1020000000

素因数分解:

$2^8\times 3^1\times 5^7\times {\mathrm{17}}^1$

素因数の和:71

約数の個数: 288

約数和(自身を含む): 3592959552

約数和(自身を除く): 2572959552

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, 128, 136, 150, 160, 170, 192, 200, 204, 240, 250, 255, 256, 272, 300, 320, 340, 375, 384, 400, 408, 425, 480, 500, 510, 544, 600, 625, 640, 680, 750, 768, 800, 816, 850, 960, 1000, 1020, 1088, 1200, 1250, 1275, 1280, 1360, 1500, 1600, 1632, 1700, 1875, 1920, 2000, 2040, 2125, 2176, 2400, 2500, 2550, 2720, 3000, 3125, 3200, 3264, 3400, 3750, 3840, 4000, 4080, 4250, 4352, 4800, 5000, 5100, 5440, 6000, 6250, 6375, 6400, 6528, 6800, 7500, 8000, 8160, 8500, 9375, 9600, 10000, 10200, 10625, 10880, 12000, 12500, 12750, 13056, 13600, 15000, 15625, 16000, 16320, 17000, 18750, 19200, 20000, 20400, 21250, 21760, 24000, 25000, 25500, 27200, 30000, 31250, 31875, 32000, 32640, 34000, 37500, 40000, 40800, 42500, 46875, 48000, 50000, 51000, 53125, 54400, 60000, 62500, 63750, 65280, 68000, 75000, 78125, 80000, 81600, 85000, 93750, 96000, 100000, 102000, 106250, 108800, 120000, 125000, 127500, 136000, 150000, 156250, 159375, 160000, 163200, 170000, 187500, 200000, 204000, 212500, 234375, 240000, 250000, 255000, 265625, 272000, 300000, 312500, 318750, 326400, 340000, 375000, 400000, 408000, 425000, 468750, 480000, 500000, 510000, 531250, 544000, 600000, 625000, 637500, 680000, 750000, 796875, 800000, 816000, 850000, 937500, 1000000, 1020000, 1062500, 1200000, 1250000, 1275000, 1328125, 1360000, 1500000, 1593750, 1632000, 1700000, 1875000, 2000000, 2040000, 2125000, 2400000, 2500000, 2550000, 2656250, 2720000, 3000000, 3187500, 3400000, 3750000, 3984375, 4000000, 4080000, 4250000, 5000000, 5100000, 5312500, 6000000, 6375000, 6800000, 7500000, 7968750, 8160000, 8500000, 10000000, 10200000, 10625000, 12000000, 12750000, 13600000, 15000000, 15937500, 17000000, 20000000, 20400000, 21250000, 25500000, 30000000, 31875000, 34000000, 40800000, 42500000, 51000000, 60000000, 63750000, 68000000, 85000000, 102000000, 127500000, 170000000, 204000000, 255000000, 340000000, 510000000, 1020000000]

約数ペア:

[(1, 1020000000), (2, 510000000), (3, 340000000), (4, 255000000), (5, 204000000), (6, 170000000), (8, 127500000), (10, 102000000), (12, 85000000), (15, 68000000), (16, 63750000), (17, 60000000), (20, 51000000), (24, 42500000), (25, 40800000), (30, 34000000), (32, 31875000), (34, 30000000), (40, 25500000), (48, 21250000), (50, 20400000), (51, 20000000), (60, 17000000), (64, 15937500), (68, 15000000), (75, 13600000), (80, 12750000), (85, 12000000), (96, 10625000), (100, 10200000), (102, 10000000), (120, 8500000), (125, 8160000), (128, 7968750), (136, 7500000), (150, 6800000), (160, 6375000), (170, 6000000), (192, 5312500), (200, 5100000), (204, 5000000), (240, 4250000), (250, 4080000), (255, 4000000), (256, 3984375), (272, 3750000), (300, 3400000), (320, 3187500), (340, 3000000), (375, 2720000), (384, 2656250), (400, 2550000), (408, 2500000), (425, 2400000), (480, 2125000), (500, 2040000), (510, 2000000), (544, 1875000), (600, 1700000), (625, 1632000), (640, 1593750), (680, 1500000), (750, 1360000), (768, 1328125), (800, 1275000), (816, 1250000), (850, 1200000), (960, 1062500), (1000, 1020000), (1020, 1000000), (1088, 937500), (1200, 850000), (1250, 816000), (1275, 800000), (1280, 796875), (1360, 750000), (1500, 680000), (1600, 637500), (1632, 625000), (1700, 600000), (1875, 544000), (1920, 531250), (2000, 510000), (2040, 500000), (2125, 480000), (2176, 468750), (2400, 425000), (2500, 408000), (2550, 400000), (2720, 375000), (3000, 340000), (3125, 326400), (3200, 318750), (3264, 312500), (3400, 300000), (3750, 272000), (3840, 265625), (4000, 255000), (4080, 250000), (4250, 240000), (4352, 234375), (4800, 212500), (5000, 204000), (5100, 200000), (5440, 187500), (6000, 170000), (6250, 163200), (6375, 160000), (6400, 159375), (6528, 156250), (6800, 150000), (7500, 136000), (8000, 127500), (8160, 125000), (8500, 120000), (9375, 108800), (9600, 106250), (10000, 102000), (10200, 100000), (10625, 96000), (10880, 93750), (12000, 85000), (12500, 81600), (12750, 80000), (13056, 78125), (13600, 75000), (15000, 68000), (15625, 65280), (16000, 63750), (16320, 62500), (17000, 60000), (18750, 54400), (19200, 53125), (20000, 51000), (20400, 50000), (21250, 48000), (21760, 46875), (24000, 42500), (25000, 40800), (25500, 40000), (27200, 37500), (30000, 34000), (31250, 32640), (31875, 32000)]