243771420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{31991}}^1$

素因数の和:32130

約数の個数: 48

約数和(自身を含む): 687955968

約数和(自身を除く): 444184548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3810, 7620, 31991, 63982, 95973, 127964, 159955, 191946, 319910, 383892, 479865, 639820, 959730, 1919460, 4062857, 8125714, 12188571, 16251428, 20314285, 24377142, 40628570, 48754284, 60942855, 81257140, 121885710, 243771420]

約数ペア:

[(1, 243771420), (2, 121885710), (3, 81257140), (4, 60942855), (5, 48754284), (6, 40628570), (10, 24377142), (12, 20314285), (15, 16251428), (20, 12188571), (30, 8125714), (60, 4062857), (127, 1919460), (254, 959730), (381, 639820), (508, 479865), (635, 383892), (762, 319910), (1270, 191946), (1524, 159955), (1905, 127964), (2540, 95973), (3810, 63982), (7620, 31991)]