275681280

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{641}}^1$

素因数の和:680

約数の個数: 208

約数和(自身を含む): 1009655424

約数和(自身を除く): 733974144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 641, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1282, 1344, 1536, 1680, 1792, 1920, 1923, 2048, 2240, 2560, 2564, 2688, 3072, 3205, 3360, 3584, 3840, 3846, 4096, 4480, 4487, 5120, 5128, 5376, 6144, 6410, 6720, 7168, 7680, 7692, 8960, 8974, 9615, 10240, 10256, 10752, 12288, 12820, 13440, 13461, 14336, 15360, 15384, 17920, 17948, 19230, 20480, 20512, 21504, 22435, 25640, 26880, 26922, 28672, 30720, 30768, 35840, 35896, 38460, 41024, 43008, 44870, 51280, 53760, 53844, 61440, 61536, 67305, 71680, 71792, 76920, 82048, 86016, 89740, 102560, 107520, 107688, 123072, 134610, 143360, 143584, 153840, 164096, 179480, 205120, 215040, 215376, 246144, 269220, 287168, 307680, 328192, 358960, 410240, 430080, 430752, 492288, 538440, 574336, 615360, 656384, 717920, 820480, 861504, 984576, 1076880, 1148672, 1230720, 1312768, 1435840, 1640960, 1723008, 1969152, 2153760, 2297344, 2461440, 2625536, 2871680, 3281920, 3446016, 3938304, 4307520, 4594688, 4922880, 5743360, 6563840, 6892032, 7876608, 8615040, 9189376, 9845760, 11486720, 13127680, 13784064, 17230080, 18378752, 19691520, 22973440, 27568128, 34460160, 39383040, 45946880, 55136256, 68920320, 91893760, 137840640, 275681280]

約数ペア:

[(1, 275681280), (2, 137840640), (3, 91893760), (4, 68920320), (5, 55136256), (6, 45946880), (7, 39383040), (8, 34460160), (10, 27568128), (12, 22973440), (14, 19691520), (15, 18378752), (16, 17230080), (20, 13784064), (21, 13127680), (24, 11486720), (28, 9845760), (30, 9189376), (32, 8615040), (35, 7876608), (40, 6892032), (42, 6563840), (48, 5743360), (56, 4922880), (60, 4594688), (64, 4307520), (70, 3938304), (80, 3446016), (84, 3281920), (96, 2871680), (105, 2625536), (112, 2461440), (120, 2297344), (128, 2153760), (140, 1969152), (160, 1723008), (168, 1640960), (192, 1435840), (210, 1312768), (224, 1230720), (240, 1148672), (256, 1076880), (280, 984576), (320, 861504), (336, 820480), (384, 717920), (420, 656384), (448, 615360), (480, 574336), (512, 538440), (560, 492288), (640, 430752), (641, 430080), (672, 410240), (768, 358960), (840, 328192), (896, 307680), (960, 287168), (1024, 269220), (1120, 246144), (1280, 215376), (1282, 215040), (1344, 205120), (1536, 179480), (1680, 164096), (1792, 153840), (1920, 143584), (1923, 143360), (2048, 134610), (2240, 123072), (2560, 107688), (2564, 107520), (2688, 102560), (3072, 89740), (3205, 86016), (3360, 82048), (3584, 76920), (3840, 71792), (3846, 71680), (4096, 67305), (4480, 61536), (4487, 61440), (5120, 53844), (5128, 53760), (5376, 51280), (6144, 44870), (6410, 43008), (6720, 41024), (7168, 38460), (7680, 35896), (7692, 35840), (8960, 30768), (8974, 30720), (9615, 28672), (10240, 26922), (10256, 26880), (10752, 25640), (12288, 22435), (12820, 21504), (13440, 20512), (13461, 20480), (14336, 19230), (15360, 17948), (15384, 17920)]