217019640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1808497}}^1$

素因数の和:1808511

約数の個数: 32

約数和(自身を含む): 651059280

約数和(自身を除く): 434039640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1808497, 3616994, 5425491, 7233988, 9042485, 10850982, 14467976, 18084970, 21701964, 27127455, 36169940, 43403928, 54254910, 72339880, 108509820, 217019640]

約数ペア:

[(1, 217019640), (2, 108509820), (3, 72339880), (4, 54254910), (5, 43403928), (6, 36169940), (8, 27127455), (10, 21701964), (12, 18084970), (15, 14467976), (20, 10850982), (24, 9042485), (30, 7233988), (40, 5425491), (60, 3616994), (120, 1808497)]