1012500000

素因数分解:

$2^5\times 3^4\times 5^8$

素因数の和:62

約数の個数: 270

約数和(自身を含む): 3722166063

約数和(自身を除く): 2709666063

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 120, 125, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 250, 270, 288, 300, 324, 360, 375, 400, 405, 432, 450, 480, 500, 540, 600, 625, 648, 675, 720, 750, 800, 810, 864, 900, 1000, 1080, 1125, 1200, 1250, 1296, 1350, 1440, 1500, 1620, 1800, 1875, 2000, 2025, 2160, 2250, 2400, 2500, 2592, 2700, 3000, 3125, 3240, 3375, 3600, 3750, 4000, 4050, 4320, 4500, 5000, 5400, 5625, 6000, 6250, 6480, 6750, 7200, 7500, 8100, 9000, 9375, 10000, 10125, 10800, 11250, 12000, 12500, 12960, 13500, 15000, 15625, 16200, 16875, 18000, 18750, 20000, 20250, 21600, 22500, 25000, 27000, 28125, 30000, 31250, 32400, 33750, 36000, 37500, 40500, 45000, 46875, 50000, 50625, 54000, 56250, 60000, 62500, 64800, 67500, 75000, 78125, 81000, 84375, 90000, 93750, 100000, 101250, 108000, 112500, 125000, 135000, 140625, 150000, 156250, 162000, 168750, 180000, 187500, 202500, 225000, 234375, 250000, 253125, 270000, 281250, 300000, 312500, 324000, 337500, 375000, 390625, 405000, 421875, 450000, 468750, 500000, 506250, 540000, 562500, 625000, 675000, 703125, 750000, 781250, 810000, 843750, 900000, 937500, 1012500, 1125000, 1171875, 1250000, 1265625, 1350000, 1406250, 1500000, 1562500, 1620000, 1687500, 1875000, 2025000, 2109375, 2250000, 2343750, 2500000, 2531250, 2700000, 2812500, 3125000, 3375000, 3515625, 3750000, 4050000, 4218750, 4500000, 4687500, 5062500, 5625000, 6250000, 6328125, 6750000, 7031250, 7500000, 8100000, 8437500, 9375000, 10125000, 10546875, 11250000, 12500000, 12656250, 13500000, 14062500, 16875000, 18750000, 20250000, 21093750, 22500000, 25312500, 28125000, 31640625, 33750000, 37500000, 40500000, 42187500, 50625000, 56250000, 63281250, 67500000, 84375000, 101250000, 112500000, 126562500, 168750000, 202500000, 253125000, 337500000, 506250000, 1012500000]

約数ペア:

[(1, 1012500000), (2, 506250000), (3, 337500000), (4, 253125000), (5, 202500000), (6, 168750000), (8, 126562500), (9, 112500000), (10, 101250000), (12, 84375000), (15, 67500000), (16, 63281250), (18, 56250000), (20, 50625000), (24, 42187500), (25, 40500000), (27, 37500000), (30, 33750000), (32, 31640625), (36, 28125000), (40, 25312500), (45, 22500000), (48, 21093750), (50, 20250000), (54, 18750000), (60, 16875000), (72, 14062500), (75, 13500000), (80, 12656250), (81, 12500000), (90, 11250000), (96, 10546875), (100, 10125000), (108, 9375000), (120, 8437500), (125, 8100000), (135, 7500000), (144, 7031250), (150, 6750000), (160, 6328125), (162, 6250000), (180, 5625000), (200, 5062500), (216, 4687500), (225, 4500000), (240, 4218750), (250, 4050000), (270, 3750000), (288, 3515625), (300, 3375000), (324, 3125000), (360, 2812500), (375, 2700000), (400, 2531250), (405, 2500000), (432, 2343750), (450, 2250000), (480, 2109375), (500, 2025000), (540, 1875000), (600, 1687500), (625, 1620000), (648, 1562500), (675, 1500000), (720, 1406250), (750, 1350000), (800, 1265625), (810, 1250000), (864, 1171875), (900, 1125000), (1000, 1012500), (1080, 937500), (1125, 900000), (1200, 843750), (1250, 810000), (1296, 781250), (1350, 750000), (1440, 703125), (1500, 675000), (1620, 625000), (1800, 562500), (1875, 540000), (2000, 506250), (2025, 500000), (2160, 468750), (2250, 450000), (2400, 421875), (2500, 405000), (2592, 390625), (2700, 375000), (3000, 337500), (3125, 324000), (3240, 312500), (3375, 300000), (3600, 281250), (3750, 270000), (4000, 253125), (4050, 250000), (4320, 234375), (4500, 225000), (5000, 202500), (5400, 187500), (5625, 180000), (6000, 168750), (6250, 162000), (6480, 156250), (6750, 150000), (7200, 140625), (7500, 135000), (8100, 125000), (9000, 112500), (9375, 108000), (10000, 101250), (10125, 100000), (10800, 93750), (11250, 90000), (12000, 84375), (12500, 81000), (12960, 78125), (13500, 75000), (15000, 67500), (15625, 64800), (16200, 62500), (16875, 60000), (18000, 56250), (18750, 54000), (20000, 50625), (20250, 50000), (21600, 46875), (22500, 45000), (25000, 40500), (27000, 37500), (28125, 36000), (30000, 33750), (31250, 32400)]