421440000

素因数分解:

$2^9\times 3^1\times 5^4\times {\mathrm{439}}^1$

素因数の和:480

約数の個数: 200

約数和(自身を含む): 1406174880

約数和(自身を除く): 984734880

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, 256, 300, 320, 375, 384, 400, 439, 480, 500, 512, 600, 625, 640, 750, 768, 800, 878, 960, 1000, 1200, 1250, 1280, 1317, 1500, 1536, 1600, 1756, 1875, 1920, 2000, 2195, 2400, 2500, 2560, 2634, 3000, 3200, 3512, 3750, 3840, 4000, 4390, 4800, 5000, 5268, 6000, 6400, 6585, 7024, 7500, 7680, 8000, 8780, 9600, 10000, 10536, 10975, 12000, 12800, 13170, 14048, 15000, 16000, 17560, 19200, 20000, 21072, 21950, 24000, 26340, 28096, 30000, 32000, 32925, 35120, 38400, 40000, 42144, 43900, 48000, 52680, 54875, 56192, 60000, 64000, 65850, 70240, 80000, 84288, 87800, 96000, 105360, 109750, 112384, 120000, 131700, 140480, 160000, 164625, 168576, 175600, 192000, 210720, 219500, 224768, 240000, 263400, 274375, 280960, 320000, 329250, 337152, 351200, 421440, 439000, 480000, 526800, 548750, 561920, 658500, 674304, 702400, 823125, 842880, 878000, 960000, 1053600, 1097500, 1123840, 1317000, 1404800, 1646250, 1685760, 1756000, 2107200, 2195000, 2634000, 2809600, 3292500, 3371520, 3512000, 4214400, 4390000, 5268000, 5619200, 6585000, 7024000, 8428800, 8780000, 10536000, 13170000, 14048000, 16857600, 17560000, 21072000, 26340000, 28096000, 35120000, 42144000, 52680000, 70240000, 84288000, 105360000, 140480000, 210720000, 421440000]

約数ペア:

[(1, 421440000), (2, 210720000), (3, 140480000), (4, 105360000), (5, 84288000), (6, 70240000), (8, 52680000), (10, 42144000), (12, 35120000), (15, 28096000), (16, 26340000), (20, 21072000), (24, 17560000), (25, 16857600), (30, 14048000), (32, 13170000), (40, 10536000), (48, 8780000), (50, 8428800), (60, 7024000), (64, 6585000), (75, 5619200), (80, 5268000), (96, 4390000), (100, 4214400), (120, 3512000), (125, 3371520), (128, 3292500), (150, 2809600), (160, 2634000), (192, 2195000), (200, 2107200), (240, 1756000), (250, 1685760), (256, 1646250), (300, 1404800), (320, 1317000), (375, 1123840), (384, 1097500), (400, 1053600), (439, 960000), (480, 878000), (500, 842880), (512, 823125), (600, 702400), (625, 674304), (640, 658500), (750, 561920), (768, 548750), (800, 526800), (878, 480000), (960, 439000), (1000, 421440), (1200, 351200), (1250, 337152), (1280, 329250), (1317, 320000), (1500, 280960), (1536, 274375), (1600, 263400), (1756, 240000), (1875, 224768), (1920, 219500), (2000, 210720), (2195, 192000), (2400, 175600), (2500, 168576), (2560, 164625), (2634, 160000), (3000, 140480), (3200, 131700), (3512, 120000), (3750, 112384), (3840, 109750), (4000, 105360), (4390, 96000), (4800, 87800), (5000, 84288), (5268, 80000), (6000, 70240), (6400, 65850), (6585, 64000), (7024, 60000), (7500, 56192), (7680, 54875), (8000, 52680), (8780, 48000), (9600, 43900), (10000, 42144), (10536, 40000), (10975, 38400), (12000, 35120), (12800, 32925), (13170, 32000), (14048, 30000), (15000, 28096), (16000, 26340), (17560, 24000), (19200, 21950), (20000, 21072)]