71255480

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 165132000

約数和(自身を除く): 93876520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 109, 118, 218, 236, 277, 295, 436, 472, 545, 554, 590, 872, 1090, 1108, 1180, 1385, 2180, 2216, 2360, 2770, 4360, 5540, 6431, 11080, 12862, 16343, 25724, 30193, 32155, 32686, 51448, 60386, 64310, 65372, 81715, 120772, 128620, 130744, 150965, 163430, 241544, 257240, 301930, 326860, 603860, 653720, 1207720, 1781387, 3562774, 7125548, 8906935, 14251096, 17813870, 35627740, 71255480]

約数ペア:

[(1, 71255480), (2, 35627740), (4, 17813870), (5, 14251096), (8, 8906935), (10, 7125548), (20, 3562774), (40, 1781387), (59, 1207720), (109, 653720), (118, 603860), (218, 326860), (236, 301930), (277, 257240), (295, 241544), (436, 163430), (472, 150965), (545, 130744), (554, 128620), (590, 120772), (872, 81715), (1090, 65372), (1108, 64310), (1180, 60386), (1385, 51448), (2180, 32686), (2216, 32155), (2360, 30193), (2770, 25724), (4360, 16343), (5540, 12862), (6431, 11080)]