1289681280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{223903}}^1$

素因数の和:223928

約数の個数: 96

約数和(自身を含む): 4453450560

約数和(自身を除く): 3163769280

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, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 223903, 447806, 671709, 895612, 1119515, 1343418, 1791224, 2015127, 2239030, 2686836, 3358545, 3582448, 4030254, 4478060, 5373672, 6717090, 7164896, 8060508, 8956120, 10075635, 10747344, 13434180, 14329792, 16121016, 17912240, 20151270, 21494688, 26868360, 28659584, 32242032, 35824480, 40302540, 42989376, 53736720, 64484064, 71648960, 80605080, 85978752, 107473440, 128968128, 143297920, 161210160, 214946880, 257936256, 322420320, 429893760, 644840640, 1289681280]

約数ペア:

[(1, 1289681280), (2, 644840640), (3, 429893760), (4, 322420320), (5, 257936256), (6, 214946880), (8, 161210160), (9, 143297920), (10, 128968128), (12, 107473440), (15, 85978752), (16, 80605080), (18, 71648960), (20, 64484064), (24, 53736720), (30, 42989376), (32, 40302540), (36, 35824480), (40, 32242032), (45, 28659584), (48, 26868360), (60, 21494688), (64, 20151270), (72, 17912240), (80, 16121016), (90, 14329792), (96, 13434180), (120, 10747344), (128, 10075635), (144, 8956120), (160, 8060508), (180, 7164896), (192, 6717090), (240, 5373672), (288, 4478060), (320, 4030254), (360, 3582448), (384, 3358545), (480, 2686836), (576, 2239030), (640, 2015127), (720, 1791224), (960, 1343418), (1152, 1119515), (1440, 895612), (1920, 671709), (2880, 447806), (5760, 223903)]