28409580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157831}}^1$

素因数の和:157846

約数の個数: 36

約数和(自身を含む): 86176272

約数和(自身を除く): 57766692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157831, 315662, 473493, 631324, 789155, 946986, 1420479, 1578310, 1893972, 2367465, 2840958, 3156620, 4734930, 5681916, 7102395, 9469860, 14204790, 28409580]

約数ペア:

[(1, 28409580), (2, 14204790), (3, 9469860), (4, 7102395), (5, 5681916), (6, 4734930), (9, 3156620), (10, 2840958), (12, 2367465), (15, 1893972), (18, 1578310), (20, 1420479), (30, 946986), (36, 789155), (45, 631324), (60, 473493), (90, 315662), (180, 157831)]