20493768960

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{84713}}^1$

素因数の和:84750

約数の個数: 288

約数和(自身を含む): 83114599680

約数和(自身を除く): 62620830720

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, 84713, 120960, 169426, 241920, 254139, 338852, 423565, 508278, 592991, 677704, 762417, 847130, 1016556, 1185982, 1270695, 1355408, 1524834, 1694260, 1778973, 2033112, 2287251, 2371964, 2541390, 2710816, 2964955, 3049668, 3388520, 3557946, 3812085, 4066224, 4574502, 4743928, 5082780, 5336919, 5421632, 5929910, 6099336, 6777040, 7115892, 7624170, 8132448, 8894865, 9149004, 9487856, 10165560, 10673838, 10843264, 11436255, 11859820, 12198672, 13554080, 14231784, 15248340, 16010757, 16264896, 17789730, 18298008, 18975712, 20331120, 21347676, 21686528, 22872510, 23719640, 24397344, 26684595, 27108160, 28463568, 30496680, 32021514, 32529792, 35579460, 36596016, 37951424, 40662240, 42695352, 45745020, 47439280, 48794688, 53369190, 54216320, 56927136, 60993360, 64043028, 65059584, 71158920, 73192032, 75902848, 80053785, 81324480, 85390704, 91490040, 94878560, 97589376, 106738380, 108432640, 113854272, 121986720, 128086056, 142317840, 146384064, 151805696, 160107570, 162648960, 170781408, 182980080, 189757120, 195178752, 213476760, 227708544, 243973440, 256172112, 284635680, 292768128, 320215140, 325297920, 341562816, 365960160, 379514240, 426953520, 455417088, 487946880, 512344224, 569271360, 585536256, 640430280, 683125632, 731920320, 759028480, 853907040, 975893760, 1024688448, 1138542720, 1280860560, 1366251264, 1463840640, 1707814080, 2049376896, 2277085440, 2561721120, 2927681280, 3415628160, 4098753792, 5123442240, 6831256320, 10246884480, 20493768960]

約数ペア:

[(1, 20493768960), (2, 10246884480), (3, 6831256320), (4, 5123442240), (5, 4098753792), (6, 3415628160), (7, 2927681280), (8, 2561721120), (9, 2277085440), (10, 2049376896), (12, 1707814080), (14, 1463840640), (15, 1366251264), (16, 1280860560), (18, 1138542720), (20, 1024688448), (21, 975893760), (24, 853907040), (27, 759028480), (28, 731920320), (30, 683125632), (32, 640430280), (35, 585536256), (36, 569271360), (40, 512344224), (42, 487946880), (45, 455417088), (48, 426953520), (54, 379514240), (56, 365960160), (60, 341562816), (63, 325297920), (64, 320215140), (70, 292768128), (72, 284635680), (80, 256172112), (84, 243973440), (90, 227708544), (96, 213476760), (105, 195178752), (108, 189757120), (112, 182980080), (120, 170781408), (126, 162648960), (128, 160107570), (135, 151805696), (140, 146384064), (144, 142317840), (160, 128086056), (168, 121986720), (180, 113854272), (189, 108432640), (192, 106738380), (210, 97589376), (216, 94878560), (224, 91490040), (240, 85390704), (252, 81324480), (256, 80053785), (270, 75902848), (280, 73192032), (288, 71158920), (315, 65059584), (320, 64043028), (336, 60993360), (360, 56927136), (378, 54216320), (384, 53369190), (420, 48794688), (432, 47439280), (448, 45745020), (480, 42695352), (504, 40662240), (540, 37951424), (560, 36596016), (576, 35579460), (630, 32529792), (640, 32021514), (672, 30496680), (720, 28463568), (756, 27108160), (768, 26684595), (840, 24397344), (864, 23719640), (896, 22872510), (945, 21686528), (960, 21347676), (1008, 20331120), (1080, 18975712), (1120, 18298008), (1152, 17789730), (1260, 16264896), (1280, 16010757), (1344, 15248340), (1440, 14231784), (1512, 13554080), (1680, 12198672), (1728, 11859820), (1792, 11436255), (1890, 10843264), (1920, 10673838), (2016, 10165560), (2160, 9487856), (2240, 9149004), (2304, 8894865), (2520, 8132448), (2688, 7624170), (2880, 7115892), (3024, 6777040), (3360, 6099336), (3456, 5929910), (3780, 5421632), (3840, 5336919), (4032, 5082780), (4320, 4743928), (4480, 4574502), (5040, 4066224), (5376, 3812085), (5760, 3557946), (6048, 3388520), (6720, 3049668), (6912, 2964955), (7560, 2710816), (8064, 2541390), (8640, 2371964), (8960, 2287251), (10080, 2033112), (11520, 1778973), (12096, 1694260), (13440, 1524834), (15120, 1355408), (16128, 1270695), (17280, 1185982), (20160, 1016556), (24192, 847130), (26880, 762417), (30240, 677704), (34560, 592991), (40320, 508278), (48384, 423565), (60480, 338852), (80640, 254139), (84713, 241920), (120960, 169426)]