388576620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2158759}}^1$

素因数の和:2158774

約数の個数: 36

約数和(自身を含む): 1178682960

約数和(自身を除く): 790106340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2158759, 4317518, 6476277, 8635036, 10793795, 12952554, 19428831, 21587590, 25905108, 32381385, 38857662, 43175180, 64762770, 77715324, 97144155, 129525540, 194288310, 388576620]

約数ペア:

[(1, 388576620), (2, 194288310), (3, 129525540), (4, 97144155), (5, 77715324), (6, 64762770), (9, 43175180), (10, 38857662), (12, 32381385), (15, 25905108), (18, 21587590), (20, 19428831), (30, 12952554), (36, 10793795), (45, 8635036), (60, 6476277), (90, 4317518), (180, 2158759)]