64402920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{178897}}^1$

素因数の和:178914

約数の個数: 48

約数和(自身を含む): 209310660

約数和(自身を除く): 144907740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 178897, 357794, 536691, 715588, 894485, 1073382, 1431176, 1610073, 1788970, 2146764, 2683455, 3220146, 3577940, 4293528, 5366910, 6440292, 7155880, 8050365, 10733820, 12880584, 16100730, 21467640, 32201460, 64402920]

約数ペア:

[(1, 64402920), (2, 32201460), (3, 21467640), (4, 16100730), (5, 12880584), (6, 10733820), (8, 8050365), (9, 7155880), (10, 6440292), (12, 5366910), (15, 4293528), (18, 3577940), (20, 3220146), (24, 2683455), (30, 2146764), (36, 1788970), (40, 1610073), (45, 1431176), (60, 1073382), (72, 894485), (90, 715588), (120, 536691), (180, 357794), (360, 178897)]