1280880000

素因数分解:

$2^7\times 3^3\times 5^4\times {\mathrm{593}}^1$

素因数の和:636

約数の個数: 320

約数和(自身を含む): 4731922800

約数和(自身を除く): 3451042800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 125, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 250, 270, 288, 300, 320, 360, 375, 384, 400, 432, 450, 480, 500, 540, 576, 593, 600, 625, 640, 675, 720, 750, 800, 864, 900, 960, 1000, 1080, 1125, 1152, 1186, 1200, 1250, 1350, 1440, 1500, 1600, 1728, 1779, 1800, 1875, 1920, 2000, 2160, 2250, 2372, 2400, 2500, 2700, 2880, 2965, 3000, 3200, 3375, 3456, 3558, 3600, 3750, 4000, 4320, 4500, 4744, 4800, 5000, 5337, 5400, 5625, 5760, 5930, 6000, 6750, 7116, 7200, 7500, 8000, 8640, 8895, 9000, 9488, 9600, 10000, 10674, 10800, 11250, 11860, 12000, 13500, 14232, 14400, 14825, 15000, 16000, 16011, 16875, 17280, 17790, 18000, 18976, 20000, 21348, 21600, 22500, 23720, 24000, 26685, 27000, 28464, 28800, 29650, 30000, 32022, 33750, 35580, 36000, 37952, 40000, 42696, 43200, 44475, 45000, 47440, 48000, 53370, 54000, 56928, 59300, 60000, 64044, 67500, 71160, 72000, 74125, 75904, 80000, 80055, 85392, 86400, 88950, 90000, 94880, 106740, 108000, 113856, 118600, 120000, 128088, 133425, 135000, 142320, 144000, 148250, 160110, 170784, 177900, 180000, 189760, 213480, 216000, 222375, 227712, 237200, 240000, 256176, 266850, 270000, 284640, 296500, 320220, 341568, 355800, 360000, 370625, 379520, 400275, 426960, 432000, 444750, 474400, 512352, 533700, 540000, 569280, 593000, 640440, 667125, 683136, 711600, 720000, 741250, 800550, 853920, 889500, 948800, 1024704, 1067400, 1080000, 1111875, 1138560, 1186000, 1280880, 1334250, 1423200, 1482500, 1601100, 1707840, 1779000, 1897600, 2001375, 2049408, 2134800, 2160000, 2223750, 2372000, 2561760, 2668500, 2846400, 2965000, 3202200, 3335625, 3415680, 3558000, 4002750, 4269600, 4447500, 4744000, 5123520, 5337000, 5692800, 5930000, 6404400, 6671250, 7116000, 8005500, 8539200, 8895000, 9488000, 10006875, 10247040, 10674000, 11860000, 12808800, 13342500, 14232000, 16011000, 17078400, 17790000, 20013750, 21348000, 23720000, 25617600, 26685000, 28464000, 32022000, 35580000, 40027500, 42696000, 47440000, 51235200, 53370000, 64044000, 71160000, 80055000, 85392000, 106740000, 128088000, 142320000, 160110000, 213480000, 256176000, 320220000, 426960000, 640440000, 1280880000]

約数ペア:

[(1, 1280880000), (2, 640440000), (3, 426960000), (4, 320220000), (5, 256176000), (6, 213480000), (8, 160110000), (9, 142320000), (10, 128088000), (12, 106740000), (15, 85392000), (16, 80055000), (18, 71160000), (20, 64044000), (24, 53370000), (25, 51235200), (27, 47440000), (30, 42696000), (32, 40027500), (36, 35580000), (40, 32022000), (45, 28464000), (48, 26685000), (50, 25617600), (54, 23720000), (60, 21348000), (64, 20013750), (72, 17790000), (75, 17078400), (80, 16011000), (90, 14232000), (96, 13342500), (100, 12808800), (108, 11860000), (120, 10674000), (125, 10247040), (128, 10006875), (135, 9488000), (144, 8895000), (150, 8539200), (160, 8005500), (180, 7116000), (192, 6671250), (200, 6404400), (216, 5930000), (225, 5692800), (240, 5337000), (250, 5123520), (270, 4744000), (288, 4447500), (300, 4269600), (320, 4002750), (360, 3558000), (375, 3415680), (384, 3335625), (400, 3202200), (432, 2965000), (450, 2846400), (480, 2668500), (500, 2561760), (540, 2372000), (576, 2223750), (593, 2160000), (600, 2134800), (625, 2049408), (640, 2001375), (675, 1897600), (720, 1779000), (750, 1707840), (800, 1601100), (864, 1482500), (900, 1423200), (960, 1334250), (1000, 1280880), (1080, 1186000), (1125, 1138560), (1152, 1111875), (1186, 1080000), (1200, 1067400), (1250, 1024704), (1350, 948800), (1440, 889500), (1500, 853920), (1600, 800550), (1728, 741250), (1779, 720000), (1800, 711600), (1875, 683136), (1920, 667125), (2000, 640440), (2160, 593000), (2250, 569280), (2372, 540000), (2400, 533700), (2500, 512352), (2700, 474400), (2880, 444750), (2965, 432000), (3000, 426960), (3200, 400275), (3375, 379520), (3456, 370625), (3558, 360000), (3600, 355800), (3750, 341568), (4000, 320220), (4320, 296500), (4500, 284640), (4744, 270000), (4800, 266850), (5000, 256176), (5337, 240000), (5400, 237200), (5625, 227712), (5760, 222375), (5930, 216000), (6000, 213480), (6750, 189760), (7116, 180000), (7200, 177900), (7500, 170784), (8000, 160110), (8640, 148250), (8895, 144000), (9000, 142320), (9488, 135000), (9600, 133425), (10000, 128088), (10674, 120000), (10800, 118600), (11250, 113856), (11860, 108000), (12000, 106740), (13500, 94880), (14232, 90000), (14400, 88950), (14825, 86400), (15000, 85392), (16000, 80055), (16011, 80000), (16875, 75904), (17280, 74125), (17790, 72000), (18000, 71160), (18976, 67500), (20000, 64044), (21348, 60000), (21600, 59300), (22500, 56928), (23720, 54000), (24000, 53370), (26685, 48000), (27000, 47440), (28464, 45000), (28800, 44475), (29650, 43200), (30000, 42696), (32022, 40000), (33750, 37952), (35580, 36000)]