81435648

素因数分解:

$2^{10}\times 3^1\times 7^2\times {\mathrm{541}}^1$

素因数の和:578

約数の個数: 132

約数和(自身を含む): 252960072

約数和(自身を除く): 171524424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 384, 392, 448, 512, 541, 588, 672, 768, 784, 896, 1024, 1082, 1176, 1344, 1536, 1568, 1623, 1792, 2164, 2352, 2688, 3072, 3136, 3246, 3584, 3787, 4328, 4704, 5376, 6272, 6492, 7168, 7574, 8656, 9408, 10752, 11361, 12544, 12984, 15148, 17312, 18816, 21504, 22722, 25088, 25968, 26509, 30296, 34624, 37632, 45444, 50176, 51936, 53018, 60592, 69248, 75264, 79527, 90888, 103872, 106036, 121184, 138496, 150528, 159054, 181776, 207744, 212072, 242368, 276992, 318108, 363552, 415488, 424144, 484736, 553984, 636216, 727104, 830976, 848288, 969472, 1272432, 1454208, 1661952, 1696576, 1938944, 2544864, 2908416, 3393152, 3877888, 5089728, 5816832, 6786304, 10179456, 11633664, 13572608, 20358912, 27145216, 40717824, 81435648]

約数ペア:

[(1, 81435648), (2, 40717824), (3, 27145216), (4, 20358912), (6, 13572608), (7, 11633664), (8, 10179456), (12, 6786304), (14, 5816832), (16, 5089728), (21, 3877888), (24, 3393152), (28, 2908416), (32, 2544864), (42, 1938944), (48, 1696576), (49, 1661952), (56, 1454208), (64, 1272432), (84, 969472), (96, 848288), (98, 830976), (112, 727104), (128, 636216), (147, 553984), (168, 484736), (192, 424144), (196, 415488), (224, 363552), (256, 318108), (294, 276992), (336, 242368), (384, 212072), (392, 207744), (448, 181776), (512, 159054), (541, 150528), (588, 138496), (672, 121184), (768, 106036), (784, 103872), (896, 90888), (1024, 79527), (1082, 75264), (1176, 69248), (1344, 60592), (1536, 53018), (1568, 51936), (1623, 50176), (1792, 45444), (2164, 37632), (2352, 34624), (2688, 30296), (3072, 26509), (3136, 25968), (3246, 25088), (3584, 22722), (3787, 21504), (4328, 18816), (4704, 17312), (5376, 15148), (6272, 12984), (6492, 12544), (7168, 11361), (7574, 10752), (8656, 9408)]