87477920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1109}}^1$

素因数の和:1170

約数の個数: 96

約数和(自身を含む): 226573200

約数和(自身を除く): 139095280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 68, 80, 85, 116, 136, 145, 160, 170, 232, 272, 290, 340, 464, 493, 544, 580, 680, 928, 986, 1109, 1160, 1360, 1972, 2218, 2320, 2465, 2720, 3944, 4436, 4640, 4930, 5545, 7888, 8872, 9860, 11090, 15776, 17744, 18853, 19720, 22180, 32161, 35488, 37706, 39440, 44360, 64322, 75412, 78880, 88720, 94265, 128644, 150824, 160805, 177440, 188530, 257288, 301648, 321610, 377060, 514576, 546737, 603296, 643220, 754120, 1029152, 1093474, 1286440, 1508240, 2186948, 2572880, 2733685, 3016480, 4373896, 5145760, 5467370, 8747792, 10934740, 17495584, 21869480, 43738960, 87477920]

約数ペア:

[(1, 87477920), (2, 43738960), (4, 21869480), (5, 17495584), (8, 10934740), (10, 8747792), (16, 5467370), (17, 5145760), (20, 4373896), (29, 3016480), (32, 2733685), (34, 2572880), (40, 2186948), (58, 1508240), (68, 1286440), (80, 1093474), (85, 1029152), (116, 754120), (136, 643220), (145, 603296), (160, 546737), (170, 514576), (232, 377060), (272, 321610), (290, 301648), (340, 257288), (464, 188530), (493, 177440), (544, 160805), (580, 150824), (680, 128644), (928, 94265), (986, 88720), (1109, 78880), (1160, 75412), (1360, 64322), (1972, 44360), (2218, 39440), (2320, 37706), (2465, 35488), (2720, 32161), (3944, 22180), (4436, 19720), (4640, 18853), (4930, 17744), (5545, 15776), (7888, 11090), (8872, 9860)]