20637027540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{302507}}^1$

素因数の和:302901

約数の個数: 72

約数和(自身を含む): 62764359840

約数和(自身を除く): 42127332300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 1137, 1516, 1895, 2274, 3411, 3790, 4548, 5685, 6822, 7580, 11370, 13644, 17055, 22740, 34110, 68220, 302507, 605014, 907521, 1210028, 1512535, 1815042, 2722563, 3025070, 3630084, 4537605, 5445126, 6050140, 9075210, 10890252, 13612815, 18150420, 27225630, 54451260, 114650153, 229300306, 343950459, 458600612, 573250765, 687900918, 1031851377, 1146501530, 1375801836, 1719752295, 2063702754, 2293003060, 3439504590, 4127405508, 5159256885, 6879009180, 10318513770, 20637027540]

約数ペア:

[(1, 20637027540), (2, 10318513770), (3, 6879009180), (4, 5159256885), (5, 4127405508), (6, 3439504590), (9, 2293003060), (10, 2063702754), (12, 1719752295), (15, 1375801836), (18, 1146501530), (20, 1031851377), (30, 687900918), (36, 573250765), (45, 458600612), (60, 343950459), (90, 229300306), (180, 114650153), (379, 54451260), (758, 27225630), (1137, 18150420), (1516, 13612815), (1895, 10890252), (2274, 9075210), (3411, 6050140), (3790, 5445126), (4548, 4537605), (5685, 3630084), (6822, 3025070), (7580, 2722563), (11370, 1815042), (13644, 1512535), (17055, 1210028), (22740, 907521), (34110, 605014), (68220, 302507)]