30960215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 16939945

約数列:

[1, 5, 11, 13, 19, 43, 53, 55, 65, 95, 143, 209, 215, 247, 265, 473, 559, 583, 689, 715, 817, 1007, 1045, 1235, 2279, 2365, 2717, 2795, 2915, 3445, 4085, 5035, 6149, 7579, 8987, 10621, 11077, 11395, 13091, 13585, 25069, 29627, 30745, 37895, 43301, 44935, 53105, 55385, 65455, 116831, 125345, 144001, 148135, 216505, 325897, 476311, 562913, 584155, 720005, 1629485, 2381555, 2814565, 6192043, 30960215]

約数ペア:

[(1, 30960215), (5, 6192043), (11, 2814565), (13, 2381555), (19, 1629485), (43, 720005), (53, 584155), (55, 562913), (65, 476311), (95, 325897), (143, 216505), (209, 148135), (215, 144001), (247, 125345), (265, 116831), (473, 65455), (559, 55385), (583, 53105), (689, 44935), (715, 43301), (817, 37895), (1007, 30745), (1045, 29627), (1235, 25069), (2279, 13585), (2365, 13091), (2717, 11395), (2795, 11077), (2915, 10621), (3445, 8987), (4085, 7579), (5035, 6149)]