278138880

素因数分解:

$2^{12}\times 3^3\times 5^1\times {\mathrm{503}}^1$

素因数の和:541

約数の個数: 208

約数和(自身を含む): 990783360

約数和(自身を除く): 712644480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 503, 512, 540, 576, 640, 720, 768, 864, 960, 1006, 1024, 1080, 1152, 1280, 1440, 1509, 1536, 1728, 1920, 2012, 2048, 2160, 2304, 2515, 2560, 2880, 3018, 3072, 3456, 3840, 4024, 4096, 4320, 4527, 4608, 5030, 5120, 5760, 6036, 6144, 6912, 7545, 7680, 8048, 8640, 9054, 9216, 10060, 10240, 11520, 12072, 12288, 13581, 13824, 15090, 15360, 16096, 17280, 18108, 18432, 20120, 20480, 22635, 23040, 24144, 27162, 27648, 30180, 30720, 32192, 34560, 36216, 36864, 40240, 45270, 46080, 48288, 54324, 55296, 60360, 61440, 64384, 67905, 69120, 72432, 80480, 90540, 92160, 96576, 108648, 110592, 120720, 128768, 135810, 138240, 144864, 160960, 181080, 184320, 193152, 217296, 241440, 257536, 271620, 276480, 289728, 321920, 362160, 386304, 434592, 482880, 515072, 543240, 552960, 579456, 643840, 724320, 772608, 869184, 965760, 1030144, 1086480, 1158912, 1287680, 1448640, 1545216, 1738368, 1931520, 2060288, 2172960, 2317824, 2575360, 2897280, 3090432, 3476736, 3863040, 4345920, 4635648, 5150720, 5794560, 6180864, 6953472, 7726080, 8691840, 9271296, 10301440, 11589120, 13906944, 15452160, 17383680, 18542592, 23178240, 27813888, 30904320, 34767360, 46356480, 55627776, 69534720, 92712960, 139069440, 278138880]

約数ペア:

[(1, 278138880), (2, 139069440), (3, 92712960), (4, 69534720), (5, 55627776), (6, 46356480), (8, 34767360), (9, 30904320), (10, 27813888), (12, 23178240), (15, 18542592), (16, 17383680), (18, 15452160), (20, 13906944), (24, 11589120), (27, 10301440), (30, 9271296), (32, 8691840), (36, 7726080), (40, 6953472), (45, 6180864), (48, 5794560), (54, 5150720), (60, 4635648), (64, 4345920), (72, 3863040), (80, 3476736), (90, 3090432), (96, 2897280), (108, 2575360), (120, 2317824), (128, 2172960), (135, 2060288), (144, 1931520), (160, 1738368), (180, 1545216), (192, 1448640), (216, 1287680), (240, 1158912), (256, 1086480), (270, 1030144), (288, 965760), (320, 869184), (360, 772608), (384, 724320), (432, 643840), (480, 579456), (503, 552960), (512, 543240), (540, 515072), (576, 482880), (640, 434592), (720, 386304), (768, 362160), (864, 321920), (960, 289728), (1006, 276480), (1024, 271620), (1080, 257536), (1152, 241440), (1280, 217296), (1440, 193152), (1509, 184320), (1536, 181080), (1728, 160960), (1920, 144864), (2012, 138240), (2048, 135810), (2160, 128768), (2304, 120720), (2515, 110592), (2560, 108648), (2880, 96576), (3018, 92160), (3072, 90540), (3456, 80480), (3840, 72432), (4024, 69120), (4096, 67905), (4320, 64384), (4527, 61440), (4608, 60360), (5030, 55296), (5120, 54324), (5760, 48288), (6036, 46080), (6144, 45270), (6912, 40240), (7545, 36864), (7680, 36216), (8048, 34560), (8640, 32192), (9054, 30720), (9216, 30180), (10060, 27648), (10240, 27162), (11520, 24144), (12072, 23040), (12288, 22635), (13581, 20480), (13824, 20120), (15090, 18432), (15360, 18108), (16096, 17280)]