78939720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{219277}}^1$

素因数の和:219294

約数の個数: 48

約数和(自身を含む): 256555260

約数和(自身を除く): 177615540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 219277, 438554, 657831, 877108, 1096385, 1315662, 1754216, 1973493, 2192770, 2631324, 3289155, 3946986, 4385540, 5262648, 6578310, 7893972, 8771080, 9867465, 13156620, 15787944, 19734930, 26313240, 39469860, 78939720]

約数ペア:

[(1, 78939720), (2, 39469860), (3, 26313240), (4, 19734930), (5, 15787944), (6, 13156620), (8, 9867465), (9, 8771080), (10, 7893972), (12, 6578310), (15, 5262648), (18, 4385540), (20, 3946986), (24, 3289155), (30, 2631324), (36, 2192770), (40, 1973493), (45, 1754216), (60, 1315662), (72, 1096385), (90, 877108), (120, 657831), (180, 438554), (360, 219277)]