20865254400

素因数分解:

$2^{10}\times 3^3\times 5^2\times {\mathrm{30187}}^1$

素因数の和:30226

約数の個数: 264

約数和(自身を含む): 76625596640

約数和(自身を除く): 55760342240

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, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 256, 270, 288, 300, 320, 360, 384, 400, 432, 450, 480, 512, 540, 576, 600, 640, 675, 720, 768, 800, 864, 900, 960, 1024, 1080, 1152, 1200, 1280, 1350, 1440, 1536, 1600, 1728, 1800, 1920, 2160, 2304, 2400, 2560, 2700, 2880, 3072, 3200, 3456, 3600, 3840, 4320, 4608, 4800, 5120, 5400, 5760, 6400, 6912, 7200, 7680, 8640, 9216, 9600, 10800, 11520, 12800, 13824, 14400, 15360, 17280, 19200, 21600, 23040, 25600, 27648, 28800, 30187, 34560, 38400, 43200, 46080, 57600, 60374, 69120, 76800, 86400, 90561, 115200, 120748, 138240, 150935, 172800, 181122, 230400, 241496, 271683, 301870, 345600, 362244, 452805, 482992, 543366, 603740, 691200, 724488, 754675, 815049, 905610, 965984, 1086732, 1207480, 1358415, 1448976, 1509350, 1630098, 1811220, 1931968, 2173464, 2264025, 2414960, 2716830, 2897952, 3018700, 3260196, 3622440, 3863936, 4075245, 4346928, 4528050, 4829920, 5433660, 5795904, 6037400, 6520392, 6792075, 7244880, 7727872, 8150490, 8693856, 9056100, 9659840, 10867320, 11591808, 12074800, 13040784, 13584150, 14489760, 15455744, 16300980, 17387712, 18112200, 19319680, 20376225, 21734640, 23183616, 24149600, 26081568, 27168300, 28979520, 30911488, 32601960, 34775424, 36224400, 38639360, 40752450, 43469280, 46367232, 48299200, 52163136, 54336600, 57959040, 65203920, 69550848, 72448800, 77278720, 81504900, 86938560, 92734464, 96598400, 104326272, 108673200, 115918080, 130407840, 139101696, 144897600, 154557440, 163009800, 173877120, 193196800, 208652544, 217346400, 231836160, 260815680, 278203392, 289795200, 326019600, 347754240, 386393600, 417305088, 434692800, 463672320, 521631360, 579590400, 652039200, 695508480, 772787200, 834610176, 869385600, 1043262720, 1159180800, 1304078400, 1391016960, 1738771200, 2086525440, 2318361600, 2608156800, 3477542400, 4173050880, 5216313600, 6955084800, 10432627200, 20865254400]

約数ペア:

[(1, 20865254400), (2, 10432627200), (3, 6955084800), (4, 5216313600), (5, 4173050880), (6, 3477542400), (8, 2608156800), (9, 2318361600), (10, 2086525440), (12, 1738771200), (15, 1391016960), (16, 1304078400), (18, 1159180800), (20, 1043262720), (24, 869385600), (25, 834610176), (27, 772787200), (30, 695508480), (32, 652039200), (36, 579590400), (40, 521631360), (45, 463672320), (48, 434692800), (50, 417305088), (54, 386393600), (60, 347754240), (64, 326019600), (72, 289795200), (75, 278203392), (80, 260815680), (90, 231836160), (96, 217346400), (100, 208652544), (108, 193196800), (120, 173877120), (128, 163009800), (135, 154557440), (144, 144897600), (150, 139101696), (160, 130407840), (180, 115918080), (192, 108673200), (200, 104326272), (216, 96598400), (225, 92734464), (240, 86938560), (256, 81504900), (270, 77278720), (288, 72448800), (300, 69550848), (320, 65203920), (360, 57959040), (384, 54336600), (400, 52163136), (432, 48299200), (450, 46367232), (480, 43469280), (512, 40752450), (540, 38639360), (576, 36224400), (600, 34775424), (640, 32601960), (675, 30911488), (720, 28979520), (768, 27168300), (800, 26081568), (864, 24149600), (900, 23183616), (960, 21734640), (1024, 20376225), (1080, 19319680), (1152, 18112200), (1200, 17387712), (1280, 16300980), (1350, 15455744), (1440, 14489760), (1536, 13584150), (1600, 13040784), (1728, 12074800), (1800, 11591808), (1920, 10867320), (2160, 9659840), (2304, 9056100), (2400, 8693856), (2560, 8150490), (2700, 7727872), (2880, 7244880), (3072, 6792075), (3200, 6520392), (3456, 6037400), (3600, 5795904), (3840, 5433660), (4320, 4829920), (4608, 4528050), (4800, 4346928), (5120, 4075245), (5400, 3863936), (5760, 3622440), (6400, 3260196), (6912, 3018700), (7200, 2897952), (7680, 2716830), (8640, 2414960), (9216, 2264025), (9600, 2173464), (10800, 1931968), (11520, 1811220), (12800, 1630098), (13824, 1509350), (14400, 1448976), (15360, 1358415), (17280, 1207480), (19200, 1086732), (21600, 965984), (23040, 905610), (25600, 815049), (27648, 754675), (28800, 724488), (30187, 691200), (34560, 603740), (38400, 543366), (43200, 482992), (46080, 452805), (57600, 362244), (60374, 345600), (69120, 301870), (76800, 271683), (86400, 241496), (90561, 230400), (115200, 181122), (120748, 172800), (138240, 150935)]