81233580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1353893}}^1$

素因数の和:1353905

約数の個数: 24

約数和(自身を含む): 227454192

約数和(自身を除く): 146220612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1353893, 2707786, 4061679, 5415572, 6769465, 8123358, 13538930, 16246716, 20308395, 27077860, 40616790, 81233580]

約数ペア:

[(1, 81233580), (2, 40616790), (3, 27077860), (4, 20308395), (5, 16246716), (6, 13538930), (10, 8123358), (12, 6769465), (15, 5415572), (20, 4061679), (30, 2707786), (60, 1353893)]