31640220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19531}}^1$

素因数の和:19552

約数の個数: 60

約数和(自身を含む): 99261624

約数和(自身を除く): 67621404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 19531, 39062, 58593, 78124, 97655, 117186, 175779, 195310, 234372, 292965, 351558, 390620, 527337, 585930, 703116, 878895, 1054674, 1171860, 1582011, 1757790, 2109348, 2636685, 3164022, 3515580, 5273370, 6328044, 7910055, 10546740, 15820110, 31640220]

約数ペア:

[(1, 31640220), (2, 15820110), (3, 10546740), (4, 7910055), (5, 6328044), (6, 5273370), (9, 3515580), (10, 3164022), (12, 2636685), (15, 2109348), (18, 1757790), (20, 1582011), (27, 1171860), (30, 1054674), (36, 878895), (45, 703116), (54, 585930), (60, 527337), (81, 390620), (90, 351558), (108, 292965), (135, 234372), (162, 195310), (180, 175779), (270, 117186), (324, 97655), (405, 78124), (540, 58593), (810, 39062), (1620, 19531)]