78639420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1310657}}^1$

素因数の和:1310669

約数の個数: 24

約数和(自身を含む): 220190544

約数和(自身を除く): 141551124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1310657, 2621314, 3931971, 5242628, 6553285, 7863942, 13106570, 15727884, 19659855, 26213140, 39319710, 78639420]

約数ペア:

[(1, 78639420), (2, 39319710), (3, 26213140), (4, 19659855), (5, 15727884), (6, 13106570), (10, 7863942), (12, 6553285), (15, 5242628), (20, 3931971), (30, 2621314), (60, 1310657)]