20976642720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{77899}}^1$

素因数の和:77948

約数の個数: 288

約数和(自身を含む): 82684929600

約数和(自身を除く): 61708286880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 32, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 80, 85, 88, 90, 96, 99, 102, 110, 120, 132, 136, 144, 153, 160, 165, 170, 176, 180, 187, 198, 204, 220, 240, 255, 264, 272, 288, 306, 330, 340, 352, 360, 374, 396, 408, 440, 480, 495, 510, 528, 544, 561, 612, 660, 680, 720, 748, 765, 792, 816, 880, 935, 990, 1020, 1056, 1122, 1224, 1320, 1360, 1440, 1496, 1530, 1584, 1632, 1683, 1760, 1870, 1980, 2040, 2244, 2448, 2640, 2720, 2805, 2992, 3060, 3168, 3366, 3740, 3960, 4080, 4488, 4896, 5280, 5610, 5984, 6120, 6732, 7480, 7920, 8160, 8415, 8976, 11220, 12240, 13464, 14960, 15840, 16830, 17952, 22440, 24480, 26928, 29920, 33660, 44880, 53856, 67320, 77899, 89760, 134640, 155798, 233697, 269280, 311596, 389495, 467394, 623192, 701091, 778990, 856889, 934788, 1168485, 1246384, 1324283, 1402182, 1557980, 1713778, 1869576, 2336970, 2492768, 2570667, 2648566, 2804364, 3115960, 3427556, 3505455, 3739152, 3972849, 4284445, 4673940, 5141334, 5297132, 5608728, 6231920, 6621415, 6855112, 7010910, 7478304, 7712001, 7945698, 8568890, 9347880, 10282668, 10594264, 11217456, 11918547, 12463840, 12853335, 13242830, 13710224, 14021820, 14567113, 15424002, 15891396, 17137780, 18695760, 19864245, 20565336, 21188528, 22434912, 23837094, 25706670, 26485660, 27420448, 28043640, 29134226, 30848004, 31782792, 34275560, 37391520, 38560005, 39728490, 41130672, 42377056, 43701339, 47674188, 51413340, 52971320, 56087280, 58268452, 59592735, 61696008, 63565584, 68551120, 72835565, 77120010, 79456980, 82261344, 87402678, 95348376, 102826680, 105942640, 112174560, 116536904, 119185470, 123392016, 127131168, 131104017, 137102240, 145671130, 154240020, 158913960, 174805356, 190696752, 205653360, 211885280, 218506695, 233073808, 238370940, 246784032, 262208034, 291342260, 308480040, 317827920, 349610712, 381393504, 411306720, 437013390, 466147616, 476741880, 524416068, 582684520, 616960080, 635655840, 655520085, 699221424, 874026780, 953483760, 1048832136, 1165369040, 1233920160, 1311040170, 1398442848, 1748053560, 1906967520, 2097664272, 2330738080, 2622080340, 3496107120, 4195328544, 5244160680, 6992214240, 10488321360, 20976642720]

約数ペア:

[(1, 20976642720), (2, 10488321360), (3, 6992214240), (4, 5244160680), (5, 4195328544), (6, 3496107120), (8, 2622080340), (9, 2330738080), (10, 2097664272), (11, 1906967520), (12, 1748053560), (15, 1398442848), (16, 1311040170), (17, 1233920160), (18, 1165369040), (20, 1048832136), (22, 953483760), (24, 874026780), (30, 699221424), (32, 655520085), (33, 635655840), (34, 616960080), (36, 582684520), (40, 524416068), (44, 476741880), (45, 466147616), (48, 437013390), (51, 411306720), (55, 381393504), (60, 349610712), (66, 317827920), (68, 308480040), (72, 291342260), (80, 262208034), (85, 246784032), (88, 238370940), (90, 233073808), (96, 218506695), (99, 211885280), (102, 205653360), (110, 190696752), (120, 174805356), (132, 158913960), (136, 154240020), (144, 145671130), (153, 137102240), (160, 131104017), (165, 127131168), (170, 123392016), (176, 119185470), (180, 116536904), (187, 112174560), (198, 105942640), (204, 102826680), (220, 95348376), (240, 87402678), (255, 82261344), (264, 79456980), (272, 77120010), (288, 72835565), (306, 68551120), (330, 63565584), (340, 61696008), (352, 59592735), (360, 58268452), (374, 56087280), (396, 52971320), (408, 51413340), (440, 47674188), (480, 43701339), (495, 42377056), (510, 41130672), (528, 39728490), (544, 38560005), (561, 37391520), (612, 34275560), (660, 31782792), (680, 30848004), (720, 29134226), (748, 28043640), (765, 27420448), (792, 26485660), (816, 25706670), (880, 23837094), (935, 22434912), (990, 21188528), (1020, 20565336), (1056, 19864245), (1122, 18695760), (1224, 17137780), (1320, 15891396), (1360, 15424002), (1440, 14567113), (1496, 14021820), (1530, 13710224), (1584, 13242830), (1632, 12853335), (1683, 12463840), (1760, 11918547), (1870, 11217456), (1980, 10594264), (2040, 10282668), (2244, 9347880), (2448, 8568890), (2640, 7945698), (2720, 7712001), (2805, 7478304), (2992, 7010910), (3060, 6855112), (3168, 6621415), (3366, 6231920), (3740, 5608728), (3960, 5297132), (4080, 5141334), (4488, 4673940), (4896, 4284445), (5280, 3972849), (5610, 3739152), (5984, 3505455), (6120, 3427556), (6732, 3115960), (7480, 2804364), (7920, 2648566), (8160, 2570667), (8415, 2492768), (8976, 2336970), (11220, 1869576), (12240, 1713778), (13464, 1557980), (14960, 1402182), (15840, 1324283), (16830, 1246384), (17952, 1168485), (22440, 934788), (24480, 856889), (26928, 778990), (29920, 701091), (33660, 623192), (44880, 467394), (53856, 389495), (67320, 311596), (77899, 269280), (89760, 233697), (134640, 155798)]