18920760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5437}}^1$

素因数の和:5480

約数の個数: 64

約数和(自身を含む): 58730400

約数和(自身を除く): 39809640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 5437, 10874, 16311, 21748, 27185, 32622, 43496, 54370, 65244, 81555, 108740, 130488, 157673, 163110, 217480, 315346, 326220, 473019, 630692, 652440, 788365, 946038, 1261384, 1576730, 1892076, 2365095, 3153460, 3784152, 4730190, 6306920, 9460380, 18920760]

約数ペア:

[(1, 18920760), (2, 9460380), (3, 6306920), (4, 4730190), (5, 3784152), (6, 3153460), (8, 2365095), (10, 1892076), (12, 1576730), (15, 1261384), (20, 946038), (24, 788365), (29, 652440), (30, 630692), (40, 473019), (58, 326220), (60, 315346), (87, 217480), (116, 163110), (120, 157673), (145, 130488), (174, 108740), (232, 81555), (290, 65244), (348, 54370), (435, 43496), (580, 32622), (696, 27185), (870, 21748), (1160, 16311), (1740, 10874), (3480, 5437)]