1818270720

素因数分解:

$2^{10}\times 3^3\times 5^1\times 7^1\times {\mathrm{1879}}^1$

素因数の和:1920

約数の個数: 352

約数和(自身を含む): 7388851200

約数和(自身を除く): 5570580480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 512, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1024, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1536, 1680, 1728, 1792, 1879, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2560, 2688, 2880, 3024, 3072, 3360, 3456, 3584, 3758, 3780, 3840, 4032, 4320, 4480, 4608, 5040, 5120, 5376, 5637, 5760, 6048, 6720, 6912, 7168, 7516, 7560, 7680, 8064, 8640, 8960, 9216, 9395, 10080, 10752, 11274, 11520, 12096, 13153, 13440, 13824, 15032, 15120, 15360, 16128, 16911, 17280, 17920, 18790, 20160, 21504, 22548, 23040, 24192, 26306, 26880, 27648, 28185, 30064, 30240, 32256, 33822, 34560, 35840, 37580, 39459, 40320, 45096, 46080, 48384, 50733, 52612, 53760, 56370, 60128, 60480, 64512, 65765, 67644, 69120, 75160, 78918, 80640, 84555, 90192, 96768, 101466, 105224, 107520, 112740, 118377, 120256, 120960, 131530, 135288, 138240, 150320, 157836, 161280, 169110, 180384, 193536, 197295, 202932, 210448, 225480, 236754, 240512, 241920, 253665, 263060, 270576, 300640, 315672, 322560, 338220, 355131, 360768, 394590, 405864, 420896, 450960, 473508, 481024, 483840, 507330, 526120, 541152, 591885, 601280, 631344, 676440, 710262, 721536, 789180, 811728, 841792, 901920, 947016, 962048, 967680, 1014660, 1052240, 1082304, 1183770, 1202560, 1262688, 1352880, 1420524, 1443072, 1578360, 1623456, 1683584, 1775655, 1803840, 1894032, 1924096, 2029320, 2104480, 2164608, 2367540, 2405120, 2525376, 2705760, 2841048, 2886144, 3156720, 3246912, 3367168, 3551310, 3607680, 3788064, 4058640, 4208960, 4329216, 4735080, 4810240, 5050752, 5411520, 5682096, 5772288, 6313440, 6493824, 6734336, 7102620, 7215360, 7576128, 8117280, 8417920, 8658432, 9470160, 9620480, 10101504, 10823040, 11364192, 12626880, 12987648, 13468672, 14205240, 14430720, 15152256, 16234560, 16835840, 17316864, 18940320, 20203008, 21646080, 22728384, 25253760, 25975296, 28410480, 28861440, 30304512, 32469120, 33671680, 37880640, 40406016, 43292160, 45456768, 50507520, 51950592, 56820960, 60609024, 64938240, 67343360, 75761280, 86584320, 90913536, 101015040, 113641920, 121218048, 129876480, 151522560, 181827072, 202030080, 227283840, 259752960, 303045120, 363654144, 454567680, 606090240, 909135360, 1818270720]

約数ペア:

[(1, 1818270720), (2, 909135360), (3, 606090240), (4, 454567680), (5, 363654144), (6, 303045120), (7, 259752960), (8, 227283840), (9, 202030080), (10, 181827072), (12, 151522560), (14, 129876480), (15, 121218048), (16, 113641920), (18, 101015040), (20, 90913536), (21, 86584320), (24, 75761280), (27, 67343360), (28, 64938240), (30, 60609024), (32, 56820960), (35, 51950592), (36, 50507520), (40, 45456768), (42, 43292160), (45, 40406016), (48, 37880640), (54, 33671680), (56, 32469120), (60, 30304512), (63, 28861440), (64, 28410480), (70, 25975296), (72, 25253760), (80, 22728384), (84, 21646080), (90, 20203008), (96, 18940320), (105, 17316864), (108, 16835840), (112, 16234560), (120, 15152256), (126, 14430720), (128, 14205240), (135, 13468672), (140, 12987648), (144, 12626880), (160, 11364192), (168, 10823040), (180, 10101504), (189, 9620480), (192, 9470160), (210, 8658432), (216, 8417920), (224, 8117280), (240, 7576128), (252, 7215360), (256, 7102620), (270, 6734336), (280, 6493824), (288, 6313440), (315, 5772288), (320, 5682096), (336, 5411520), (360, 5050752), (378, 4810240), (384, 4735080), (420, 4329216), (432, 4208960), (448, 4058640), (480, 3788064), (504, 3607680), (512, 3551310), (540, 3367168), (560, 3246912), (576, 3156720), (630, 2886144), (640, 2841048), (672, 2705760), (720, 2525376), (756, 2405120), (768, 2367540), (840, 2164608), (864, 2104480), (896, 2029320), (945, 1924096), (960, 1894032), (1008, 1803840), (1024, 1775655), (1080, 1683584), (1120, 1623456), (1152, 1578360), (1260, 1443072), (1280, 1420524), (1344, 1352880), (1440, 1262688), (1512, 1202560), (1536, 1183770), (1680, 1082304), (1728, 1052240), (1792, 1014660), (1879, 967680), (1890, 962048), (1920, 947016), (2016, 901920), (2160, 841792), (2240, 811728), (2304, 789180), (2520, 721536), (2560, 710262), (2688, 676440), (2880, 631344), (3024, 601280), (3072, 591885), (3360, 541152), (3456, 526120), (3584, 507330), (3758, 483840), (3780, 481024), (3840, 473508), (4032, 450960), (4320, 420896), (4480, 405864), (4608, 394590), (5040, 360768), (5120, 355131), (5376, 338220), (5637, 322560), (5760, 315672), (6048, 300640), (6720, 270576), (6912, 263060), (7168, 253665), (7516, 241920), (7560, 240512), (7680, 236754), (8064, 225480), (8640, 210448), (8960, 202932), (9216, 197295), (9395, 193536), (10080, 180384), (10752, 169110), (11274, 161280), (11520, 157836), (12096, 150320), (13153, 138240), (13440, 135288), (13824, 131530), (15032, 120960), (15120, 120256), (15360, 118377), (16128, 112740), (16911, 107520), (17280, 105224), (17920, 101466), (18790, 96768), (20160, 90192), (21504, 84555), (22548, 80640), (23040, 78918), (24192, 75160), (26306, 69120), (26880, 67644), (27648, 65765), (28185, 64512), (30064, 60480), (30240, 60128), (32256, 56370), (33822, 53760), (34560, 52612), (35840, 50733), (37580, 48384), (39459, 46080), (40320, 45096)]