78977940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1316299}}^1$

素因数の和:1316311

約数の個数: 24

約数和(自身を含む): 221138400

約数和(自身を除く): 142160460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1316299, 2632598, 3948897, 5265196, 6581495, 7897794, 13162990, 15795588, 19744485, 26325980, 39488970, 78977940]

約数ペア:

[(1, 78977940), (2, 39488970), (3, 26325980), (4, 19744485), (5, 15795588), (6, 13162990), (10, 7897794), (12, 6581495), (15, 5265196), (20, 3948897), (30, 2632598), (60, 1316299)]