204720000

素因数分解:

$2^7\times 3^1\times 5^4\times {\mathrm{853}}^1$

素因数の和:890

約数の個数: 160

約数和(自身を含む): 680313480

約数和(自身を除く): 475593480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 128, 150, 160, 192, 200, 240, 250, 300, 320, 375, 384, 400, 480, 500, 600, 625, 640, 750, 800, 853, 960, 1000, 1200, 1250, 1500, 1600, 1706, 1875, 1920, 2000, 2400, 2500, 2559, 3000, 3200, 3412, 3750, 4000, 4265, 4800, 5000, 5118, 6000, 6824, 7500, 8000, 8530, 9600, 10000, 10236, 12000, 12795, 13648, 15000, 16000, 17060, 20000, 20472, 21325, 24000, 25590, 27296, 30000, 34120, 40000, 40944, 42650, 48000, 51180, 54592, 60000, 63975, 68240, 80000, 81888, 85300, 102360, 106625, 109184, 120000, 127950, 136480, 163776, 170600, 204720, 213250, 240000, 255900, 272960, 319875, 327552, 341200, 409440, 426500, 511800, 533125, 545920, 639750, 682400, 818880, 853000, 1023600, 1066250, 1279500, 1364800, 1599375, 1637760, 1706000, 2047200, 2132500, 2559000, 2729600, 3198750, 3412000, 4094400, 4265000, 5118000, 6397500, 6824000, 8188800, 8530000, 10236000, 12795000, 13648000, 17060000, 20472000, 25590000, 34120000, 40944000, 51180000, 68240000, 102360000, 204720000]

約数ペア:

[(1, 204720000), (2, 102360000), (3, 68240000), (4, 51180000), (5, 40944000), (6, 34120000), (8, 25590000), (10, 20472000), (12, 17060000), (15, 13648000), (16, 12795000), (20, 10236000), (24, 8530000), (25, 8188800), (30, 6824000), (32, 6397500), (40, 5118000), (48, 4265000), (50, 4094400), (60, 3412000), (64, 3198750), (75, 2729600), (80, 2559000), (96, 2132500), (100, 2047200), (120, 1706000), (125, 1637760), (128, 1599375), (150, 1364800), (160, 1279500), (192, 1066250), (200, 1023600), (240, 853000), (250, 818880), (300, 682400), (320, 639750), (375, 545920), (384, 533125), (400, 511800), (480, 426500), (500, 409440), (600, 341200), (625, 327552), (640, 319875), (750, 272960), (800, 255900), (853, 240000), (960, 213250), (1000, 204720), (1200, 170600), (1250, 163776), (1500, 136480), (1600, 127950), (1706, 120000), (1875, 109184), (1920, 106625), (2000, 102360), (2400, 85300), (2500, 81888), (2559, 80000), (3000, 68240), (3200, 63975), (3412, 60000), (3750, 54592), (4000, 51180), (4265, 48000), (4800, 42650), (5000, 40944), (5118, 40000), (6000, 34120), (6824, 30000), (7500, 27296), (8000, 25590), (8530, 24000), (9600, 21325), (10000, 20472), (10236, 20000), (12000, 17060), (12795, 16000), (13648, 15000)]