28793640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239947}}^1$

素因数の和:239961

約数の個数: 32

約数和(自身を含む): 86381280

約数和(自身を除く): 57587640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239947, 479894, 719841, 959788, 1199735, 1439682, 1919576, 2399470, 2879364, 3599205, 4798940, 5758728, 7198410, 9597880, 14396820, 28793640]

約数ペア:

[(1, 28793640), (2, 14396820), (3, 9597880), (4, 7198410), (5, 5758728), (6, 4798940), (8, 3599205), (10, 2879364), (12, 2399470), (15, 1919576), (20, 1439682), (24, 1199735), (30, 959788), (40, 719841), (60, 479894), (120, 239947)]