81635328

素因数分解:

$2^{11}\times 3^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 243603360

約数和(自身を除く): 161968032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 103, 128, 129, 144, 172, 192, 206, 256, 258, 288, 309, 344, 384, 387, 412, 512, 516, 576, 618, 688, 768, 774, 824, 927, 1024, 1032, 1152, 1236, 1376, 1536, 1548, 1648, 1854, 2048, 2064, 2304, 2472, 2752, 3072, 3096, 3296, 3708, 4128, 4429, 4608, 4944, 5504, 6144, 6192, 6592, 7416, 8256, 8858, 9216, 9888, 11008, 12384, 13184, 13287, 14832, 16512, 17716, 18432, 19776, 22016, 24768, 26368, 26574, 29664, 33024, 35432, 39552, 39861, 44032, 49536, 52736, 53148, 59328, 66048, 70864, 79104, 79722, 88064, 99072, 105472, 106296, 118656, 132096, 141728, 158208, 159444, 198144, 210944, 212592, 237312, 264192, 283456, 316416, 318888, 396288, 425184, 474624, 566912, 632832, 637776, 792576, 850368, 949248, 1133824, 1275552, 1700736, 1898496, 2267648, 2551104, 3401472, 4535296, 5102208, 6802944, 9070592, 10204416, 13605888, 20408832, 27211776, 40817664, 81635328]

約数ペア:

[(1, 81635328), (2, 40817664), (3, 27211776), (4, 20408832), (6, 13605888), (8, 10204416), (9, 9070592), (12, 6802944), (16, 5102208), (18, 4535296), (24, 3401472), (32, 2551104), (36, 2267648), (43, 1898496), (48, 1700736), (64, 1275552), (72, 1133824), (86, 949248), (96, 850368), (103, 792576), (128, 637776), (129, 632832), (144, 566912), (172, 474624), (192, 425184), (206, 396288), (256, 318888), (258, 316416), (288, 283456), (309, 264192), (344, 237312), (384, 212592), (387, 210944), (412, 198144), (512, 159444), (516, 158208), (576, 141728), (618, 132096), (688, 118656), (768, 106296), (774, 105472), (824, 99072), (927, 88064), (1024, 79722), (1032, 79104), (1152, 70864), (1236, 66048), (1376, 59328), (1536, 53148), (1548, 52736), (1648, 49536), (1854, 44032), (2048, 39861), (2064, 39552), (2304, 35432), (2472, 33024), (2752, 29664), (3072, 26574), (3096, 26368), (3296, 24768), (3708, 22016), (4128, 19776), (4429, 18432), (4608, 17716), (4944, 16512), (5504, 14832), (6144, 13287), (6192, 13184), (6592, 12384), (7416, 11008), (8256, 9888), (8858, 9216)]