905809920

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:696

約数の個数: 208

約数和(自身を含む): 3028966272

約数和(自身を除く): 2123156352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 512, 552, 640, 641, 690, 736, 768, 920, 960, 1024, 1104, 1280, 1282, 1380, 1472, 1536, 1840, 1920, 1923, 2048, 2208, 2560, 2564, 2760, 2944, 3072, 3205, 3680, 3840, 3846, 4096, 4416, 5120, 5128, 5520, 5888, 6144, 6410, 7360, 7680, 7692, 8832, 9615, 10240, 10256, 11040, 11776, 12288, 12820, 14720, 14743, 15360, 15384, 17664, 19230, 20480, 20512, 22080, 23552, 25640, 29440, 29486, 30720, 30768, 35328, 38460, 41024, 44160, 44229, 47104, 51280, 58880, 58972, 61440, 61536, 70656, 73715, 76920, 82048, 88320, 88458, 94208, 102560, 117760, 117944, 123072, 141312, 147430, 153840, 164096, 176640, 176916, 205120, 221145, 235520, 235888, 246144, 282624, 294860, 307680, 328192, 353280, 353832, 410240, 442290, 471040, 471776, 492288, 589720, 615360, 656384, 706560, 707664, 820480, 884580, 943552, 984576, 1179440, 1230720, 1312768, 1413120, 1415328, 1640960, 1769160, 1887104, 1969152, 2358880, 2461440, 2625536, 2830656, 3281920, 3538320, 3774208, 3938304, 4717760, 4922880, 5661312, 6563840, 7076640, 7548416, 7876608, 9435520, 9845760, 11322624, 13127680, 14153280, 15096832, 18871040, 19691520, 22645248, 28306560, 30193664, 37742080, 39383040, 45290496, 56613120, 60387328, 75484160, 90580992, 113226240, 150968320, 181161984, 226452480, 301936640, 452904960, 905809920]

約数ペア:

[(1, 905809920), (2, 452904960), (3, 301936640), (4, 226452480), (5, 181161984), (6, 150968320), (8, 113226240), (10, 90580992), (12, 75484160), (15, 60387328), (16, 56613120), (20, 45290496), (23, 39383040), (24, 37742080), (30, 30193664), (32, 28306560), (40, 22645248), (46, 19691520), (48, 18871040), (60, 15096832), (64, 14153280), (69, 13127680), (80, 11322624), (92, 9845760), (96, 9435520), (115, 7876608), (120, 7548416), (128, 7076640), (138, 6563840), (160, 5661312), (184, 4922880), (192, 4717760), (230, 3938304), (240, 3774208), (256, 3538320), (276, 3281920), (320, 2830656), (345, 2625536), (368, 2461440), (384, 2358880), (460, 1969152), (480, 1887104), (512, 1769160), (552, 1640960), (640, 1415328), (641, 1413120), (690, 1312768), (736, 1230720), (768, 1179440), (920, 984576), (960, 943552), (1024, 884580), (1104, 820480), (1280, 707664), (1282, 706560), (1380, 656384), (1472, 615360), (1536, 589720), (1840, 492288), (1920, 471776), (1923, 471040), (2048, 442290), (2208, 410240), (2560, 353832), (2564, 353280), (2760, 328192), (2944, 307680), (3072, 294860), (3205, 282624), (3680, 246144), (3840, 235888), (3846, 235520), (4096, 221145), (4416, 205120), (5120, 176916), (5128, 176640), (5520, 164096), (5888, 153840), (6144, 147430), (6410, 141312), (7360, 123072), (7680, 117944), (7692, 117760), (8832, 102560), (9615, 94208), (10240, 88458), (10256, 88320), (11040, 82048), (11776, 76920), (12288, 73715), (12820, 70656), (14720, 61536), (14743, 61440), (15360, 58972), (15384, 58880), (17664, 51280), (19230, 47104), (20480, 44229), (20512, 44160), (22080, 41024), (23552, 38460), (25640, 35328), (29440, 30768), (29486, 30720)]