72791820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{404399}}^1$

素因数の和:404414

約数の個数: 36

約数和(自身を含む): 220802400

約数和(自身を除く): 148010580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 404399, 808798, 1213197, 1617596, 2021995, 2426394, 3639591, 4043990, 4852788, 6065985, 7279182, 8087980, 12131970, 14558364, 18197955, 24263940, 36395910, 72791820]

約数ペア:

[(1, 72791820), (2, 36395910), (3, 24263940), (4, 18197955), (5, 14558364), (6, 12131970), (9, 8087980), (10, 7279182), (12, 6065985), (15, 4852788), (18, 4043990), (20, 3639591), (30, 2426394), (36, 2021995), (45, 1617596), (60, 1213197), (90, 808798), (180, 404399)]