12721950720

素因数分解:

$2^{12}\times 3^4\times 5^1\times {\mathrm{7669}}^1$

素因数の和:7710

約数の個数: 260

約数和(自身を含む): 45610928220

約数和(自身を除く): 32888977500

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, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2048, 2160, 2304, 2560, 2592, 2880, 3072, 3240, 3456, 3840, 4096, 4320, 4608, 5120, 5184, 5760, 6144, 6480, 6912, 7669, 7680, 8640, 9216, 10240, 10368, 11520, 12288, 12960, 13824, 15338, 15360, 17280, 18432, 20480, 20736, 23007, 23040, 25920, 27648, 30676, 30720, 34560, 36864, 38345, 41472, 46014, 46080, 51840, 55296, 61352, 61440, 69021, 69120, 76690, 82944, 92028, 92160, 103680, 110592, 115035, 122704, 138042, 138240, 153380, 165888, 184056, 184320, 207063, 207360, 230070, 245408, 276084, 276480, 306760, 331776, 345105, 368112, 414126, 414720, 460140, 490816, 552168, 552960, 613520, 621189, 690210, 736224, 828252, 829440, 920280, 981632, 1035315, 1104336, 1227040, 1242378, 1380420, 1472448, 1656504, 1658880, 1840560, 1963264, 2070630, 2208672, 2454080, 2484756, 2760840, 2944896, 3105945, 3313008, 3681120, 3926528, 4141260, 4417344, 4908160, 4969512, 5521680, 5889792, 6211890, 6626016, 7362240, 7853056, 8282520, 8834688, 9816320, 9939024, 11043360, 11779584, 12423780, 13252032, 14724480, 15706112, 16565040, 17669376, 19632640, 19878048, 22086720, 23559168, 24847560, 26504064, 29448960, 31412224, 33130080, 35338752, 39265280, 39756096, 44173440, 47118336, 49695120, 53008128, 58897920, 66260160, 70677504, 78530560, 79512192, 88346880, 94236672, 99390240, 106016256, 117795840, 132520320, 141355008, 157061120, 159024384, 176693760, 198780480, 212032512, 235591680, 265040640, 282710016, 318048768, 353387520, 397560960, 424065024, 471183360, 530081280, 636097536, 706775040, 795121920, 848130048, 1060162560, 1272195072, 1413550080, 1590243840, 2120325120, 2544390144, 3180487680, 4240650240, 6360975360, 12721950720]

約数ペア:

[(1, 12721950720), (2, 6360975360), (3, 4240650240), (4, 3180487680), (5, 2544390144), (6, 2120325120), (8, 1590243840), (9, 1413550080), (10, 1272195072), (12, 1060162560), (15, 848130048), (16, 795121920), (18, 706775040), (20, 636097536), (24, 530081280), (27, 471183360), (30, 424065024), (32, 397560960), (36, 353387520), (40, 318048768), (45, 282710016), (48, 265040640), (54, 235591680), (60, 212032512), (64, 198780480), (72, 176693760), (80, 159024384), (81, 157061120), (90, 141355008), (96, 132520320), (108, 117795840), (120, 106016256), (128, 99390240), (135, 94236672), (144, 88346880), (160, 79512192), (162, 78530560), (180, 70677504), (192, 66260160), (216, 58897920), (240, 53008128), (256, 49695120), (270, 47118336), (288, 44173440), (320, 39756096), (324, 39265280), (360, 35338752), (384, 33130080), (405, 31412224), (432, 29448960), (480, 26504064), (512, 24847560), (540, 23559168), (576, 22086720), (640, 19878048), (648, 19632640), (720, 17669376), (768, 16565040), (810, 15706112), (864, 14724480), (960, 13252032), (1024, 12423780), (1080, 11779584), (1152, 11043360), (1280, 9939024), (1296, 9816320), (1440, 8834688), (1536, 8282520), (1620, 7853056), (1728, 7362240), (1920, 6626016), (2048, 6211890), (2160, 5889792), (2304, 5521680), (2560, 4969512), (2592, 4908160), (2880, 4417344), (3072, 4141260), (3240, 3926528), (3456, 3681120), (3840, 3313008), (4096, 3105945), (4320, 2944896), (4608, 2760840), (5120, 2484756), (5184, 2454080), (5760, 2208672), (6144, 2070630), (6480, 1963264), (6912, 1840560), (7669, 1658880), (7680, 1656504), (8640, 1472448), (9216, 1380420), (10240, 1242378), (10368, 1227040), (11520, 1104336), (12288, 1035315), (12960, 981632), (13824, 920280), (15338, 829440), (15360, 828252), (17280, 736224), (18432, 690210), (20480, 621189), (20736, 613520), (23007, 552960), (23040, 552168), (25920, 490816), (27648, 460140), (30676, 414720), (30720, 414126), (34560, 368112), (36864, 345105), (38345, 331776), (41472, 306760), (46014, 276480), (46080, 276084), (51840, 245408), (55296, 230070), (61352, 207360), (61440, 207063), (69021, 184320), (69120, 184056), (76690, 165888), (82944, 153380), (92028, 138240), (92160, 138042), (103680, 122704), (110592, 115035)]