56681280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19681}}^1$

素因数の和:19704

約数の個数: 84

約数和(自身を含む): 194969892

約数和(自身を除く): 138288612

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, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 19681, 39362, 59043, 78724, 98405, 118086, 157448, 177129, 196810, 236172, 295215, 314896, 354258, 393620, 472344, 590430, 629792, 708516, 787240, 885645, 944688, 1180860, 1259584, 1417032, 1574480, 1771290, 1889376, 2361720, 2834064, 3148960, 3542580, 3778752, 4723440, 5668128, 6297920, 7085160, 9446880, 11336256, 14170320, 18893760, 28340640, 56681280]

約数ペア:

[(1, 56681280), (2, 28340640), (3, 18893760), (4, 14170320), (5, 11336256), (6, 9446880), (8, 7085160), (9, 6297920), (10, 5668128), (12, 4723440), (15, 3778752), (16, 3542580), (18, 3148960), (20, 2834064), (24, 2361720), (30, 1889376), (32, 1771290), (36, 1574480), (40, 1417032), (45, 1259584), (48, 1180860), (60, 944688), (64, 885645), (72, 787240), (80, 708516), (90, 629792), (96, 590430), (120, 472344), (144, 393620), (160, 354258), (180, 314896), (192, 295215), (240, 236172), (288, 196810), (320, 177129), (360, 157448), (480, 118086), (576, 98405), (720, 78724), (960, 59043), (1440, 39362), (2880, 19681)]