256622400

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 252

約数和(自身を含む): 928628064

約数和(自身を除く): 672005664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 71, 72, 75, 80, 90, 96, 100, 120, 142, 144, 150, 160, 180, 192, 200, 213, 225, 240, 251, 284, 288, 300, 320, 355, 360, 400, 426, 450, 480, 502, 568, 576, 600, 639, 710, 720, 753, 800, 852, 900, 960, 1004, 1065, 1136, 1200, 1255, 1278, 1420, 1440, 1506, 1600, 1704, 1775, 1800, 2008, 2130, 2259, 2272, 2400, 2510, 2556, 2840, 2880, 3012, 3195, 3408, 3550, 3600, 3765, 4016, 4260, 4518, 4544, 4800, 5020, 5112, 5325, 5680, 6024, 6275, 6390, 6816, 7100, 7200, 7530, 8032, 8520, 9036, 10040, 10224, 10650, 11295, 11360, 12048, 12550, 12780, 13632, 14200, 14400, 15060, 15975, 16064, 17040, 17821, 18072, 18825, 20080, 20448, 21300, 22590, 22720, 24096, 25100, 25560, 28400, 30120, 31950, 34080, 35642, 36144, 37650, 40160, 40896, 42600, 45180, 48192, 50200, 51120, 53463, 56475, 56800, 60240, 63900, 68160, 71284, 72288, 75300, 80320, 85200, 89105, 90360, 100400, 102240, 106926, 112950, 113600, 120480, 127800, 142568, 144576, 150600, 160389, 170400, 178210, 180720, 200800, 204480, 213852, 225900, 240960, 255600, 267315, 285136, 301200, 320778, 340800, 356420, 361440, 401600, 427704, 445525, 451800, 511200, 534630, 570272, 602400, 641556, 712840, 722880, 801945, 855408, 891050, 903600, 1022400, 1069260, 1140544, 1204800, 1283112, 1336575, 1425680, 1603890, 1710816, 1782100, 1807200, 2138520, 2566224, 2673150, 2851360, 3207780, 3421632, 3564200, 3614400, 4009725, 4277040, 5132448, 5346300, 5702720, 6415560, 7128400, 8019450, 8554080, 10264896, 10692600, 12831120, 14256800, 16038900, 17108160, 21385200, 25662240, 28513600, 32077800, 42770400, 51324480, 64155600, 85540800, 128311200, 256622400]

約数ペア:

[(1, 256622400), (2, 128311200), (3, 85540800), (4, 64155600), (5, 51324480), (6, 42770400), (8, 32077800), (9, 28513600), (10, 25662240), (12, 21385200), (15, 17108160), (16, 16038900), (18, 14256800), (20, 12831120), (24, 10692600), (25, 10264896), (30, 8554080), (32, 8019450), (36, 7128400), (40, 6415560), (45, 5702720), (48, 5346300), (50, 5132448), (60, 4277040), (64, 4009725), (71, 3614400), (72, 3564200), (75, 3421632), (80, 3207780), (90, 2851360), (96, 2673150), (100, 2566224), (120, 2138520), (142, 1807200), (144, 1782100), (150, 1710816), (160, 1603890), (180, 1425680), (192, 1336575), (200, 1283112), (213, 1204800), (225, 1140544), (240, 1069260), (251, 1022400), (284, 903600), (288, 891050), (300, 855408), (320, 801945), (355, 722880), (360, 712840), (400, 641556), (426, 602400), (450, 570272), (480, 534630), (502, 511200), (568, 451800), (576, 445525), (600, 427704), (639, 401600), (710, 361440), (720, 356420), (753, 340800), (800, 320778), (852, 301200), (900, 285136), (960, 267315), (1004, 255600), (1065, 240960), (1136, 225900), (1200, 213852), (1255, 204480), (1278, 200800), (1420, 180720), (1440, 178210), (1506, 170400), (1600, 160389), (1704, 150600), (1775, 144576), (1800, 142568), (2008, 127800), (2130, 120480), (2259, 113600), (2272, 112950), (2400, 106926), (2510, 102240), (2556, 100400), (2840, 90360), (2880, 89105), (3012, 85200), (3195, 80320), (3408, 75300), (3550, 72288), (3600, 71284), (3765, 68160), (4016, 63900), (4260, 60240), (4518, 56800), (4544, 56475), (4800, 53463), (5020, 51120), (5112, 50200), (5325, 48192), (5680, 45180), (6024, 42600), (6275, 40896), (6390, 40160), (6816, 37650), (7100, 36144), (7200, 35642), (7530, 34080), (8032, 31950), (8520, 30120), (9036, 28400), (10040, 25560), (10224, 25100), (10650, 24096), (11295, 22720), (11360, 22590), (12048, 21300), (12550, 20448), (12780, 20080), (13632, 18825), (14200, 18072), (14400, 17821), (15060, 17040), (15975, 16064)]