820454400

素因数分解:

$2^{10}\times 3^3\times 5^2\times {\mathrm{1187}}^1$

素因数の和:1226

約数の個数: 264

約数和(自身を含む): 3015476640

約数和(自身を除く): 2195022240

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, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 256, 270, 288, 300, 320, 360, 384, 400, 432, 450, 480, 512, 540, 576, 600, 640, 675, 720, 768, 800, 864, 900, 960, 1024, 1080, 1152, 1187, 1200, 1280, 1350, 1440, 1536, 1600, 1728, 1800, 1920, 2160, 2304, 2374, 2400, 2560, 2700, 2880, 3072, 3200, 3456, 3561, 3600, 3840, 4320, 4608, 4748, 4800, 5120, 5400, 5760, 5935, 6400, 6912, 7122, 7200, 7680, 8640, 9216, 9496, 9600, 10683, 10800, 11520, 11870, 12800, 13824, 14244, 14400, 15360, 17280, 17805, 18992, 19200, 21366, 21600, 23040, 23740, 25600, 27648, 28488, 28800, 29675, 32049, 34560, 35610, 37984, 38400, 42732, 43200, 46080, 47480, 53415, 56976, 57600, 59350, 64098, 69120, 71220, 75968, 76800, 85464, 86400, 89025, 94960, 106830, 113952, 115200, 118700, 128196, 138240, 142440, 151936, 160245, 170928, 172800, 178050, 189920, 213660, 227904, 230400, 237400, 256392, 267075, 284880, 303872, 320490, 341856, 345600, 356100, 379840, 427320, 455808, 474800, 512784, 534150, 569760, 607744, 640980, 683712, 691200, 712200, 759680, 801225, 854640, 911616, 949600, 1025568, 1068300, 1139520, 1215488, 1281960, 1367424, 1424400, 1519360, 1602450, 1709280, 1823232, 1899200, 2051136, 2136600, 2279040, 2563920, 2734848, 2848800, 3038720, 3204900, 3418560, 3646464, 3798400, 4102272, 4273200, 4558080, 5127840, 5469696, 5697600, 6077440, 6409800, 6837120, 7596800, 8204544, 8546400, 9116160, 10255680, 10939392, 11395200, 12819600, 13674240, 15193600, 16409088, 17092800, 18232320, 20511360, 22790400, 25639200, 27348480, 30387200, 32818176, 34185600, 41022720, 45580800, 51278400, 54696960, 68371200, 82045440, 91161600, 102556800, 136742400, 164090880, 205113600, 273484800, 410227200, 820454400]

約数ペア:

[(1, 820454400), (2, 410227200), (3, 273484800), (4, 205113600), (5, 164090880), (6, 136742400), (8, 102556800), (9, 91161600), (10, 82045440), (12, 68371200), (15, 54696960), (16, 51278400), (18, 45580800), (20, 41022720), (24, 34185600), (25, 32818176), (27, 30387200), (30, 27348480), (32, 25639200), (36, 22790400), (40, 20511360), (45, 18232320), (48, 17092800), (50, 16409088), (54, 15193600), (60, 13674240), (64, 12819600), (72, 11395200), (75, 10939392), (80, 10255680), (90, 9116160), (96, 8546400), (100, 8204544), (108, 7596800), (120, 6837120), (128, 6409800), (135, 6077440), (144, 5697600), (150, 5469696), (160, 5127840), (180, 4558080), (192, 4273200), (200, 4102272), (216, 3798400), (225, 3646464), (240, 3418560), (256, 3204900), (270, 3038720), (288, 2848800), (300, 2734848), (320, 2563920), (360, 2279040), (384, 2136600), (400, 2051136), (432, 1899200), (450, 1823232), (480, 1709280), (512, 1602450), (540, 1519360), (576, 1424400), (600, 1367424), (640, 1281960), (675, 1215488), (720, 1139520), (768, 1068300), (800, 1025568), (864, 949600), (900, 911616), (960, 854640), (1024, 801225), (1080, 759680), (1152, 712200), (1187, 691200), (1200, 683712), (1280, 640980), (1350, 607744), (1440, 569760), (1536, 534150), (1600, 512784), (1728, 474800), (1800, 455808), (1920, 427320), (2160, 379840), (2304, 356100), (2374, 345600), (2400, 341856), (2560, 320490), (2700, 303872), (2880, 284880), (3072, 267075), (3200, 256392), (3456, 237400), (3561, 230400), (3600, 227904), (3840, 213660), (4320, 189920), (4608, 178050), (4748, 172800), (4800, 170928), (5120, 160245), (5400, 151936), (5760, 142440), (5935, 138240), (6400, 128196), (6912, 118700), (7122, 115200), (7200, 113952), (7680, 106830), (8640, 94960), (9216, 89025), (9496, 86400), (9600, 85464), (10683, 76800), (10800, 75968), (11520, 71220), (11870, 69120), (12800, 64098), (13824, 59350), (14244, 57600), (14400, 56976), (15360, 53415), (17280, 47480), (17805, 46080), (18992, 43200), (19200, 42732), (21366, 38400), (21600, 37984), (23040, 35610), (23740, 34560), (25600, 32049), (27648, 29675), (28488, 28800)]