258485280

素因数分解:

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

素因数の和:538529

約数の個数: 48

約数和(自身を含む): 814230144

約数和(自身を除く): 555744864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 538511, 1077022, 1615533, 2154044, 2692555, 3231066, 4308088, 5385110, 6462132, 8077665, 8616176, 10770220, 12924264, 16155330, 17232352, 21540440, 25848528, 32310660, 43080880, 51697056, 64621320, 86161760, 129242640, 258485280]

約数ペア:

[(1, 258485280), (2, 129242640), (3, 86161760), (4, 64621320), (5, 51697056), (6, 43080880), (8, 32310660), (10, 25848528), (12, 21540440), (15, 17232352), (16, 16155330), (20, 12924264), (24, 10770220), (30, 8616176), (32, 8077665), (40, 6462132), (48, 5385110), (60, 4308088), (80, 3231066), (96, 2692555), (120, 2154044), (160, 1615533), (240, 1077022), (480, 538511)]