81869640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{682247}}^1$

素因数の和:682261

約数の個数: 32

約数和(自身を含む): 245609280

約数和(自身を除く): 163739640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 682247, 1364494, 2046741, 2728988, 3411235, 4093482, 5457976, 6822470, 8186964, 10233705, 13644940, 16373928, 20467410, 27289880, 40934820, 81869640]

約数ペア:

[(1, 81869640), (2, 40934820), (3, 27289880), (4, 20467410), (5, 16373928), (6, 13644940), (8, 10233705), (10, 8186964), (12, 6822470), (15, 5457976), (20, 4093482), (24, 3411235), (30, 2728988), (40, 2046741), (60, 1364494), (120, 682247)]