217815720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1815131}}^1$

素因数の和:1815145

約数の個数: 32

約数和(自身を含む): 653447520

約数和(自身を除く): 435631800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1815131, 3630262, 5445393, 7260524, 9075655, 10890786, 14521048, 18151310, 21781572, 27226965, 36302620, 43563144, 54453930, 72605240, 108907860, 217815720]

約数ペア:

[(1, 217815720), (2, 108907860), (3, 72605240), (4, 54453930), (5, 43563144), (6, 36302620), (8, 27226965), (10, 21781572), (12, 18151310), (15, 14521048), (20, 10890786), (24, 9075655), (30, 7260524), (40, 5445393), (60, 3630262), (120, 1815131)]