131255820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{729199}}^1$

素因数の和:729214

約数の個数: 36

約数和(自身を含む): 398143200

約数和(自身を除く): 266887380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 729199, 1458398, 2187597, 2916796, 3645995, 4375194, 6562791, 7291990, 8750388, 10937985, 13125582, 14583980, 21875970, 26251164, 32813955, 43751940, 65627910, 131255820]

約数ペア:

[(1, 131255820), (2, 65627910), (3, 43751940), (4, 32813955), (5, 26251164), (6, 21875970), (9, 14583980), (10, 13125582), (12, 10937985), (15, 8750388), (18, 7291990), (20, 6562791), (30, 4375194), (36, 3645995), (45, 2916796), (60, 2187597), (90, 1458398), (180, 729199)]