77459640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{645497}}^1$

素因数の和:645511

約数の個数: 32

約数和(自身を含む): 232379280

約数和(自身を除く): 154919640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 645497, 1290994, 1936491, 2581988, 3227485, 3872982, 5163976, 6454970, 7745964, 9682455, 12909940, 15491928, 19364910, 25819880, 38729820, 77459640]

約数ペア:

[(1, 77459640), (2, 38729820), (3, 25819880), (4, 19364910), (5, 15491928), (6, 12909940), (8, 9682455), (10, 7745964), (12, 6454970), (15, 5163976), (20, 3872982), (24, 3227485), (30, 2581988), (40, 1936491), (60, 1290994), (120, 645497)]