82816720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3607}}^1$

素因数の和:3668

約数の個数: 80

約数和(自身を含む): 225485568

約数和(自身を除く): 142668848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 3607, 4592, 5740, 7214, 11480, 14428, 18035, 22960, 25249, 28856, 36070, 50498, 57712, 72140, 100996, 126245, 144280, 147887, 201992, 252490, 288560, 295774, 403984, 504980, 591548, 739435, 1009960, 1035209, 1183096, 1478870, 2019920, 2070418, 2366192, 2957740, 4140836, 5176045, 5915480, 8281672, 10352090, 11830960, 16563344, 20704180, 41408360, 82816720]

約数ペア:

[(1, 82816720), (2, 41408360), (4, 20704180), (5, 16563344), (7, 11830960), (8, 10352090), (10, 8281672), (14, 5915480), (16, 5176045), (20, 4140836), (28, 2957740), (35, 2366192), (40, 2070418), (41, 2019920), (56, 1478870), (70, 1183096), (80, 1035209), (82, 1009960), (112, 739435), (140, 591548), (164, 504980), (205, 403984), (280, 295774), (287, 288560), (328, 252490), (410, 201992), (560, 147887), (574, 144280), (656, 126245), (820, 100996), (1148, 72140), (1435, 57712), (1640, 50498), (2296, 36070), (2870, 28856), (3280, 25249), (3607, 22960), (4592, 18035), (5740, 14428), (7214, 11480)]