641250000

素因数分解:

$2^4\times 3^3\times 5^7\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 320

約数和(自身を含む): 2421868800

約数和(自身を除く): 1780618800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 90, 95, 100, 108, 114, 120, 125, 135, 144, 150, 152, 171, 180, 190, 200, 216, 225, 228, 240, 250, 270, 285, 300, 304, 342, 360, 375, 380, 400, 432, 450, 456, 475, 500, 513, 540, 570, 600, 625, 675, 684, 720, 750, 760, 855, 900, 912, 950, 1000, 1026, 1080, 1125, 1140, 1200, 1250, 1350, 1368, 1425, 1500, 1520, 1710, 1800, 1875, 1900, 2000, 2052, 2160, 2250, 2280, 2375, 2500, 2565, 2700, 2736, 2850, 3000, 3125, 3375, 3420, 3600, 3750, 3800, 4104, 4275, 4500, 4560, 4750, 5000, 5130, 5400, 5625, 5700, 6000, 6250, 6750, 6840, 7125, 7500, 7600, 8208, 8550, 9000, 9375, 9500, 10000, 10260, 10800, 11250, 11400, 11875, 12500, 12825, 13500, 13680, 14250, 15000, 15625, 16875, 17100, 18000, 18750, 19000, 20520, 21375, 22500, 22800, 23750, 25000, 25650, 27000, 28125, 28500, 30000, 31250, 33750, 34200, 35625, 37500, 38000, 41040, 42750, 45000, 46875, 47500, 50000, 51300, 54000, 56250, 57000, 59375, 62500, 64125, 67500, 68400, 71250, 75000, 78125, 84375, 85500, 90000, 93750, 95000, 102600, 106875, 112500, 114000, 118750, 125000, 128250, 135000, 140625, 142500, 150000, 156250, 168750, 171000, 178125, 187500, 190000, 205200, 213750, 225000, 234375, 237500, 250000, 256500, 270000, 281250, 285000, 296875, 312500, 320625, 337500, 342000, 356250, 375000, 421875, 427500, 450000, 468750, 475000, 513000, 534375, 562500, 570000, 593750, 625000, 641250, 675000, 703125, 712500, 750000, 843750, 855000, 890625, 937500, 950000, 1026000, 1068750, 1125000, 1187500, 1250000, 1282500, 1350000, 1406250, 1425000, 1484375, 1603125, 1687500, 1710000, 1781250, 1875000, 2109375, 2137500, 2250000, 2375000, 2565000, 2671875, 2812500, 2850000, 2968750, 3206250, 3375000, 3562500, 3750000, 4218750, 4275000, 4453125, 4750000, 5130000, 5343750, 5625000, 5937500, 6412500, 6750000, 7125000, 8015625, 8437500, 8550000, 8906250, 10687500, 11250000, 11875000, 12825000, 13359375, 14250000, 16031250, 16875000, 17812500, 21375000, 23750000, 25650000, 26718750, 32062500, 33750000, 35625000, 40078125, 42750000, 53437500, 64125000, 71250000, 80156250, 106875000, 128250000, 160312500, 213750000, 320625000, 641250000]

約数ペア:

[(1, 641250000), (2, 320625000), (3, 213750000), (4, 160312500), (5, 128250000), (6, 106875000), (8, 80156250), (9, 71250000), (10, 64125000), (12, 53437500), (15, 42750000), (16, 40078125), (18, 35625000), (19, 33750000), (20, 32062500), (24, 26718750), (25, 25650000), (27, 23750000), (30, 21375000), (36, 17812500), (38, 16875000), (40, 16031250), (45, 14250000), (48, 13359375), (50, 12825000), (54, 11875000), (57, 11250000), (60, 10687500), (72, 8906250), (75, 8550000), (76, 8437500), (80, 8015625), (90, 7125000), (95, 6750000), (100, 6412500), (108, 5937500), (114, 5625000), (120, 5343750), (125, 5130000), (135, 4750000), (144, 4453125), (150, 4275000), (152, 4218750), (171, 3750000), (180, 3562500), (190, 3375000), (200, 3206250), (216, 2968750), (225, 2850000), (228, 2812500), (240, 2671875), (250, 2565000), (270, 2375000), (285, 2250000), (300, 2137500), (304, 2109375), (342, 1875000), (360, 1781250), (375, 1710000), (380, 1687500), (400, 1603125), (432, 1484375), (450, 1425000), (456, 1406250), (475, 1350000), (500, 1282500), (513, 1250000), (540, 1187500), (570, 1125000), (600, 1068750), (625, 1026000), (675, 950000), (684, 937500), (720, 890625), (750, 855000), (760, 843750), (855, 750000), (900, 712500), (912, 703125), (950, 675000), (1000, 641250), (1026, 625000), (1080, 593750), (1125, 570000), (1140, 562500), (1200, 534375), (1250, 513000), (1350, 475000), (1368, 468750), (1425, 450000), (1500, 427500), (1520, 421875), (1710, 375000), (1800, 356250), (1875, 342000), (1900, 337500), (2000, 320625), (2052, 312500), (2160, 296875), (2250, 285000), (2280, 281250), (2375, 270000), (2500, 256500), (2565, 250000), (2700, 237500), (2736, 234375), (2850, 225000), (3000, 213750), (3125, 205200), (3375, 190000), (3420, 187500), (3600, 178125), (3750, 171000), (3800, 168750), (4104, 156250), (4275, 150000), (4500, 142500), (4560, 140625), (4750, 135000), (5000, 128250), (5130, 125000), (5400, 118750), (5625, 114000), (5700, 112500), (6000, 106875), (6250, 102600), (6750, 95000), (6840, 93750), (7125, 90000), (7500, 85500), (7600, 84375), (8208, 78125), (8550, 75000), (9000, 71250), (9375, 68400), (9500, 67500), (10000, 64125), (10260, 62500), (10800, 59375), (11250, 57000), (11400, 56250), (11875, 54000), (12500, 51300), (12825, 50000), (13500, 47500), (13680, 46875), (14250, 45000), (15000, 42750), (15625, 41040), (16875, 38000), (17100, 37500), (18000, 35625), (18750, 34200), (19000, 33750), (20520, 31250), (21375, 30000), (22500, 28500), (22800, 28125), (23750, 27000), (25000, 25650)]