156739160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 360374400

約数和(自身を除く): 203635240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 193, 257, 316, 386, 395, 514, 632, 772, 790, 965, 1028, 1285, 1544, 1580, 1930, 2056, 2570, 3160, 3860, 5140, 7720, 10280, 15247, 20303, 30494, 40606, 49601, 60988, 76235, 81212, 99202, 101515, 121976, 152470, 162424, 198404, 203030, 248005, 304940, 396808, 406060, 496010, 609880, 812120, 992020, 1984040, 3918479, 7836958, 15673916, 19592395, 31347832, 39184790, 78369580, 156739160]

約数ペア:

[(1, 156739160), (2, 78369580), (4, 39184790), (5, 31347832), (8, 19592395), (10, 15673916), (20, 7836958), (40, 3918479), (79, 1984040), (158, 992020), (193, 812120), (257, 609880), (316, 496010), (386, 406060), (395, 396808), (514, 304940), (632, 248005), (772, 203030), (790, 198404), (965, 162424), (1028, 152470), (1285, 121976), (1544, 101515), (1580, 99202), (1930, 81212), (2056, 76235), (2570, 60988), (3160, 49601), (3860, 40606), (5140, 30494), (7720, 20303), (10280, 15247)]