72781968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{863}}^1$

素因数の和:1132

約数の個数: 80

約数和(自身を含む): 215986176

約数和(自身を除く): 143204208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 251, 336, 502, 753, 863, 1004, 1506, 1726, 1757, 2008, 2589, 3012, 3452, 3514, 4016, 5178, 5271, 6024, 6041, 6904, 7028, 10356, 10542, 12048, 12082, 13808, 14056, 18123, 20712, 21084, 24164, 28112, 36246, 41424, 42168, 48328, 72492, 84336, 96656, 144984, 216613, 289968, 433226, 649839, 866452, 1299678, 1516291, 1732904, 2599356, 3032582, 3465808, 4548873, 5198712, 6065164, 9097746, 10397424, 12130328, 18195492, 24260656, 36390984, 72781968]

約数ペア:

[(1, 72781968), (2, 36390984), (3, 24260656), (4, 18195492), (6, 12130328), (7, 10397424), (8, 9097746), (12, 6065164), (14, 5198712), (16, 4548873), (21, 3465808), (24, 3032582), (28, 2599356), (42, 1732904), (48, 1516291), (56, 1299678), (84, 866452), (112, 649839), (168, 433226), (251, 289968), (336, 216613), (502, 144984), (753, 96656), (863, 84336), (1004, 72492), (1506, 48328), (1726, 42168), (1757, 41424), (2008, 36246), (2589, 28112), (3012, 24164), (3452, 21084), (3514, 20712), (4016, 18123), (5178, 14056), (5271, 13808), (6024, 12082), (6041, 12048), (6904, 10542), (7028, 10356)]