15918980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10337}}^1$

素因数の和:10364

約数の個数: 48

約数和(自身を含む): 41682816

約数和(自身を除く): 25763836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10337, 20674, 41348, 51685, 72359, 103370, 113707, 144718, 206740, 227414, 289436, 361795, 454828, 568535, 723590, 795949, 1137070, 1447180, 1591898, 2274140, 3183796, 3979745, 7959490, 15918980]

約数ペア:

[(1, 15918980), (2, 7959490), (4, 3979745), (5, 3183796), (7, 2274140), (10, 1591898), (11, 1447180), (14, 1137070), (20, 795949), (22, 723590), (28, 568535), (35, 454828), (44, 361795), (55, 289436), (70, 227414), (77, 206740), (110, 144718), (140, 113707), (154, 103370), (220, 72359), (308, 51685), (385, 41348), (770, 20674), (1540, 10337)]