68875755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 58858005

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 79, 85, 195, 221, 237, 255, 263, 395, 663, 789, 1027, 1105, 1185, 1315, 1343, 3081, 3315, 3419, 3945, 4029, 4471, 5135, 6715, 10257, 13413, 15405, 17095, 17459, 20145, 20777, 22355, 51285, 52377, 58123, 62331, 67065, 87295, 103885, 174369, 261885, 270101, 290615, 311655, 353209, 810303, 871845, 1059627, 1350505, 1766045, 4051515, 4591717, 5298135, 13775151, 22958585, 68875755]

約数ペア:

[(1, 68875755), (3, 22958585), (5, 13775151), (13, 5298135), (15, 4591717), (17, 4051515), (39, 1766045), (51, 1350505), (65, 1059627), (79, 871845), (85, 810303), (195, 353209), (221, 311655), (237, 290615), (255, 270101), (263, 261885), (395, 174369), (663, 103885), (789, 87295), (1027, 67065), (1105, 62331), (1185, 58123), (1315, 52377), (1343, 51285), (3081, 22355), (3315, 20777), (3419, 20145), (3945, 17459), (4029, 17095), (4471, 15405), (5135, 13413), (6715, 10257)]