20256000

素因数分解:

$2^8\times 3^1\times 5^3\times {\mathrm{211}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 67599168

約数和(自身を除く): 47343168

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, 211, 240, 250, 256, 300, 320, 375, 384, 400, 422, 480, 500, 600, 633, 640, 750, 768, 800, 844, 960, 1000, 1055, 1200, 1266, 1280, 1500, 1600, 1688, 1920, 2000, 2110, 2400, 2532, 3000, 3165, 3200, 3376, 3840, 4000, 4220, 4800, 5064, 5275, 6000, 6330, 6400, 6752, 8000, 8440, 9600, 10128, 10550, 12000, 12660, 13504, 15825, 16000, 16880, 19200, 20256, 21100, 24000, 25320, 26375, 27008, 31650, 32000, 33760, 40512, 42200, 48000, 50640, 52750, 54016, 63300, 67520, 79125, 81024, 84400, 96000, 101280, 105500, 126600, 135040, 158250, 162048, 168800, 202560, 211000, 253200, 270080, 316500, 337600, 405120, 422000, 506400, 633000, 675200, 810240, 844000, 1012800, 1266000, 1350400, 1688000, 2025600, 2532000, 3376000, 4051200, 5064000, 6752000, 10128000, 20256000]

約数ペア:

[(1, 20256000), (2, 10128000), (3, 6752000), (4, 5064000), (5, 4051200), (6, 3376000), (8, 2532000), (10, 2025600), (12, 1688000), (15, 1350400), (16, 1266000), (20, 1012800), (24, 844000), (25, 810240), (30, 675200), (32, 633000), (40, 506400), (48, 422000), (50, 405120), (60, 337600), (64, 316500), (75, 270080), (80, 253200), (96, 211000), (100, 202560), (120, 168800), (125, 162048), (128, 158250), (150, 135040), (160, 126600), (192, 105500), (200, 101280), (211, 96000), (240, 84400), (250, 81024), (256, 79125), (300, 67520), (320, 63300), (375, 54016), (384, 52750), (400, 50640), (422, 48000), (480, 42200), (500, 40512), (600, 33760), (633, 32000), (640, 31650), (750, 27008), (768, 26375), (800, 25320), (844, 24000), (960, 21100), (1000, 20256), (1055, 19200), (1200, 16880), (1266, 16000), (1280, 15825), (1500, 13504), (1600, 12660), (1688, 12000), (1920, 10550), (2000, 10128), (2110, 9600), (2400, 8440), (2532, 8000), (3000, 6752), (3165, 6400), (3200, 6330), (3376, 6000), (3840, 5275), (4000, 5064), (4220, 4800)]