2781720024

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{28541}}^1$

素因数の和:28712

約数の個数: 64

約数和(自身を含む): 7233684480

約数和(自身を除く): 4451964456

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 131, 186, 248, 262, 372, 393, 524, 744, 786, 1048, 1572, 3144, 4061, 8122, 12183, 16244, 24366, 28541, 32488, 48732, 57082, 85623, 97464, 114164, 171246, 228328, 342492, 684984, 884771, 1769542, 2654313, 3539084, 3738871, 5308626, 7078168, 7477742, 10617252, 11216613, 14955484, 21234504, 22433226, 29910968, 44866452, 89732904, 115905001, 231810002, 347715003, 463620004, 695430006, 927240008, 1390860012, 2781720024]

約数ペア:

[(1, 2781720024), (2, 1390860012), (3, 927240008), (4, 695430006), (6, 463620004), (8, 347715003), (12, 231810002), (24, 115905001), (31, 89732904), (62, 44866452), (93, 29910968), (124, 22433226), (131, 21234504), (186, 14955484), (248, 11216613), (262, 10617252), (372, 7477742), (393, 7078168), (524, 5308626), (744, 3738871), (786, 3539084), (1048, 2654313), (1572, 1769542), (3144, 884771), (4061, 684984), (8122, 342492), (12183, 228328), (16244, 171246), (24366, 114164), (28541, 97464), (32488, 85623), (48732, 57082)]