31020372

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 83123040

約数和(自身を除く): 52102668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 43, 58, 86, 87, 116, 129, 172, 174, 258, 261, 348, 387, 516, 522, 691, 774, 1044, 1247, 1382, 1548, 2073, 2494, 2764, 3741, 4146, 4988, 6219, 7482, 8292, 11223, 12438, 14964, 20039, 22446, 24876, 29713, 40078, 44892, 59426, 60117, 80156, 89139, 118852, 120234, 178278, 180351, 240468, 267417, 356556, 360702, 534834, 721404, 861677, 1069668, 1723354, 2585031, 3446708, 5170062, 7755093, 10340124, 15510186, 31020372]

約数ペア:

[(1, 31020372), (2, 15510186), (3, 10340124), (4, 7755093), (6, 5170062), (9, 3446708), (12, 2585031), (18, 1723354), (29, 1069668), (36, 861677), (43, 721404), (58, 534834), (86, 360702), (87, 356556), (116, 267417), (129, 240468), (172, 180351), (174, 178278), (258, 120234), (261, 118852), (348, 89139), (387, 80156), (516, 60117), (522, 59426), (691, 44892), (774, 40078), (1044, 29713), (1247, 24876), (1382, 22446), (1548, 20039), (2073, 14964), (2494, 12438), (2764, 11223), (3741, 8292), (4146, 7482), (4988, 6219)]