38387640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{319897}}^1$

素因数の和:319911

約数の個数: 32

約数和(自身を含む): 115163280

約数和(自身を除く): 76775640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 319897, 639794, 959691, 1279588, 1599485, 1919382, 2559176, 3198970, 3838764, 4798455, 6397940, 7677528, 9596910, 12795880, 19193820, 38387640]

約数ペア:

[(1, 38387640), (2, 19193820), (3, 12795880), (4, 9596910), (5, 7677528), (6, 6397940), (8, 4798455), (10, 3838764), (12, 3198970), (15, 2559176), (20, 1919382), (24, 1599485), (30, 1279588), (40, 959691), (60, 639794), (120, 319897)]