161878272

素因数分解:

$2^8\times 3^1\times {\mathrm{131}}^1\times {\mathrm{1609}}^1$

素因数の和:1759

約数の個数: 72

約数和(自身を含む): 434390880

約数和(自身を除く): 272512608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 256, 262, 384, 393, 524, 768, 786, 1048, 1572, 1609, 2096, 3144, 3218, 4192, 4827, 6288, 6436, 8384, 9654, 12576, 12872, 16768, 19308, 25152, 25744, 33536, 38616, 50304, 51488, 77232, 100608, 102976, 154464, 205952, 210779, 308928, 411904, 421558, 617856, 632337, 843116, 1235712, 1264674, 1686232, 2529348, 3372464, 5058696, 6744928, 10117392, 13489856, 20234784, 26979712, 40469568, 53959424, 80939136, 161878272]

約数ペア:

[(1, 161878272), (2, 80939136), (3, 53959424), (4, 40469568), (6, 26979712), (8, 20234784), (12, 13489856), (16, 10117392), (24, 6744928), (32, 5058696), (48, 3372464), (64, 2529348), (96, 1686232), (128, 1264674), (131, 1235712), (192, 843116), (256, 632337), (262, 617856), (384, 421558), (393, 411904), (524, 308928), (768, 210779), (786, 205952), (1048, 154464), (1572, 102976), (1609, 100608), (2096, 77232), (3144, 51488), (3218, 50304), (4192, 38616), (4827, 33536), (6288, 25744), (6436, 25152), (8384, 19308), (9654, 16768), (12576, 12872)]