255000000

素因数分解:

$2^6\times 3^1\times 5^7\times {\mathrm{17}}^1$

素因数の和:67

約数の個数: 224

約数和(自身を含む): 892966464

約数和(自身を除く): 637966464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 125, 136, 150, 160, 170, 192, 200, 204, 240, 250, 255, 272, 300, 320, 340, 375, 400, 408, 425, 480, 500, 510, 544, 600, 625, 680, 750, 800, 816, 850, 960, 1000, 1020, 1088, 1200, 1250, 1275, 1360, 1500, 1600, 1632, 1700, 1875, 2000, 2040, 2125, 2400, 2500, 2550, 2720, 3000, 3125, 3264, 3400, 3750, 4000, 4080, 4250, 4800, 5000, 5100, 5440, 6000, 6250, 6375, 6800, 7500, 8000, 8160, 8500, 9375, 10000, 10200, 10625, 12000, 12500, 12750, 13600, 15000, 15625, 16320, 17000, 18750, 20000, 20400, 21250, 24000, 25000, 25500, 27200, 30000, 31250, 31875, 34000, 37500, 40000, 40800, 42500, 46875, 50000, 51000, 53125, 60000, 62500, 63750, 68000, 75000, 78125, 81600, 85000, 93750, 100000, 102000, 106250, 120000, 125000, 127500, 136000, 150000, 156250, 159375, 170000, 187500, 200000, 204000, 212500, 234375, 250000, 255000, 265625, 300000, 312500, 318750, 340000, 375000, 408000, 425000, 468750, 500000, 510000, 531250, 600000, 625000, 637500, 680000, 750000, 796875, 850000, 937500, 1000000, 1020000, 1062500, 1250000, 1275000, 1328125, 1500000, 1593750, 1700000, 1875000, 2040000, 2125000, 2500000, 2550000, 2656250, 3000000, 3187500, 3400000, 3750000, 3984375, 4250000, 5000000, 5100000, 5312500, 6375000, 7500000, 7968750, 8500000, 10200000, 10625000, 12750000, 15000000, 15937500, 17000000, 21250000, 25500000, 31875000, 42500000, 51000000, 63750000, 85000000, 127500000, 255000000]

約数ペア:

[(1, 255000000), (2, 127500000), (3, 85000000), (4, 63750000), (5, 51000000), (6, 42500000), (8, 31875000), (10, 25500000), (12, 21250000), (15, 17000000), (16, 15937500), (17, 15000000), (20, 12750000), (24, 10625000), (25, 10200000), (30, 8500000), (32, 7968750), (34, 7500000), (40, 6375000), (48, 5312500), (50, 5100000), (51, 5000000), (60, 4250000), (64, 3984375), (68, 3750000), (75, 3400000), (80, 3187500), (85, 3000000), (96, 2656250), (100, 2550000), (102, 2500000), (120, 2125000), (125, 2040000), (136, 1875000), (150, 1700000), (160, 1593750), (170, 1500000), (192, 1328125), (200, 1275000), (204, 1250000), (240, 1062500), (250, 1020000), (255, 1000000), (272, 937500), (300, 850000), (320, 796875), (340, 750000), (375, 680000), (400, 637500), (408, 625000), (425, 600000), (480, 531250), (500, 510000), (510, 500000), (544, 468750), (600, 425000), (625, 408000), (680, 375000), (750, 340000), (800, 318750), (816, 312500), (850, 300000), (960, 265625), (1000, 255000), (1020, 250000), (1088, 234375), (1200, 212500), (1250, 204000), (1275, 200000), (1360, 187500), (1500, 170000), (1600, 159375), (1632, 156250), (1700, 150000), (1875, 136000), (2000, 127500), (2040, 125000), (2125, 120000), (2400, 106250), (2500, 102000), (2550, 100000), (2720, 93750), (3000, 85000), (3125, 81600), (3264, 78125), (3400, 75000), (3750, 68000), (4000, 63750), (4080, 62500), (4250, 60000), (4800, 53125), (5000, 51000), (5100, 50000), (5440, 46875), (6000, 42500), (6250, 40800), (6375, 40000), (6800, 37500), (7500, 34000), (8000, 31875), (8160, 31250), (8500, 30000), (9375, 27200), (10000, 25500), (10200, 25000), (10625, 24000), (12000, 21250), (12500, 20400), (12750, 20000), (13600, 18750), (15000, 17000), (15625, 16320)]