64499640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{537497}}^1$

素因数の和:537511

約数の個数: 32

約数和(自身を含む): 193499280

約数和(自身を除く): 128999640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 537497, 1074994, 1612491, 2149988, 2687485, 3224982, 4299976, 5374970, 6449964, 8062455, 10749940, 12899928, 16124910, 21499880, 32249820, 64499640]

約数ペア:

[(1, 64499640), (2, 32249820), (3, 21499880), (4, 16124910), (5, 12899928), (6, 10749940), (8, 8062455), (10, 6449964), (12, 5374970), (15, 4299976), (20, 3224982), (24, 2687485), (30, 2149988), (40, 1612491), (60, 1074994), (120, 537497)]