30781254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2269}}^1$

素因数の和:2317

約数の個数: 64

約数和(自身を含む): 78451200

約数和(自身を除く): 47669946

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 51, 57, 102, 114, 119, 133, 238, 266, 323, 357, 399, 646, 714, 798, 969, 1938, 2261, 2269, 4522, 4538, 6783, 6807, 13566, 13614, 15883, 31766, 38573, 43111, 47649, 77146, 86222, 95298, 115719, 129333, 231438, 258666, 270011, 301777, 540022, 603554, 732887, 810033, 905331, 1465774, 1620066, 1810662, 2198661, 4397322, 5130209, 10260418, 15390627, 30781254]

約数ペア:

[(1, 30781254), (2, 15390627), (3, 10260418), (6, 5130209), (7, 4397322), (14, 2198661), (17, 1810662), (19, 1620066), (21, 1465774), (34, 905331), (38, 810033), (42, 732887), (51, 603554), (57, 540022), (102, 301777), (114, 270011), (119, 258666), (133, 231438), (238, 129333), (266, 115719), (323, 95298), (357, 86222), (399, 77146), (646, 47649), (714, 43111), (798, 38573), (969, 31766), (1938, 15883), (2261, 13614), (2269, 13566), (4522, 6807), (4538, 6783)]