20671480800

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{641}}^1\times {\mathrm{1493}}^1$

素因数の和:2163

約数の個数: 288

約数和(自身を含む): 74928641760

約数和(自身を除く): 54257160960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 270, 288, 300, 360, 400, 432, 450, 480, 540, 600, 641, 675, 720, 800, 864, 900, 1080, 1200, 1282, 1350, 1440, 1493, 1800, 1923, 2160, 2400, 2564, 2700, 2986, 3205, 3600, 3846, 4320, 4479, 5128, 5400, 5769, 5972, 6410, 7200, 7465, 7692, 8958, 9615, 10256, 10800, 11538, 11944, 12820, 13437, 14930, 15384, 16025, 17307, 17916, 19230, 20512, 21600, 22395, 23076, 23888, 25640, 26874, 28845, 29860, 30768, 32050, 34614, 35832, 37325, 38460, 40311, 44790, 46152, 47776, 48075, 51280, 53748, 57690, 59720, 61536, 64100, 67185, 69228, 71664, 74650, 76920, 80622, 86535, 89580, 92304, 96150, 102560, 107496, 111975, 115380, 119440, 128200, 134370, 138456, 143328, 144225, 149300, 153840, 161244, 173070, 179160, 184608, 192300, 201555, 214992, 223950, 230760, 238880, 256400, 268740, 276912, 288450, 298600, 307680, 322488, 335925, 346140, 358320, 384600, 403110, 429984, 432675, 447900, 461520, 512800, 537480, 553824, 576900, 597200, 644976, 671850, 692280, 716640, 769200, 806220, 865350, 895800, 923040, 957013, 1007775, 1074960, 1153800, 1194400, 1289952, 1343700, 1384560, 1538400, 1612440, 1730700, 1791600, 1914026, 2015550, 2149920, 2307600, 2687400, 2769120, 2871039, 3224880, 3461400, 3583200, 3828052, 4031100, 4615200, 4785065, 5374800, 5742078, 6449760, 6922800, 7656104, 8062200, 8613117, 9570130, 10749600, 11484156, 13845600, 14355195, 15312208, 16124400, 17226234, 19140260, 22968312, 23925325, 25839351, 28710390, 30624416, 32248800, 34452468, 38280520, 43065585, 45936624, 47850650, 51678702, 57420780, 68904936, 71775975, 76561040, 86131170, 91873248, 95701300, 103357404, 114841560, 129196755, 137809872, 143551950, 153122080, 172262340, 191402600, 206714808, 215327925, 229683120, 258393510, 275619744, 287103900, 344524680, 382805200, 413429616, 430655850, 459366240, 516787020, 574207800, 645983775, 689049360, 765610400, 826859232, 861311700, 1033574040, 1148415600, 1291967550, 1378098720, 1722623400, 2067148080, 2296831200, 2583935100, 3445246800, 4134296160, 5167870200, 6890493600, 10335740400, 20671480800]

約数ペア:

[(1, 20671480800), (2, 10335740400), (3, 6890493600), (4, 5167870200), (5, 4134296160), (6, 3445246800), (8, 2583935100), (9, 2296831200), (10, 2067148080), (12, 1722623400), (15, 1378098720), (16, 1291967550), (18, 1148415600), (20, 1033574040), (24, 861311700), (25, 826859232), (27, 765610400), (30, 689049360), (32, 645983775), (36, 574207800), (40, 516787020), (45, 459366240), (48, 430655850), (50, 413429616), (54, 382805200), (60, 344524680), (72, 287103900), (75, 275619744), (80, 258393510), (90, 229683120), (96, 215327925), (100, 206714808), (108, 191402600), (120, 172262340), (135, 153122080), (144, 143551950), (150, 137809872), (160, 129196755), (180, 114841560), (200, 103357404), (216, 95701300), (225, 91873248), (240, 86131170), (270, 76561040), (288, 71775975), (300, 68904936), (360, 57420780), (400, 51678702), (432, 47850650), (450, 45936624), (480, 43065585), (540, 38280520), (600, 34452468), (641, 32248800), (675, 30624416), (720, 28710390), (800, 25839351), (864, 23925325), (900, 22968312), (1080, 19140260), (1200, 17226234), (1282, 16124400), (1350, 15312208), (1440, 14355195), (1493, 13845600), (1800, 11484156), (1923, 10749600), (2160, 9570130), (2400, 8613117), (2564, 8062200), (2700, 7656104), (2986, 6922800), (3205, 6449760), (3600, 5742078), (3846, 5374800), (4320, 4785065), (4479, 4615200), (5128, 4031100), (5400, 3828052), (5769, 3583200), (5972, 3461400), (6410, 3224880), (7200, 2871039), (7465, 2769120), (7692, 2687400), (8958, 2307600), (9615, 2149920), (10256, 2015550), (10800, 1914026), (11538, 1791600), (11944, 1730700), (12820, 1612440), (13437, 1538400), (14930, 1384560), (15384, 1343700), (16025, 1289952), (17307, 1194400), (17916, 1153800), (19230, 1074960), (20512, 1007775), (21600, 957013), (22395, 923040), (23076, 895800), (23888, 865350), (25640, 806220), (26874, 769200), (28845, 716640), (29860, 692280), (30768, 671850), (32050, 644976), (34614, 597200), (35832, 576900), (37325, 553824), (38460, 537480), (40311, 512800), (44790, 461520), (46152, 447900), (47776, 432675), (48075, 429984), (51280, 403110), (53748, 384600), (57690, 358320), (59720, 346140), (61536, 335925), (64100, 322488), (67185, 307680), (69228, 298600), (71664, 288450), (74650, 276912), (76920, 268740), (80622, 256400), (86535, 238880), (89580, 230760), (92304, 223950), (96150, 214992), (102560, 201555), (107496, 192300), (111975, 184608), (115380, 179160), (119440, 173070), (128200, 161244), (134370, 153840), (138456, 149300), (143328, 144225)]