129242640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{538511}}^1$

素因数の和:538527

約数の個数: 40

約数和(自身を含む): 400652928

約数和(自身を除く): 271410288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 538511, 1077022, 1615533, 2154044, 2692555, 3231066, 4308088, 5385110, 6462132, 8077665, 8616176, 10770220, 12924264, 16155330, 21540440, 25848528, 32310660, 43080880, 64621320, 129242640]

約数ペア:

[(1, 129242640), (2, 64621320), (3, 43080880), (4, 32310660), (5, 25848528), (6, 21540440), (8, 16155330), (10, 12924264), (12, 10770220), (15, 8616176), (16, 8077665), (20, 6462132), (24, 5385110), (30, 4308088), (40, 3231066), (48, 2692555), (60, 2154044), (80, 1615533), (120, 1077022), (240, 538511)]