20821570560

素因数分解:

$2^{10}\times 3^3\times 5^1\times 7^1\times {\mathrm{21517}}^1$

素因数の和:21558

約数の個数: 352

約数和(自身を含む): 84570904320

約数和(自身を除く): 63749333760

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, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2560, 2688, 2880, 3024, 3072, 3360, 3456, 3584, 3780, 3840, 4032, 4320, 4480, 4608, 5040, 5120, 5376, 5760, 6048, 6720, 6912, 7168, 7560, 7680, 8064, 8640, 8960, 9216, 10080, 10752, 11520, 12096, 13440, 13824, 15120, 15360, 16128, 17280, 17920, 20160, 21504, 21517, 23040, 24192, 26880, 27648, 30240, 32256, 34560, 35840, 40320, 43034, 46080, 48384, 53760, 60480, 64512, 64551, 69120, 80640, 86068, 96768, 107520, 107585, 120960, 129102, 138240, 150619, 161280, 172136, 193536, 193653, 215170, 241920, 258204, 301238, 322560, 322755, 344272, 387306, 430340, 451857, 483840, 516408, 580959, 602476, 645510, 688544, 753095, 774612, 860680, 903714, 967680, 968265, 1032816, 1161918, 1204952, 1291020, 1355571, 1377088, 1506190, 1549224, 1721360, 1807428, 1936530, 2065632, 2259285, 2323836, 2409904, 2582040, 2711142, 2754176, 2904795, 3012380, 3098448, 3442720, 3614856, 3873060, 4066713, 4131264, 4518570, 4647672, 4819808, 5164080, 5422284, 5508352, 5809590, 6024760, 6196896, 6777855, 6885440, 7229712, 7746120, 8133426, 8262528, 9037140, 9295344, 9639616, 10328160, 10844568, 11016704, 11619180, 12049520, 12393792, 13555710, 13770880, 14459424, 15492240, 16266852, 16525056, 18074280, 18590688, 19279232, 20333565, 20656320, 21689136, 22033408, 23238360, 24099040, 24787584, 27111420, 27541760, 28918848, 30984480, 32533704, 33050112, 36148560, 37181376, 38558464, 40667130, 41312640, 43378272, 46476720, 48198080, 49575168, 54222840, 55083520, 57837696, 61968960, 65067408, 66100224, 72297120, 74362752, 77116928, 81334260, 82625280, 86756544, 92953440, 96396160, 99150336, 108445680, 110167040, 115675392, 123937920, 130134816, 144594240, 148725504, 154233856, 162668520, 165250560, 173513088, 185906880, 192792320, 198300672, 216891360, 231350784, 247875840, 260269632, 289188480, 297451008, 325337040, 330501120, 347026176, 371813760, 385584640, 433782720, 462701568, 495751680, 520539264, 578376960, 594902016, 650674080, 694052352, 743627520, 771169280, 867565440, 991503360, 1041078528, 1156753920, 1301348160, 1388104704, 1487255040, 1735130880, 2082157056, 2313507840, 2602696320, 2974510080, 3470261760, 4164314112, 5205392640, 6940523520, 10410785280, 20821570560]

約数ペア:

[(1, 20821570560), (2, 10410785280), (3, 6940523520), (4, 5205392640), (5, 4164314112), (6, 3470261760), (7, 2974510080), (8, 2602696320), (9, 2313507840), (10, 2082157056), (12, 1735130880), (14, 1487255040), (15, 1388104704), (16, 1301348160), (18, 1156753920), (20, 1041078528), (21, 991503360), (24, 867565440), (27, 771169280), (28, 743627520), (30, 694052352), (32, 650674080), (35, 594902016), (36, 578376960), (40, 520539264), (42, 495751680), (45, 462701568), (48, 433782720), (54, 385584640), (56, 371813760), (60, 347026176), (63, 330501120), (64, 325337040), (70, 297451008), (72, 289188480), (80, 260269632), (84, 247875840), (90, 231350784), (96, 216891360), (105, 198300672), (108, 192792320), (112, 185906880), (120, 173513088), (126, 165250560), (128, 162668520), (135, 154233856), (140, 148725504), (144, 144594240), (160, 130134816), (168, 123937920), (180, 115675392), (189, 110167040), (192, 108445680), (210, 99150336), (216, 96396160), (224, 92953440), (240, 86756544), (252, 82625280), (256, 81334260), (270, 77116928), (280, 74362752), (288, 72297120), (315, 66100224), (320, 65067408), (336, 61968960), (360, 57837696), (378, 55083520), (384, 54222840), (420, 49575168), (432, 48198080), (448, 46476720), (480, 43378272), (504, 41312640), (512, 40667130), (540, 38558464), (560, 37181376), (576, 36148560), (630, 33050112), (640, 32533704), (672, 30984480), (720, 28918848), (756, 27541760), (768, 27111420), (840, 24787584), (864, 24099040), (896, 23238360), (945, 22033408), (960, 21689136), (1008, 20656320), (1024, 20333565), (1080, 19279232), (1120, 18590688), (1152, 18074280), (1260, 16525056), (1280, 16266852), (1344, 15492240), (1440, 14459424), (1512, 13770880), (1536, 13555710), (1680, 12393792), (1728, 12049520), (1792, 11619180), (1890, 11016704), (1920, 10844568), (2016, 10328160), (2160, 9639616), (2240, 9295344), (2304, 9037140), (2520, 8262528), (2560, 8133426), (2688, 7746120), (2880, 7229712), (3024, 6885440), (3072, 6777855), (3360, 6196896), (3456, 6024760), (3584, 5809590), (3780, 5508352), (3840, 5422284), (4032, 5164080), (4320, 4819808), (4480, 4647672), (4608, 4518570), (5040, 4131264), (5120, 4066713), (5376, 3873060), (5760, 3614856), (6048, 3442720), (6720, 3098448), (6912, 3012380), (7168, 2904795), (7560, 2754176), (7680, 2711142), (8064, 2582040), (8640, 2409904), (8960, 2323836), (9216, 2259285), (10080, 2065632), (10752, 1936530), (11520, 1807428), (12096, 1721360), (13440, 1549224), (13824, 1506190), (15120, 1377088), (15360, 1355571), (16128, 1291020), (17280, 1204952), (17920, 1161918), (20160, 1032816), (21504, 968265), (21517, 967680), (23040, 903714), (24192, 860680), (26880, 774612), (27648, 753095), (30240, 688544), (32256, 645510), (34560, 602476), (35840, 580959), (40320, 516408), (43034, 483840), (46080, 451857), (48384, 430340), (53760, 387306), (60480, 344272), (64512, 322755), (64551, 322560), (69120, 301238), (80640, 258204), (86068, 241920), (96768, 215170), (107520, 193653), (107585, 193536), (120960, 172136), (129102, 161280), (138240, 150619)]