131306880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{68389}}^1$

素因数の和:68411

約数の個数: 64

約数和(自身を含む): 418546800

約数和(自身を除く): 287239920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 68389, 136778, 205167, 273556, 341945, 410334, 547112, 683890, 820668, 1025835, 1094224, 1367780, 1641336, 2051670, 2188448, 2735560, 3282672, 4103340, 4376896, 5471120, 6565344, 8206680, 8753792, 10942240, 13130688, 16413360, 21884480, 26261376, 32826720, 43768960, 65653440, 131306880]

約数ペア:

[(1, 131306880), (2, 65653440), (3, 43768960), (4, 32826720), (5, 26261376), (6, 21884480), (8, 16413360), (10, 13130688), (12, 10942240), (15, 8753792), (16, 8206680), (20, 6565344), (24, 5471120), (30, 4376896), (32, 4103340), (40, 3282672), (48, 2735560), (60, 2188448), (64, 2051670), (80, 1641336), (96, 1367780), (120, 1094224), (128, 1025835), (160, 820668), (192, 683890), (240, 547112), (320, 410334), (384, 341945), (480, 273556), (640, 205167), (960, 136778), (1920, 68389)]