15200), (3420, 15000), (3600, 14250), (3750, 13680), (3800, 13500), (4000, 12825), (4104, 12500), (4275, 12000), (4320, 11875), (4500, 11400), (4560, 11250), (4750, 10800), (5000, 10260), (5130, 10000), (5400, 9500), (5472, 9375), (5625, 9120), (5700, 9000), (6000, 8550), (6250, 8208), (6750, 7600), (6840, 7500), (7125, 7200)]