128945910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 319334400

約数和(自身を除く): 190388490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 109, 141, 218, 235, 282, 327, 470, 545, 654, 705, 839, 1090, 1410, 1635, 1678, 2517, 3270, 4195, 5034, 5123, 8390, 10246, 12585, 15369, 25170, 25615, 30738, 39433, 51230, 76845, 78866, 91451, 118299, 153690, 182902, 197165, 236598, 274353, 394330, 457255, 548706, 591495, 914510, 1182990, 1371765, 2743530, 4298197, 8596394, 12894591, 21490985, 25789182, 42981970, 64472955, 128945910]

約数ペア:

[(1, 128945910), (2, 64472955), (3, 42981970), (5, 25789182), (6, 21490985), (10, 12894591), (15, 8596394), (30, 4298197), (47, 2743530), (94, 1371765), (109, 1182990), (141, 914510), (218, 591495), (235, 548706), (282, 457255), (327, 394330), (470, 274353), (545, 236598), (654, 197165), (705, 182902), (839, 153690), (1090, 118299), (1410, 91451), (1635, 78866), (1678, 76845), (2517, 51230), (3270, 39433), (4195, 30738), (5034, 25615), (5123, 25170), (8390, 15369), (10246, 12585)]