256718304

素因数分解:

$2^5\times 3^2\times {\mathrm{331}}^1\times {\mathrm{2693}}^1$

素因数の和:3040

約数の個数: 72

約数和(自身を含む): 732520152

約数和(自身を除く): 475801848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 331, 662, 993, 1324, 1986, 2648, 2693, 2979, 3972, 5296, 5386, 5958, 7944, 8079, 10592, 10772, 11916, 15888, 16158, 21544, 23832, 24237, 31776, 32316, 43088, 47664, 48474, 64632, 86176, 95328, 96948, 129264, 193896, 258528, 387792, 775584, 891383, 1782766, 2674149, 3565532, 5348298, 7131064, 8022447, 10696596, 14262128, 16044894, 21393192, 28524256, 32089788, 42786384, 64179576, 85572768, 128359152, 256718304]

約数ペア:

[(1, 256718304), (2, 128359152), (3, 85572768), (4, 64179576), (6, 42786384), (8, 32089788), (9, 28524256), (12, 21393192), (16, 16044894), (18, 14262128), (24, 10696596), (32, 8022447), (36, 7131064), (48, 5348298), (72, 3565532), (96, 2674149), (144, 1782766), (288, 891383), (331, 775584), (662, 387792), (993, 258528), (1324, 193896), (1986, 129264), (2648, 96948), (2693, 95328), (2979, 86176), (3972, 64632), (5296, 48474), (5386, 47664), (5958, 43088), (7944, 32316), (8079, 31776), (10592, 24237), (10772, 23832), (11916, 21544), (15888, 16158)]