78899820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1314997}}^1$

素因数の和:1315009

約数の個数: 24

約数和(自身を含む): 220919664

約数和(自身を除く): 142019844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1314997, 2629994, 3944991, 5259988, 6574985, 7889982, 13149970, 15779964, 19724955, 26299940, 39449910, 78899820]

約数ペア:

[(1, 78899820), (2, 39449910), (3, 26299940), (4, 19724955), (5, 15779964), (6, 13149970), (10, 7889982), (12, 6574985), (15, 5259988), (20, 3944991), (30, 2629994), (60, 1314997)]