1721886720

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2437}}^1$

素因数の和:2490

約数の個数: 192

約数和(自身を含む): 5750559360

約数和(自身を除く): 4028672640

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, 690, 736, 768, 920, 960, 1024, 1104, 1280, 1380, 1472, 1536, 1840, 1920, 2048, 2208, 2437, 2560, 2760, 2944, 3072, 3680, 3840, 4416, 4874, 5120, 5520, 5888, 6144, 7311, 7360, 7680, 8832, 9748, 10240, 11040, 11776, 12185, 14622, 14720, 15360, 17664, 19496, 22080, 23552, 24370, 29244, 29440, 30720, 35328, 36555, 38992, 44160, 47104, 48740, 56051, 58488, 58880, 70656, 73110, 77984, 88320, 97480, 112102, 116976, 117760, 141312, 146220, 155968, 168153, 176640, 194960, 224204, 233952, 235520, 280255, 292440, 311936, 336306, 353280, 389920, 448408, 467904, 560510, 584880, 623872, 672612, 706560, 779840, 840765, 896816, 935808, 1121020, 1169760, 1247744, 1345224, 1559680, 1681530, 1793632, 1871616, 2242040, 2339520, 2495488, 2690448, 3119360, 3363060, 3587264, 3743232, 4484080, 4679040, 4990976, 5380896, 6238720, 6726120, 7174528, 7486464, 8968160, 9358080, 10761792, 12477440, 13452240, 14349056, 14972928, 17936320, 18716160, 21523584, 24954880, 26904480, 28698112, 35872640, 37432320, 43047168, 53808960, 57396224, 71745280, 74864640, 86094336, 107617920, 114792448, 143490560, 172188672, 215235840, 286981120, 344377344, 430471680, 573962240, 860943360, 1721886720]

約数ペア:

[(1, 1721886720), (2, 860943360), (3, 573962240), (4, 430471680), (5, 344377344), (6, 286981120), (8, 215235840), (10, 172188672), (12, 143490560), (15, 114792448), (16, 107617920), (20, 86094336), (23, 74864640), (24, 71745280), (30, 57396224), (32, 53808960), (40, 43047168), (46, 37432320), (48, 35872640), (60, 28698112), (64, 26904480), (69, 24954880), (80, 21523584), (92, 18716160), (96, 17936320), (115, 14972928), (120, 14349056), (128, 13452240), (138, 12477440), (160, 10761792), (184, 9358080), (192, 8968160), (230, 7486464), (240, 7174528), (256, 6726120), (276, 6238720), (320, 5380896), (345, 4990976), (368, 4679040), (384, 4484080), (460, 3743232), (480, 3587264), (512, 3363060), (552, 3119360), (640, 2690448), (690, 2495488), (736, 2339520), (768, 2242040), (920, 1871616), (960, 1793632), (1024, 1681530), (1104, 1559680), (1280, 1345224), (1380, 1247744), (1472, 1169760), (1536, 1121020), (1840, 935808), (1920, 896816), (2048, 840765), (2208, 779840), (2437, 706560), (2560, 672612), (2760, 623872), (2944, 584880), (3072, 560510), (3680, 467904), (3840, 448408), (4416, 389920), (4874, 353280), (5120, 336306), (5520, 311936), (5888, 292440), (6144, 280255), (7311, 235520), (7360, 233952), (7680, 224204), (8832, 194960), (9748, 176640), (10240, 168153), (11040, 155968), (11776, 146220), (12185, 141312), (14622, 117760), (14720, 116976), (15360, 112102), (17664, 97480), (19496, 88320), (22080, 77984), (23552, 73110), (24370, 70656), (29244, 58880), (29440, 58488), (30720, 56051), (35328, 48740), (36555, 47104), (38992, 44160)]