72815940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{404533}}^1$

素因数の和:404548

約数の個数: 36

約数和(自身を含む): 220875564

約数和(自身を除く): 148059624

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 404533, 809066, 1213599, 1618132, 2022665, 2427198, 3640797, 4045330, 4854396, 6067995, 7281594, 8090660, 12135990, 14563188, 18203985, 24271980, 36407970, 72815940]

約数ペア:

[(1, 72815940), (2, 36407970), (3, 24271980), (4, 18203985), (5, 14563188), (6, 12135990), (9, 8090660), (10, 7281594), (12, 6067995), (15, 4854396), (18, 4045330), (20, 3640797), (30, 2427198), (36, 2022665), (45, 1618132), (60, 1213599), (90, 809066), (180, 404533)]