1380756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 3556224

約数和(自身を除く): 2175468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 167, 212, 318, 334, 501, 636, 668, 689, 1002, 1378, 2004, 2067, 2171, 2756, 4134, 4342, 6513, 8268, 8684, 8851, 13026, 17702, 26052, 26553, 35404, 53106, 106212, 115063, 230126, 345189, 460252, 690378, 1380756]

約数ペア:

[(1, 1380756), (2, 690378), (3, 460252), (4, 345189), (6, 230126), (12, 115063), (13, 106212), (26, 53106), (39, 35404), (52, 26553), (53, 26052), (78, 17702), (106, 13026), (156, 8851), (159, 8684), (167, 8268), (212, 6513), (318, 4342), (334, 4134), (501, 2756), (636, 2171), (668, 2067), (689, 2004), (1002, 1378)]