77270640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{321961}}^1$

素因数の和:321977

約数の個数: 40

約数和(自身を含む): 239539728

約数和(自身を除く): 162269088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 321961, 643922, 965883, 1287844, 1609805, 1931766, 2575688, 3219610, 3863532, 4829415, 5151376, 6439220, 7727064, 9658830, 12878440, 15454128, 19317660, 25756880, 38635320, 77270640]

約数ペア:

[(1, 77270640), (2, 38635320), (3, 25756880), (4, 19317660), (5, 15454128), (6, 12878440), (8, 9658830), (10, 7727064), (12, 6439220), (15, 5151376), (16, 4829415), (20, 3863532), (24, 3219610), (30, 2575688), (40, 1931766), (48, 1609805), (60, 1287844), (80, 965883), (120, 643922), (240, 321961)]