1218654720

素因数分解:

$2^9\times 3^6\times 5^1\times {\mathrm{653}}^1$

素因数の和:694

約数の個数: 280

約数和(自身を含む): 4387577436

約数和(自身を除く): 3168922716

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 653, 720, 729, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1306, 1440, 1458, 1536, 1620, 1728, 1920, 1944, 1959, 2160, 2304, 2430, 2560, 2592, 2612, 2880, 2916, 3240, 3265, 3456, 3645, 3840, 3888, 3918, 4320, 4608, 4860, 5184, 5224, 5760, 5832, 5877, 6480, 6530, 6912, 7290, 7680, 7776, 7836, 8640, 9720, 9795, 10368, 10448, 11520, 11664, 11754, 12960, 13060, 13824, 14580, 15552, 15672, 17280, 17631, 19440, 19590, 20736, 20896, 23040, 23328, 23508, 25920, 26120, 29160, 29385, 31104, 31344, 34560, 35262, 38880, 39180, 41472, 41792, 46656, 47016, 51840, 52240, 52893, 58320, 58770, 62208, 62688, 69120, 70524, 77760, 78360, 83584, 88155, 93312, 94032, 103680, 104480, 105786, 116640, 117540, 124416, 125376, 141048, 155520, 156720, 158679, 167168, 176310, 186624, 188064, 207360, 208960, 211572, 233280, 235080, 250752, 264465, 282096, 311040, 313440, 317358, 334336, 352620, 373248, 376128, 417920, 423144, 466560, 470160, 476037, 501504, 528930, 564192, 622080, 626880, 634716, 705240, 752256, 793395, 835840, 846288, 933120, 940320, 952074, 1003008, 1057860, 1128384, 1253760, 1269432, 1410480, 1504512, 1586790, 1671680, 1692576, 1866240, 1880640, 1904148, 2115720, 2256768, 2380185, 2507520, 2538864, 2820960, 3009024, 3173580, 3385152, 3761280, 3808296, 4231440, 4513536, 4760370, 5015040, 5077728, 5641920, 6347160, 6770304, 7522560, 7616592, 8462880, 9027072, 9520740, 10155456, 11283840, 12694320, 13540608, 15045120, 15233184, 16925760, 19041480, 20310912, 22567680, 25388640, 27081216, 30466368, 33851520, 38082960, 40621824, 45135360, 50777280, 60932736, 67703040, 76165920, 81243648, 101554560, 121865472, 135406080, 152331840, 203109120, 243730944, 304663680, 406218240, 609327360, 1218654720]

約数ペア:

[(1, 1218654720), (2, 609327360), (3, 406218240), (4, 304663680), (5, 243730944), (6, 203109120), (8, 152331840), (9, 135406080), (10, 121865472), (12, 101554560), (15, 81243648), (16, 76165920), (18, 67703040), (20, 60932736), (24, 50777280), (27, 45135360), (30, 40621824), (32, 38082960), (36, 33851520), (40, 30466368), (45, 27081216), (48, 25388640), (54, 22567680), (60, 20310912), (64, 19041480), (72, 16925760), (80, 15233184), (81, 15045120), (90, 13540608), (96, 12694320), (108, 11283840), (120, 10155456), (128, 9520740), (135, 9027072), (144, 8462880), (160, 7616592), (162, 7522560), (180, 6770304), (192, 6347160), (216, 5641920), (240, 5077728), (243, 5015040), (256, 4760370), (270, 4513536), (288, 4231440), (320, 3808296), (324, 3761280), (360, 3385152), (384, 3173580), (405, 3009024), (432, 2820960), (480, 2538864), (486, 2507520), (512, 2380185), (540, 2256768), (576, 2115720), (640, 1904148), (648, 1880640), (653, 1866240), (720, 1692576), (729, 1671680), (768, 1586790), (810, 1504512), (864, 1410480), (960, 1269432), (972, 1253760), (1080, 1128384), (1152, 1057860), (1215, 1003008), (1280, 952074), (1296, 940320), (1306, 933120), (1440, 846288), (1458, 835840), (1536, 793395), (1620, 752256), (1728, 705240), (1920, 634716), (1944, 626880), (1959, 622080), (2160, 564192), (2304, 528930), (2430, 501504), (2560, 476037), (2592, 470160), (2612, 466560), (2880, 423144), (2916, 417920), (3240, 376128), (3265, 373248), (3456, 352620), (3645, 334336), (3840, 317358), (3888, 313440), (3918, 311040), (4320, 282096), (4608, 264465), (4860, 250752), (5184, 235080), (5224, 233280), (5760, 211572), (5832, 208960), (5877, 207360), (6480, 188064), (6530, 186624), (6912, 176310), (7290, 167168), (7680, 158679), (7776, 156720), (7836, 155520), (8640, 141048), (9720, 125376), (9795, 124416), (10368, 117540), (10448, 116640), (11520, 105786), (11664, 104480), (11754, 103680), (12960, 94032), (13060, 93312), (13824, 88155), (14580, 83584), (15552, 78360), (15672, 77760), (17280, 70524), (17631, 69120), (19440, 62688), (19590, 62208), (20736, 58770), (20896, 58320), (23040, 52893), (23328, 52240), (23508, 51840), (25920, 47016), (26120, 46656), (29160, 41792), (29385, 41472), (31104, 39180), (31344, 38880), (34560, 35262)]