12959820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71999}}^1$

素因数の和:72014

約数の個数: 36

約数和(自身を含む): 39312000

約数和(自身を除く): 26352180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71999, 143998, 215997, 287996, 359995, 431994, 647991, 719990, 863988, 1079985, 1295982, 1439980, 2159970, 2591964, 3239955, 4319940, 6479910, 12959820]

約数ペア:

[(1, 12959820), (2, 6479910), (3, 4319940), (4, 3239955), (5, 2591964), (6, 2159970), (9, 1439980), (10, 1295982), (12, 1079985), (15, 863988), (18, 719990), (20, 647991), (30, 431994), (36, 359995), (45, 287996), (60, 215997), (90, 143998), (180, 71999)]