21641921280

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{89459}}^1$

素因数の和:89496

約数の個数: 288

約数和(自身を含む): 87770995200

約数和(自身を除く): 66129073920

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, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 5040, 5376, 5760, 6048, 6720, 6912, 7560, 8064, 8640, 8960, 10080, 11520, 12096, 13440, 15120, 16128, 17280, 20160, 24192, 26880, 30240, 34560, 40320, 48384, 60480, 80640, 89459, 120960, 178918, 241920, 268377, 357836, 447295, 536754, 626213, 715672, 805131, 894590, 1073508, 1252426, 1341885, 1431344, 1610262, 1789180, 1878639, 2147016, 2415393, 2504852, 2683770, 2862688, 3131065, 3220524, 3578360, 3757278, 4025655, 4294032, 4830786, 5009704, 5367540, 5635917, 5725376, 6262130, 6441048, 7156720, 7514556, 8051310, 8588064, 9393195, 9661572, 10019408, 10735080, 11271834, 11450752, 12076965, 12524260, 12882096, 14313440, 15029112, 16102620, 16907751, 17176128, 18786390, 19323144, 20038816, 21470160, 22543668, 22901504, 24153930, 25048520, 25764192, 28179585, 28626880, 30058224, 32205240, 33815502, 34352256, 37572780, 38646288, 40077632, 42940320, 45087336, 48307860, 50097040, 51528384, 56359170, 57253760, 60116448, 64410480, 67631004, 68704512, 75145560, 77292576, 80155264, 84538755, 85880640, 90174672, 96615720, 100194080, 103056768, 112718340, 114507520, 120232896, 128820960, 135262008, 150291120, 154585152, 160310528, 169077510, 171761280, 180349344, 193231440, 200388160, 206113536, 225436680, 240465792, 257641920, 270524016, 300582240, 309170304, 338155020, 343522560, 360698688, 386462880, 400776320, 450873360, 480931584, 515283840, 541048032, 601164480, 618340608, 676310040, 721397376, 772925760, 801552640, 901746720, 1030567680, 1082096064, 1202328960, 1352620080, 1442794752, 1545851520, 1803493440, 2164192128, 2404657920, 2705240160, 3091703040, 3606986880, 4328384256, 5410480320, 7213973760, 10820960640, 21641921280]

約数ペア:

[(1, 21641921280), (2, 10820960640), (3, 7213973760), (4, 5410480320), (5, 4328384256), (6, 3606986880), (7, 3091703040), (8, 2705240160), (9, 2404657920), (10, 2164192128), (12, 1803493440), (14, 1545851520), (15, 1442794752), (16, 1352620080), (18, 1202328960), (20, 1082096064), (21, 1030567680), (24, 901746720), (27, 801552640), (28, 772925760), (30, 721397376), (32, 676310040), (35, 618340608), (36, 601164480), (40, 541048032), (42, 515283840), (45, 480931584), (48, 450873360), (54, 400776320), (56, 386462880), (60, 360698688), (63, 343522560), (64, 338155020), (70, 309170304), (72, 300582240), (80, 270524016), (84, 257641920), (90, 240465792), (96, 225436680), (105, 206113536), (108, 200388160), (112, 193231440), (120, 180349344), (126, 171761280), (128, 169077510), (135, 160310528), (140, 154585152), (144, 150291120), (160, 135262008), (168, 128820960), (180, 120232896), (189, 114507520), (192, 112718340), (210, 103056768), (216, 100194080), (224, 96615720), (240, 90174672), (252, 85880640), (256, 84538755), (270, 80155264), (280, 77292576), (288, 75145560), (315, 68704512), (320, 67631004), (336, 64410480), (360, 60116448), (378, 57253760), (384, 56359170), (420, 51528384), (432, 50097040), (448, 48307860), (480, 45087336), (504, 42940320), (540, 40077632), (560, 38646288), (576, 37572780), (630, 34352256), (640, 33815502), (672, 32205240), (720, 30058224), (756, 28626880), (768, 28179585), (840, 25764192), (864, 25048520), (896, 24153930), (945, 22901504), (960, 22543668), (1008, 21470160), (1080, 20038816), (1120, 19323144), (1152, 18786390), (1260, 17176128), (1280, 16907751), (1344, 16102620), (1440, 15029112), (1512, 14313440), (1680, 12882096), (1728, 12524260), (1792, 12076965), (1890, 11450752), (1920, 11271834), (2016, 10735080), (2160, 10019408), (2240, 9661572), (2304, 9393195), (2520, 8588064), (2688, 8051310), (2880, 7514556), (3024, 7156720), (3360, 6441048), (3456, 6262130), (3780, 5725376), (3840, 5635917), (4032, 5367540), (4320, 5009704), (4480, 4830786), (5040, 4294032), (5376, 4025655), (5760, 3757278), (6048, 3578360), (6720, 3220524), (6912, 3131065), (7560, 2862688), (8064, 2683770), (8640, 2504852), (8960, 2415393), (10080, 2147016), (11520, 1878639), (12096, 1789180), (13440, 1610262), (15120, 1431344), (16128, 1341885), (17280, 1252426), (20160, 1073508), (24192, 894590), (26880, 805131), (30240, 715672), (34560, 626213), (40320, 536754), (48384, 447295), (60480, 357836), (80640, 268377), (89459, 241920), (120960, 178918)]