81146580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1352443}}^1$

素因数の和:1352455

約数の個数: 24

約数和(自身を含む): 227210592

約数和(自身を除く): 146064012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1352443, 2704886, 4057329, 5409772, 6762215, 8114658, 13524430, 16229316, 20286645, 27048860, 40573290, 81146580]

約数ペア:

[(1, 81146580), (2, 40573290), (3, 27048860), (4, 20286645), (5, 16229316), (6, 13524430), (10, 8114658), (12, 6762215), (15, 5409772), (20, 4057329), (30, 2704886), (60, 1352443)]