256337280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:449

約数の個数: 192

約数和(自身を含む): 893617920

約数和(自身を除く): 637280640

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 191, 192, 233, 240, 288, 320, 360, 382, 384, 466, 480, 573, 576, 640, 699, 720, 764, 932, 955, 960, 1146, 1152, 1165, 1398, 1440, 1528, 1719, 1864, 1910, 1920, 2097, 2292, 2330, 2796, 2865, 2880, 3056, 3438, 3495, 3728, 3820, 4194, 4584, 4660, 5592, 5730, 5760, 6112, 6876, 6990, 7456, 7640, 8388, 8595, 9168, 9320, 10485, 11184, 11460, 12224, 13752, 13980, 14912, 15280, 16776, 17190, 18336, 18640, 20970, 22368, 22920, 24448, 27504, 27960, 29824, 30560, 33552, 34380, 36672, 37280, 41940, 44503, 44736, 45840, 55008, 55920, 61120, 67104, 68760, 73344, 74560, 83880, 89006, 89472, 91680, 110016, 111840, 122240, 133509, 134208, 137520, 149120, 167760, 178012, 183360, 220032, 222515, 223680, 267018, 268416, 275040, 335520, 356024, 366720, 400527, 445030, 447360, 534036, 550080, 667545, 671040, 712048, 801054, 890060, 1068072, 1100160, 1335090, 1342080, 1424096, 1602108, 1780120, 2002635, 2136144, 2670180, 2848192, 3204216, 3560240, 4005270, 4272288, 5340360, 5696384, 6408432, 7120480, 8010540, 8544576, 10680720, 12816864, 14240960, 16021080, 17089152, 21361440, 25633728, 28481920, 32042160, 42722880, 51267456, 64084320, 85445760, 128168640, 256337280]

約数ペア:

[(1, 256337280), (2, 128168640), (3, 85445760), (4, 64084320), (5, 51267456), (6, 42722880), (8, 32042160), (9, 28481920), (10, 25633728), (12, 21361440), (15, 17089152), (16, 16021080), (18, 14240960), (20, 12816864), (24, 10680720), (30, 8544576), (32, 8010540), (36, 7120480), (40, 6408432), (45, 5696384), (48, 5340360), (60, 4272288), (64, 4005270), (72, 3560240), (80, 3204216), (90, 2848192), (96, 2670180), (120, 2136144), (128, 2002635), (144, 1780120), (160, 1602108), (180, 1424096), (191, 1342080), (192, 1335090), (233, 1100160), (240, 1068072), (288, 890060), (320, 801054), (360, 712048), (382, 671040), (384, 667545), (466, 550080), (480, 534036), (573, 447360), (576, 445030), (640, 400527), (699, 366720), (720, 356024), (764, 335520), (932, 275040), (955, 268416), (960, 267018), (1146, 223680), (1152, 222515), (1165, 220032), (1398, 183360), (1440, 178012), (1528, 167760), (1719, 149120), (1864, 137520), (1910, 134208), (1920, 133509), (2097, 122240), (2292, 111840), (2330, 110016), (2796, 91680), (2865, 89472), (2880, 89006), (3056, 83880), (3438, 74560), (3495, 73344), (3728, 68760), (3820, 67104), (4194, 61120), (4584, 55920), (4660, 55008), (5592, 45840), (5730, 44736), (5760, 44503), (6112, 41940), (6876, 37280), (6990, 36672), (7456, 34380), (7640, 33552), (8388, 30560), (8595, 29824), (9168, 27960), (9320, 27504), (10485, 24448), (11184, 22920), (11460, 22368), (12224, 20970), (13752, 18640), (13980, 18336), (14912, 17190), (15280, 16776)]