318206120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{62639}}^1$

素因数の和:62777

約数の個数: 32

約数和(自身を含む): 721612800

約数和(自身を除く): 403406680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 62639, 125278, 250556, 313195, 501112, 626390, 1252780, 2505560, 7955153, 15910306, 31820612, 39775765, 63641224, 79551530, 159103060, 318206120]

約数ペア:

[(1, 318206120), (2, 159103060), (4, 79551530), (5, 63641224), (8, 39775765), (10, 31820612), (20, 15910306), (40, 7955153), (127, 2505560), (254, 1252780), (508, 626390), (635, 501112), (1016, 313195), (1270, 250556), (2540, 125278), (5080, 62639)]