71572120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 165381120

約数和(自身を除く): 93809000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 127, 146, 193, 254, 292, 365, 386, 508, 584, 635, 730, 772, 965, 1016, 1270, 1460, 1544, 1930, 2540, 2920, 3860, 5080, 7720, 9271, 14089, 18542, 24511, 28178, 37084, 46355, 49022, 56356, 70445, 74168, 92710, 98044, 112712, 122555, 140890, 185420, 196088, 245110, 281780, 370840, 490220, 563560, 980440, 1789303, 3578606, 7157212, 8946515, 14314424, 17893030, 35786060, 71572120]

約数ペア:

[(1, 71572120), (2, 35786060), (4, 17893030), (5, 14314424), (8, 8946515), (10, 7157212), (20, 3578606), (40, 1789303), (73, 980440), (127, 563560), (146, 490220), (193, 370840), (254, 281780), (292, 245110), (365, 196088), (386, 185420), (508, 140890), (584, 122555), (635, 112712), (730, 98044), (772, 92710), (965, 74168), (1016, 70445), (1270, 56356), (1460, 49022), (1544, 46355), (1930, 37084), (2540, 28178), (2920, 24511), (3860, 18542), (5080, 14089), (7720, 9271)]