20489604480

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{131749}}^1$

素因数の和:131783

約数の個数: 192

約数和(自身を含む): 73374210000

約数和(自身を除く): 52884605520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 810, 864, 960, 972, 1080, 1152, 1215, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2430, 2592, 2880, 3240, 3456, 3888, 4320, 4860, 5184, 5760, 6480, 7776, 8640, 9720, 10368, 12960, 15552, 17280, 19440, 25920, 31104, 38880, 51840, 77760, 131749, 155520, 263498, 395247, 526996, 658745, 790494, 1053992, 1185741, 1317490, 1580988, 1976235, 2107984, 2371482, 2634980, 3161976, 3557223, 3952470, 4215968, 4742964, 5269960, 5928705, 6323952, 7114446, 7904940, 8431936, 9485928, 10539920, 10671669, 11857410, 12647904, 14228892, 15809880, 16863872, 17786115, 18971856, 21079840, 21343338, 23714820, 25295808, 28457784, 31619760, 32015007, 35572230, 37943712, 42159680, 42686676, 47429640, 50591616, 53358345, 56915568, 63239520, 64030014, 71144460, 75887424, 84319360, 85373352, 94859280, 106716690, 113831136, 126479040, 128060028, 142288920, 151774848, 160075035, 170746704, 189718560, 213433380, 227662272, 252958080, 256120056, 284577840, 320150070, 341493408, 379437120, 426866760, 455324544, 512240112, 569155680, 640300140, 682986816, 758874240, 853733520, 1024480224, 1138311360, 1280600280, 1365973632, 1707467040, 2048960448, 2276622720, 2561200560, 3414934080, 4097920896, 5122401120, 6829868160, 10244802240, 20489604480]

約数ペア:

[(1, 20489604480), (2, 10244802240), (3, 6829868160), (4, 5122401120), (5, 4097920896), (6, 3414934080), (8, 2561200560), (9, 2276622720), (10, 2048960448), (12, 1707467040), (15, 1365973632), (16, 1280600280), (18, 1138311360), (20, 1024480224), (24, 853733520), (27, 758874240), (30, 682986816), (32, 640300140), (36, 569155680), (40, 512240112), (45, 455324544), (48, 426866760), (54, 379437120), (60, 341493408), (64, 320150070), (72, 284577840), (80, 256120056), (81, 252958080), (90, 227662272), (96, 213433380), (108, 189718560), (120, 170746704), (128, 160075035), (135, 151774848), (144, 142288920), (160, 128060028), (162, 126479040), (180, 113831136), (192, 106716690), (216, 94859280), (240, 85373352), (243, 84319360), (270, 75887424), (288, 71144460), (320, 64030014), (324, 63239520), (360, 56915568), (384, 53358345), (405, 50591616), (432, 47429640), (480, 42686676), (486, 42159680), (540, 37943712), (576, 35572230), (640, 32015007), (648, 31619760), (720, 28457784), (810, 25295808), (864, 23714820), (960, 21343338), (972, 21079840), (1080, 18971856), (1152, 17786115), (1215, 16863872), (1296, 15809880), (1440, 14228892), (1620, 12647904), (1728, 11857410), (1920, 10671669), (1944, 10539920), (2160, 9485928), (2430, 8431936), (2592, 7904940), (2880, 7114446), (3240, 6323952), (3456, 5928705), (3888, 5269960), (4320, 4742964), (4860, 4215968), (5184, 3952470), (5760, 3557223), (6480, 3161976), (7776, 2634980), (8640, 2371482), (9720, 2107984), (10368, 1976235), (12960, 1580988), (15552, 1317490), (17280, 1185741), (19440, 1053992), (25920, 790494), (31104, 658745), (38880, 526996), (51840, 395247), (77760, 263498), (131749, 155520)]