81336048

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 217236096

約数和(自身を除く): 135900048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 157, 172, 251, 258, 314, 344, 471, 502, 516, 628, 688, 753, 942, 1004, 1032, 1256, 1506, 1884, 2008, 2064, 2512, 3012, 3768, 4016, 6024, 6751, 7536, 10793, 12048, 13502, 20253, 21586, 27004, 32379, 39407, 40506, 43172, 54008, 64758, 78814, 81012, 86344, 108016, 118221, 129516, 157628, 162024, 172688, 236442, 259032, 315256, 324048, 472884, 518064, 630512, 945768, 1694501, 1891536, 3389002, 5083503, 6778004, 10167006, 13556008, 20334012, 27112016, 40668024, 81336048]

約数ペア:

[(1, 81336048), (2, 40668024), (3, 27112016), (4, 20334012), (6, 13556008), (8, 10167006), (12, 6778004), (16, 5083503), (24, 3389002), (43, 1891536), (48, 1694501), (86, 945768), (129, 630512), (157, 518064), (172, 472884), (251, 324048), (258, 315256), (314, 259032), (344, 236442), (471, 172688), (502, 162024), (516, 157628), (628, 129516), (688, 118221), (753, 108016), (942, 86344), (1004, 81012), (1032, 78814), (1256, 64758), (1506, 54008), (1884, 43172), (2008, 40506), (2064, 39407), (2512, 32379), (3012, 27004), (3768, 21586), (4016, 20253), (6024, 13502), (6751, 12048), (7536, 10793)]