256544640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4049}}^1$

素因数の和:4085

約数の個数: 192

約数和(自身を含む): 966654000

約数和(自身を除く): 710109360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 640, 660, 704, 720, 792, 880, 960, 990, 1056, 1152, 1320, 1408, 1440, 1584, 1760, 1920, 1980, 2112, 2640, 2880, 3168, 3520, 3960, 4049, 4224, 5280, 5760, 6336, 7040, 7920, 8098, 10560, 12147, 12672, 15840, 16196, 20245, 21120, 24294, 31680, 32392, 36441, 40490, 44539, 48588, 60735, 63360, 64784, 72882, 80980, 89078, 97176, 121470, 129568, 133617, 145764, 161960, 178156, 182205, 194352, 222695, 242940, 259136, 267234, 291528, 323920, 356312, 364410, 388704, 400851, 445390, 485880, 518272, 534468, 583056, 647840, 668085, 712624, 728820, 777408, 801702, 890780, 971760, 1068936, 1166112, 1295680, 1336170, 1425248, 1457640, 1554816, 1603404, 1781560, 1943520, 2004255, 2137872, 2332224, 2591360, 2672340, 2850496, 2915280, 3206808, 3563120, 3887040, 4008510, 4275744, 4664448, 5344680, 5700992, 5830560, 6413616, 7126240, 7774080, 8017020, 8551488, 10689360, 11661120, 12827232, 14252480, 16034040, 17102976, 21378720, 23322240, 25654464, 28504960, 32068080, 42757440, 51308928, 64136160, 85514880, 128272320, 256544640]

約数ペア:

[(1, 256544640), (2, 128272320), (3, 85514880), (4, 64136160), (5, 51308928), (6, 42757440), (8, 32068080), (9, 28504960), (10, 25654464), (11, 23322240), (12, 21378720), (15, 17102976), (16, 16034040), (18, 14252480), (20, 12827232), (22, 11661120), (24, 10689360), (30, 8551488), (32, 8017020), (33, 7774080), (36, 7126240), (40, 6413616), (44, 5830560), (45, 5700992), (48, 5344680), (55, 4664448), (60, 4275744), (64, 4008510), (66, 3887040), (72, 3563120), (80, 3206808), (88, 2915280), (90, 2850496), (96, 2672340), (99, 2591360), (110, 2332224), (120, 2137872), (128, 2004255), (132, 1943520), (144, 1781560), (160, 1603404), (165, 1554816), (176, 1457640), (180, 1425248), (192, 1336170), (198, 1295680), (220, 1166112), (240, 1068936), (264, 971760), (288, 890780), (320, 801702), (330, 777408), (352, 728820), (360, 712624), (384, 668085), (396, 647840), (440, 583056), (480, 534468), (495, 518272), (528, 485880), (576, 445390), (640, 400851), (660, 388704), (704, 364410), (720, 356312), (792, 323920), (880, 291528), (960, 267234), (990, 259136), (1056, 242940), (1152, 222695), (1320, 194352), (1408, 182205), (1440, 178156), (1584, 161960), (1760, 145764), (1920, 133617), (1980, 129568), (2112, 121470), (2640, 97176), (2880, 89078), (3168, 80980), (3520, 72882), (3960, 64784), (4049, 63360), (4224, 60735), (5280, 48588), (5760, 44539), (6336, 40490), (7040, 36441), (7920, 32392), (8098, 31680), (10560, 24294), (12147, 21120), (12672, 20245), (15840, 16196)]