255065760

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19681}}^1$

素因数の和:19708

約数の個数: 120

約数和(自身を含む): 900215316

約数和(自身を除く): 645149556

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 19681, 39362, 59043, 78724, 98405, 118086, 157448, 177129, 196810, 236172, 295215, 314896, 354258, 393620, 472344, 531387, 590430, 629792, 708516, 787240, 885645, 944688, 1062774, 1180860, 1417032, 1574480, 1594161, 1771290, 1889376, 2125548, 2361720, 2656935, 2834064, 3148960, 3188322, 3542580, 4251096, 4723440, 5313870, 5668128, 6376644, 7085160, 7970805, 8502192, 9446880, 10627740, 12753288, 14170320, 15941610, 17004384, 21255480, 25506576, 28340640, 31883220, 42510960, 51013152, 63766440, 85021920, 127532880, 255065760]

約数ペア:

[(1, 255065760), (2, 127532880), (3, 85021920), (4, 63766440), (5, 51013152), (6, 42510960), (8, 31883220), (9, 28340640), (10, 25506576), (12, 21255480), (15, 17004384), (16, 15941610), (18, 14170320), (20, 12753288), (24, 10627740), (27, 9446880), (30, 8502192), (32, 7970805), (36, 7085160), (40, 6376644), (45, 5668128), (48, 5313870), (54, 4723440), (60, 4251096), (72, 3542580), (80, 3188322), (81, 3148960), (90, 2834064), (96, 2656935), (108, 2361720), (120, 2125548), (135, 1889376), (144, 1771290), (160, 1594161), (162, 1574480), (180, 1417032), (216, 1180860), (240, 1062774), (270, 944688), (288, 885645), (324, 787240), (360, 708516), (405, 629792), (432, 590430), (480, 531387), (540, 472344), (648, 393620), (720, 354258), (810, 314896), (864, 295215), (1080, 236172), (1296, 196810), (1440, 177129), (1620, 157448), (2160, 118086), (2592, 98405), (3240, 78724), (4320, 59043), (6480, 39362), (12960, 19681)]