155280856760

素因数分解:

$2^3\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{1781561}}^1$

素因数の和:1783751

約数の個数: 32

約数和(自身を含む): 349542464400

約数和(自身を除く): 194261607640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2179, 4358, 8716, 10895, 17432, 21790, 43580, 87160, 1781561, 3563122, 7126244, 8907805, 14252488, 17815610, 35631220, 71262440, 3882021419, 7764042838, 15528085676, 19410107095, 31056171352, 38820214190, 77640428380, 155280856760]

約数ペア:

[(1, 155280856760), (2, 77640428380), (4, 38820214190), (5, 31056171352), (8, 19410107095), (10, 15528085676), (20, 7764042838), (40, 3882021419), (2179, 71262440), (4358, 35631220), (8716, 17815610), (10895, 14252488), (17432, 8907805), (21790, 7126244), (43580, 3563122), (87160, 1781561)]