78773220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{437629}}^1$

素因数の和:437644

約数の個数: 36

約数和(自身を含む): 238945980

約数和(自身を除く): 160172760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 437629, 875258, 1312887, 1750516, 2188145, 2625774, 3938661, 4376290, 5251548, 6564435, 7877322, 8752580, 13128870, 15754644, 19693305, 26257740, 39386610, 78773220]

約数ペア:

[(1, 78773220), (2, 39386610), (3, 26257740), (4, 19693305), (5, 15754644), (6, 13128870), (9, 8752580), (10, 7877322), (12, 6564435), (15, 5251548), (18, 4376290), (20, 3938661), (30, 2625774), (36, 2188145), (45, 1750516), (60, 1312887), (90, 875258), (180, 437629)]