51813120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 168360192

約数和(自身を除く): 116547072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 128, 131, 160, 192, 206, 240, 256, 262, 309, 320, 384, 393, 412, 480, 515, 524, 618, 640, 655, 768, 786, 824, 960, 1030, 1048, 1236, 1280, 1310, 1545, 1572, 1648, 1920, 1965, 2060, 2096, 2472, 2620, 3090, 3144, 3296, 3840, 3930, 4120, 4192, 4944, 5240, 6180, 6288, 6592, 7860, 8240, 8384, 9888, 10480, 12360, 12576, 13184, 13493, 15720, 16480, 16768, 19776, 20960, 24720, 25152, 26368, 26986, 31440, 32960, 33536, 39552, 40479, 41920, 49440, 50304, 53972, 62880, 65920, 67465, 79104, 80958, 83840, 98880, 100608, 107944, 125760, 131840, 134930, 161916, 167680, 197760, 202395, 215888, 251520, 269860, 323832, 395520, 404790, 431776, 503040, 539720, 647664, 809580, 863552, 1079440, 1295328, 1619160, 1727104, 2158880, 2590656, 3238320, 3454208, 4317760, 5181312, 6476640, 8635520, 10362624, 12953280, 17271040, 25906560, 51813120]

約数ペア:

[(1, 51813120), (2, 25906560), (3, 17271040), (4, 12953280), (5, 10362624), (6, 8635520), (8, 6476640), (10, 5181312), (12, 4317760), (15, 3454208), (16, 3238320), (20, 2590656), (24, 2158880), (30, 1727104), (32, 1619160), (40, 1295328), (48, 1079440), (60, 863552), (64, 809580), (80, 647664), (96, 539720), (103, 503040), (120, 431776), (128, 404790), (131, 395520), (160, 323832), (192, 269860), (206, 251520), (240, 215888), (256, 202395), (262, 197760), (309, 167680), (320, 161916), (384, 134930), (393, 131840), (412, 125760), (480, 107944), (515, 100608), (524, 98880), (618, 83840), (640, 80958), (655, 79104), (768, 67465), (786, 65920), (824, 62880), (960, 53972), (1030, 50304), (1048, 49440), (1236, 41920), (1280, 40479), (1310, 39552), (1545, 33536), (1572, 32960), (1648, 31440), (1920, 26986), (1965, 26368), (2060, 25152), (2096, 24720), (2472, 20960), (2620, 19776), (3090, 16768), (3144, 16480), (3296, 15720), (3840, 13493), (3930, 13184), (4120, 12576), (4192, 12360), (4944, 10480), (5240, 9888), (6180, 8384), (6288, 8240), (6592, 7860)]