31172520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{259771}}^1$

素因数の和:259785

約数の個数: 32

約数和(自身を含む): 93517920

約数和(自身を除く): 62345400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 259771, 519542, 779313, 1039084, 1298855, 1558626, 2078168, 2597710, 3117252, 3896565, 5195420, 6234504, 7793130, 10390840, 15586260, 31172520]

約数ペア:

[(1, 31172520), (2, 15586260), (3, 10390840), (4, 7793130), (5, 6234504), (6, 5195420), (8, 3896565), (10, 3117252), (12, 2597710), (15, 2078168), (20, 1558626), (24, 1298855), (30, 1039084), (40, 779313), (60, 519542), (120, 259771)]