80725428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{320339}}^1$

素因数の和:320356

約数の個数: 36

約数和(自身を含む): 233207520

約数和(自身を除く): 152482092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 320339, 640678, 961017, 1281356, 1922034, 2242373, 2883051, 3844068, 4484746, 5766102, 6727119, 8969492, 11532204, 13454238, 20181357, 26908476, 40362714, 80725428]

約数ペア:

[(1, 80725428), (2, 40362714), (3, 26908476), (4, 20181357), (6, 13454238), (7, 11532204), (9, 8969492), (12, 6727119), (14, 5766102), (18, 4484746), (21, 3844068), (28, 2883051), (36, 2242373), (42, 1922034), (63, 1281356), (84, 961017), (126, 640678), (252, 320339)]