720005

素因数分解:

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

素因数の和:101

約数の個数: 32

約数和(自身を含む): 1088640

約数和(自身を除く): 368635

約数列:

[1, 5, 11, 13, 19, 53, 55, 65, 95, 143, 209, 247, 265, 583, 689, 715, 1007, 1045, 1235, 2717, 2915, 3445, 5035, 7579, 11077, 13091, 13585, 37895, 55385, 65455, 144001, 720005]

約数ペア:

[(1, 720005), (5, 144001), (11, 65455), (13, 55385), (19, 37895), (53, 13585), (55, 13091), (65, 11077), (95, 7579), (143, 5035), (209, 3445), (247, 2915), (265, 2717), (583, 1235), (689, 1045), (715, 1007)]