205680000

素因数分解:

$2^7\times 3^1\times 5^4\times {\mathrm{857}}^1$

素因数の和:894

約数の個数: 160

約数和(自身を含む): 683499960

約数和(自身を除く): 477819960

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, 857, 960, 1000, 1200, 1250, 1500, 1600, 1714, 1875, 1920, 2000, 2400, 2500, 2571, 3000, 3200, 3428, 3750, 4000, 4285, 4800, 5000, 5142, 6000, 6856, 7500, 8000, 8570, 9600, 10000, 10284, 12000, 12855, 13712, 15000, 16000, 17140, 20000, 20568, 21425, 24000, 25710, 27424, 30000, 34280, 40000, 41136, 42850, 48000, 51420, 54848, 60000, 64275, 68560, 80000, 82272, 85700, 102840, 107125, 109696, 120000, 128550, 137120, 164544, 171400, 205680, 214250, 240000, 257100, 274240, 321375, 329088, 342800, 411360, 428500, 514200, 535625, 548480, 642750, 685600, 822720, 857000, 1028400, 1071250, 1285500, 1371200, 1606875, 1645440, 1714000, 2056800, 2142500, 2571000, 2742400, 3213750, 3428000, 4113600, 4285000, 5142000, 6427500, 6856000, 8227200, 8570000, 10284000, 12855000, 13712000, 17140000, 20568000, 25710000, 34280000, 41136000, 51420000, 68560000, 102840000, 205680000]

約数ペア:

[(1, 205680000), (2, 102840000), (3, 68560000), (4, 51420000), (5, 41136000), (6, 34280000), (8, 25710000), (10, 20568000), (12, 17140000), (15, 13712000), (16, 12855000), (20, 10284000), (24, 8570000), (25, 8227200), (30, 6856000), (32, 6427500), (40, 5142000), (48, 4285000), (50, 4113600), (60, 3428000), (64, 3213750), (75, 2742400), (80, 2571000), (96, 2142500), (100, 2056800), (120, 1714000), (125, 1645440), (128, 1606875), (150, 1371200), (160, 1285500), (192, 1071250), (200, 1028400), (240, 857000), (250, 822720), (300, 685600), (320, 642750), (375, 548480), (384, 535625), (400, 514200), (480, 428500), (500, 411360), (600, 342800), (625, 329088), (640, 321375), (750, 274240), (800, 257100), (857, 240000), (960, 214250), (1000, 205680), (1200, 171400), (1250, 164544), (1500, 137120), (1600, 128550), (1714, 120000), (1875, 109696), (1920, 107125), (2000, 102840), (2400, 85700), (2500, 82272), (2571, 80000), (3000, 68560), (3200, 64275), (3428, 60000), (3750, 54848), (4000, 51420), (4285, 48000), (4800, 42850), (5000, 41136), (5142, 40000), (6000, 34280), (6856, 30000), (7500, 27424), (8000, 25710), (8570, 24000), (9600, 21425), (10000, 20568), (10284, 20000), (12000, 17140), (12855, 16000), (13712, 15000)]