81688272

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1308

約数の個数: 80

約数和(自身を含む): 223997568

約数和(自身を除く): 142309296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 61, 69, 92, 122, 138, 183, 184, 244, 276, 366, 368, 488, 552, 732, 976, 1104, 1213, 1403, 1464, 2426, 2806, 2928, 3639, 4209, 4852, 5612, 7278, 8418, 9704, 11224, 14556, 16836, 19408, 22448, 27899, 29112, 33672, 55798, 58224, 67344, 73993, 83697, 111596, 147986, 167394, 221979, 223192, 295972, 334788, 443958, 446384, 591944, 669576, 887916, 1183888, 1339152, 1701839, 1775832, 3403678, 3551664, 5105517, 6807356, 10211034, 13614712, 20422068, 27229424, 40844136, 81688272]

約数ペア:

[(1, 81688272), (2, 40844136), (3, 27229424), (4, 20422068), (6, 13614712), (8, 10211034), (12, 6807356), (16, 5105517), (23, 3551664), (24, 3403678), (46, 1775832), (48, 1701839), (61, 1339152), (69, 1183888), (92, 887916), (122, 669576), (138, 591944), (183, 446384), (184, 443958), (244, 334788), (276, 295972), (366, 223192), (368, 221979), (488, 167394), (552, 147986), (732, 111596), (976, 83697), (1104, 73993), (1213, 67344), (1403, 58224), (1464, 55798), (2426, 33672), (2806, 29112), (2928, 27899), (3639, 22448), (4209, 19408), (4852, 16836), (5612, 14556), (7278, 11224), (8418, 9704)]