138820860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{771227}}^1$

素因数の和:771242

約数の個数: 36

約数和(自身を含む): 421090488

約数和(自身を除く): 282269628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 771227, 1542454, 2313681, 3084908, 3856135, 4627362, 6941043, 7712270, 9254724, 11568405, 13882086, 15424540, 23136810, 27764172, 34705215, 46273620, 69410430, 138820860]

約数ペア:

[(1, 138820860), (2, 69410430), (3, 46273620), (4, 34705215), (5, 27764172), (6, 23136810), (9, 15424540), (10, 13882086), (12, 11568405), (15, 9254724), (18, 7712270), (20, 6941043), (30, 4627362), (36, 3856135), (45, 3084908), (60, 2313681), (90, 1542454), (180, 771227)]