81513144

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7211}}^1$

素因数の和:7380

約数の個数: 48

約数和(自身を含む): 222201720

約数和(自身を除く): 140688576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2826, 3768, 5652, 7211, 11304, 14422, 21633, 28844, 43266, 57688, 64899, 86532, 129798, 173064, 259596, 519192, 1132127, 2264254, 3396381, 4528508, 6792762, 9057016, 10189143, 13585524, 20378286, 27171048, 40756572, 81513144]

約数ペア:

[(1, 81513144), (2, 40756572), (3, 27171048), (4, 20378286), (6, 13585524), (8, 10189143), (9, 9057016), (12, 6792762), (18, 4528508), (24, 3396381), (36, 2264254), (72, 1132127), (157, 519192), (314, 259596), (471, 173064), (628, 129798), (942, 86532), (1256, 64899), (1413, 57688), (1884, 43266), (2826, 28844), (3768, 21633), (5652, 14422), (7211, 11304)]