315504688

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 655940160

約数和(自身を除く): 340435472

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 71, 116, 122, 142, 157, 232, 244, 284, 314, 464, 488, 568, 628, 976, 1136, 1256, 1769, 2059, 2512, 3538, 4118, 4331, 4553, 7076, 8236, 8662, 9106, 9577, 11147, 14152, 16472, 17324, 18212, 19154, 22294, 28304, 32944, 34648, 36424, 38308, 44588, 69296, 72848, 76616, 89176, 125599, 153232, 178352, 251198, 277733, 323263, 502396, 555466, 646526, 679967, 1004792, 1110932, 1293052, 1359934, 2009584, 2221864, 2586104, 2719868, 4443728, 5172208, 5439736, 10879472, 19719043, 39438086, 78876172, 157752344, 315504688]

約数ペア:

[(1, 315504688), (2, 157752344), (4, 78876172), (8, 39438086), (16, 19719043), (29, 10879472), (58, 5439736), (61, 5172208), (71, 4443728), (116, 2719868), (122, 2586104), (142, 2221864), (157, 2009584), (232, 1359934), (244, 1293052), (284, 1110932), (314, 1004792), (464, 679967), (488, 646526), (568, 555466), (628, 502396), (976, 323263), (1136, 277733), (1256, 251198), (1769, 178352), (2059, 153232), (2512, 125599), (3538, 89176), (4118, 76616), (4331, 72848), (4553, 69296), (7076, 44588), (8236, 38308), (8662, 36424), (9106, 34648), (9577, 32944), (11147, 28304), (14152, 22294), (16472, 19154), (17324, 18212)]