81173580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1352893}}^1$

素因数の和:1352905

約数の個数: 24

約数和(自身を含む): 227286192

約数和(自身を除く): 146112612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1352893, 2705786, 4058679, 5411572, 6764465, 8117358, 13528930, 16234716, 20293395, 27057860, 40586790, 81173580]

約数ペア:

[(1, 81173580), (2, 40586790), (3, 27057860), (4, 20293395), (5, 16234716), (6, 13528930), (10, 8117358), (12, 6764465), (15, 5411572), (20, 4058679), (30, 2705786), (60, 1352893)]