8103030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 21288960

約数和(自身を除く): 13185930

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 263, 390, 395, 474, 526, 789, 790, 1027, 1185, 1315, 1578, 2054, 2370, 2630, 3081, 3419, 3945, 5135, 6162, 6838, 7890, 10257, 10270, 15405, 17095, 20514, 20777, 30810, 34190, 41554, 51285, 62331, 102570, 103885, 124662, 207770, 270101, 311655, 540202, 623310, 810303, 1350505, 1620606, 2701010, 4051515, 8103030]

約数ペア:

[(1, 8103030), (2, 4051515), (3, 2701010), (5, 1620606), (6, 1350505), (10, 810303), (13, 623310), (15, 540202), (26, 311655), (30, 270101), (39, 207770), (65, 124662), (78, 103885), (79, 102570), (130, 62331), (158, 51285), (195, 41554), (237, 34190), (263, 30810), (390, 20777), (395, 20514), (474, 17095), (526, 15405), (789, 10270), (790, 10257), (1027, 7890), (1185, 6838), (1315, 6162), (1578, 5135), (2054, 3945), (2370, 3419), (2630, 3081)]