120728728

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{719}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 229824000

約数和(自身を除く): 109095272

約数列:

[1, 2, 4, 8, 139, 151, 278, 302, 556, 604, 719, 1112, 1208, 1438, 2876, 5752, 20989, 41978, 83956, 99941, 108569, 167912, 199882, 217138, 399764, 434276, 799528, 868552, 15091091, 30182182, 60364364, 120728728]

約数ペア:

[(1, 120728728), (2, 60364364), (4, 30182182), (8, 15091091), (139, 868552), (151, 799528), (278, 434276), (302, 399764), (556, 217138), (604, 199882), (719, 167912), (1112, 108569), (1208, 99941), (1438, 83956), (2876, 41978), (5752, 20989)]