64643640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{538697}}^1$

素因数の和:538711

約数の個数: 32

約数和(自身を含む): 193931280

約数和(自身を除く): 129287640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 538697, 1077394, 1616091, 2154788, 2693485, 3232182, 4309576, 5386970, 6464364, 8080455, 10773940, 12928728, 16160910, 21547880, 32321820, 64643640]

約数ペア:

[(1, 64643640), (2, 32321820), (3, 21547880), (4, 16160910), (5, 12928728), (6, 10773940), (8, 8080455), (10, 6464364), (12, 5386970), (15, 4309576), (20, 3232182), (24, 2693485), (30, 2154788), (40, 1616091), (60, 1077394), (120, 538697)]