30706360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 72446400

約数和(自身を除く): 41740040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 103, 116, 145, 206, 232, 257, 290, 412, 514, 515, 580, 824, 1028, 1030, 1160, 1285, 2056, 2060, 2570, 2987, 4120, 5140, 5974, 7453, 10280, 11948, 14906, 14935, 23896, 26471, 29812, 29870, 37265, 52942, 59624, 59740, 74530, 105884, 119480, 132355, 149060, 211768, 264710, 298120, 529420, 767659, 1058840, 1535318, 3070636, 3838295, 6141272, 7676590, 15353180, 30706360]

約数ペア:

[(1, 30706360), (2, 15353180), (4, 7676590), (5, 6141272), (8, 3838295), (10, 3070636), (20, 1535318), (29, 1058840), (40, 767659), (58, 529420), (103, 298120), (116, 264710), (145, 211768), (206, 149060), (232, 132355), (257, 119480), (290, 105884), (412, 74530), (514, 59740), (515, 59624), (580, 52942), (824, 37265), (1028, 29870), (1030, 29812), (1160, 26471), (1285, 23896), (2056, 14935), (2060, 14906), (2570, 11948), (2987, 10280), (4120, 7453), (5140, 5974)]