30720426

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2339}}^1$

素因数の和:2554

約数の個数: 32

約数和(自身を含む): 67392000

約数和(自身を除く): 36671574

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 199, 398, 597, 1194, 2189, 2339, 4378, 4678, 6567, 7017, 13134, 14034, 25729, 51458, 77187, 154374, 465461, 930922, 1396383, 2792766, 5120071, 10240142, 15360213, 30720426]

約数ペア:

[(1, 30720426), (2, 15360213), (3, 10240142), (6, 5120071), (11, 2792766), (22, 1396383), (33, 930922), (66, 465461), (199, 154374), (398, 77187), (597, 51458), (1194, 25729), (2189, 14034), (2339, 13134), (4378, 7017), (4678, 6567)]