64621320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{538511}}^1$

素因数の和:538525

約数の個数: 32

約数和(自身を含む): 193864320

約数和(自身を除く): 129243000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 538511, 1077022, 1615533, 2154044, 2692555, 3231066, 4308088, 5385110, 6462132, 8077665, 10770220, 12924264, 16155330, 21540440, 32310660, 64621320]

約数ペア:

[(1, 64621320), (2, 32310660), (3, 21540440), (4, 16155330), (5, 12924264), (6, 10770220), (8, 8077665), (10, 6462132), (12, 5385110), (15, 4308088), (20, 3231066), (24, 2692555), (30, 2154044), (40, 1615533), (60, 1077022), (120, 538511)]