81779820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1362997}}^1$

素因数の和:1363009

約数の個数: 24

約数和(自身を含む): 228983664

約数和(自身を除く): 147203844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1362997, 2725994, 4088991, 5451988, 6814985, 8177982, 13629970, 16355964, 20444955, 27259940, 40889910, 81779820]

約数ペア:

[(1, 81779820), (2, 40889910), (3, 27259940), (4, 20444955), (5, 16355964), (6, 13629970), (10, 8177982), (12, 6814985), (15, 5451988), (20, 4088991), (30, 2725994), (60, 1362997)]