1219760

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 40

約数和(自身を含む): 2886720

約数和(自身を除く): 1666960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 193, 316, 386, 395, 632, 772, 790, 965, 1264, 1544, 1580, 1930, 3088, 3160, 3860, 6320, 7720, 15247, 15440, 30494, 60988, 76235, 121976, 152470, 243952, 304940, 609880, 1219760]

約数ペア:

[(1, 1219760), (2, 609880), (4, 304940), (5, 243952), (8, 152470), (10, 121976), (16, 76235), (20, 60988), (40, 30494), (79, 15440), (80, 15247), (158, 7720), (193, 6320), (316, 3860), (386, 3160), (395, 3088), (632, 1930), (772, 1580), (790, 1544), (965, 1264)]