128185005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 229340160

約数和(自身を除く): 101155155

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 79, 157, 159, 195, 237, 265, 395, 471, 689, 785, 795, 1027, 1185, 2041, 2067, 2355, 3081, 3445, 4187, 5135, 6123, 8321, 10205, 10335, 12403, 12561, 15405, 20935, 24963, 30615, 37209, 41605, 54431, 62015, 62805, 108173, 124815, 161239, 163293, 186045, 272155, 324519, 483717, 540865, 657359, 806195, 816465, 1622595, 1972077, 2418585, 3286795, 8545667, 9860385, 25637001, 42728335, 128185005]

約数ペア:

[(1, 128185005), (3, 42728335), (5, 25637001), (13, 9860385), (15, 8545667), (39, 3286795), (53, 2418585), (65, 1972077), (79, 1622595), (157, 816465), (159, 806195), (195, 657359), (237, 540865), (265, 483717), (395, 324519), (471, 272155), (689, 186045), (785, 163293), (795, 161239), (1027, 124815), (1185, 108173), (2041, 62805), (2067, 62015), (2355, 54431), (3081, 41605), (3445, 37209), (4187, 30615), (5135, 24963), (6123, 20935), (8321, 15405), (10205, 12561), (10335, 12403)]