161749640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5869}}^1$

素因数の和:5946

約数の個数: 64

約数和(自身を含む): 399394800

約数和(自身を除く): 237645160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5512, 5869, 6890, 11738, 13780, 23476, 27560, 29345, 46952, 58690, 76297, 117380, 152594, 234760, 305188, 311057, 381485, 610376, 622114, 762970, 1244228, 1525940, 1555285, 2488456, 3051880, 3110570, 4043741, 6221140, 8087482, 12442280, 16174964, 20218705, 32349928, 40437410, 80874820, 161749640]

約数ペア:

[(1, 161749640), (2, 80874820), (4, 40437410), (5, 32349928), (8, 20218705), (10, 16174964), (13, 12442280), (20, 8087482), (26, 6221140), (40, 4043741), (52, 3110570), (53, 3051880), (65, 2488456), (104, 1555285), (106, 1525940), (130, 1244228), (212, 762970), (260, 622114), (265, 610376), (424, 381485), (520, 311057), (530, 305188), (689, 234760), (1060, 152594), (1378, 117380), (2120, 76297), (2756, 58690), (3445, 46952), (5512, 29345), (5869, 27560), (6890, 23476), (11738, 13780)]