281126880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1209

約数の個数: 144

約数和(自身を含む): 965188224

約数和(自身を除く): 684061344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 197, 240, 288, 360, 394, 480, 591, 720, 788, 985, 991, 1182, 1440, 1576, 1773, 1970, 1982, 2364, 2955, 2973, 3152, 3546, 3940, 3964, 4728, 4955, 5910, 5946, 6304, 7092, 7880, 7928, 8865, 8919, 9456, 9910, 11820, 11892, 14184, 14865, 15760, 15856, 17730, 17838, 18912, 19820, 23640, 23784, 28368, 29730, 31520, 31712, 35460, 35676, 39640, 44595, 47280, 47568, 56736, 59460, 70920, 71352, 79280, 89190, 94560, 95136, 118920, 141840, 142704, 158560, 178380, 195227, 237840, 283680, 285408, 356760, 390454, 475680, 585681, 713520, 780908, 976135, 1171362, 1427040, 1561816, 1757043, 1952270, 2342724, 2928405, 3123632, 3514086, 3904540, 4685448, 5856810, 6247264, 7028172, 7809080, 8785215, 9370896, 11713620, 14056344, 15618160, 17570430, 18741792, 23427240, 28112688, 31236320, 35140860, 46854480, 56225376, 70281720, 93708960, 140563440, 281126880]

約数ペア:

[(1, 281126880), (2, 140563440), (3, 93708960), (4, 70281720), (5, 56225376), (6, 46854480), (8, 35140860), (9, 31236320), (10, 28112688), (12, 23427240), (15, 18741792), (16, 17570430), (18, 15618160), (20, 14056344), (24, 11713620), (30, 9370896), (32, 8785215), (36, 7809080), (40, 7028172), (45, 6247264), (48, 5856810), (60, 4685448), (72, 3904540), (80, 3514086), (90, 3123632), (96, 2928405), (120, 2342724), (144, 1952270), (160, 1757043), (180, 1561816), (197, 1427040), (240, 1171362), (288, 976135), (360, 780908), (394, 713520), (480, 585681), (591, 475680), (720, 390454), (788, 356760), (985, 285408), (991, 283680), (1182, 237840), (1440, 195227), (1576, 178380), (1773, 158560), (1970, 142704), (1982, 141840), (2364, 118920), (2955, 95136), (2973, 94560), (3152, 89190), (3546, 79280), (3940, 71352), (3964, 70920), (4728, 59460), (4955, 56736), (5910, 47568), (5946, 47280), (6304, 44595), (7092, 39640), (7880, 35676), (7928, 35460), (8865, 31712), (8919, 31520), (9456, 29730), (9910, 28368), (11820, 23784), (11892, 23640), (14184, 19820), (14865, 18912), (15760, 17838), (15856, 17730)]