81868860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151609}}^1$

素因数の和:151627

約数の個数: 48

約数和(自身を含む): 254704800

約数和(自身を除く): 172835940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 151609, 303218, 454827, 606436, 758045, 909654, 1364481, 1516090, 1819308, 2274135, 2728962, 3032180, 4093443, 4548270, 5457924, 6822405, 8186886, 9096540, 13644810, 16373772, 20467215, 27289620, 40934430, 81868860]

約数ペア:

[(1, 81868860), (2, 40934430), (3, 27289620), (4, 20467215), (5, 16373772), (6, 13644810), (9, 9096540), (10, 8186886), (12, 6822405), (15, 5457924), (18, 4548270), (20, 4093443), (27, 3032180), (30, 2728962), (36, 2274135), (45, 1819308), (54, 1516090), (60, 1364481), (90, 909654), (108, 758045), (135, 606436), (180, 454827), (270, 303218), (540, 151609)]