81928672

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 192471552

約数和(自身を除く): 110542880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 67, 103, 106, 112, 134, 206, 212, 224, 268, 371, 412, 424, 469, 536, 721, 742, 824, 848, 938, 1072, 1442, 1484, 1648, 1696, 1876, 2144, 2884, 2968, 3296, 3551, 3752, 5459, 5768, 5936, 6901, 7102, 7504, 10918, 11536, 11872, 13802, 14204, 15008, 21836, 23072, 24857, 27604, 28408, 38213, 43672, 48307, 49714, 55208, 56816, 76426, 87344, 96614, 99428, 110416, 113632, 152852, 174688, 193228, 198856, 220832, 305704, 365753, 386456, 397712, 611408, 731506, 772912, 795424, 1222816, 1463012, 1545824, 2560271, 2926024, 5120542, 5852048, 10241084, 11704096, 20482168, 40964336, 81928672]

約数ペア:

[(1, 81928672), (2, 40964336), (4, 20482168), (7, 11704096), (8, 10241084), (14, 5852048), (16, 5120542), (28, 2926024), (32, 2560271), (53, 1545824), (56, 1463012), (67, 1222816), (103, 795424), (106, 772912), (112, 731506), (134, 611408), (206, 397712), (212, 386456), (224, 365753), (268, 305704), (371, 220832), (412, 198856), (424, 193228), (469, 174688), (536, 152852), (721, 113632), (742, 110416), (824, 99428), (848, 96614), (938, 87344), (1072, 76426), (1442, 56816), (1484, 55208), (1648, 49714), (1696, 48307), (1876, 43672), (2144, 38213), (2884, 28408), (2968, 27604), (3296, 24857), (3551, 23072), (3752, 21836), (5459, 15008), (5768, 14204), (5936, 13802), (6901, 11872), (7102, 11536), (7504, 10918)]