79981320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{666511}}^1$

素因数の和:666525

約数の個数: 32

約数和(自身を含む): 239944320

約数和(自身を除く): 159963000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 666511, 1333022, 1999533, 2666044, 3332555, 3999066, 5332088, 6665110, 7998132, 9997665, 13330220, 15996264, 19995330, 26660440, 39990660, 79981320]

約数ペア:

[(1, 79981320), (2, 39990660), (3, 26660440), (4, 19995330), (5, 15996264), (6, 13330220), (8, 9997665), (10, 7998132), (12, 6665110), (15, 5332088), (20, 3999066), (24, 3332555), (30, 2666044), (40, 1999533), (60, 1333022), (120, 666511)]