68920320

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{641}}^1$

素因数の和:676

約数の個数: 176

約数和(自身を含む): 252321408

約数和(自身を除く): 183401088

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, 2240, 2560, 2564, 2688, 3072, 3205, 3360, 3584, 3840, 3846, 4480, 4487, 5120, 5128, 5376, 6410, 6720, 7168, 7680, 7692, 8960, 8974, 9615, 10256, 10752, 12820, 13440, 13461, 15360, 15384, 17920, 17948, 19230, 20512, 21504, 22435, 25640, 26880, 26922, 30768, 35840, 35896, 38460, 41024, 44870, 51280, 53760, 53844, 61536, 67305, 71792, 76920, 82048, 89740, 102560, 107520, 107688, 123072, 134610, 143584, 153840, 164096, 179480, 205120, 215376, 246144, 269220, 287168, 307680, 328192, 358960, 410240, 430752, 492288, 538440, 574336, 615360, 656384, 717920, 820480, 861504, 984576, 1076880, 1148672, 1230720, 1435840, 1640960, 1723008, 1969152, 2153760, 2297344, 2461440, 2871680, 3281920, 3446016, 4307520, 4594688, 4922880, 5743360, 6892032, 8615040, 9845760, 11486720, 13784064, 17230080, 22973440, 34460160, 68920320]

約数ペア:

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