78879720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4729}}^1$

素因数の和:4882

約数の個数: 64

約数和(自身を含む): 238392000

約数和(自身を除く): 159512280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 4729, 5560, 8340, 9458, 14187, 16680, 18916, 23645, 28374, 37832, 47290, 56748, 70935, 94580, 113496, 141870, 189160, 283740, 567480, 657331, 1314662, 1971993, 2629324, 3286655, 3943986, 5258648, 6573310, 7887972, 9859965, 13146620, 15775944, 19719930, 26293240, 39439860, 78879720]

約数ペア:

[(1, 78879720), (2, 39439860), (3, 26293240), (4, 19719930), (5, 15775944), (6, 13146620), (8, 9859965), (10, 7887972), (12, 6573310), (15, 5258648), (20, 3943986), (24, 3286655), (30, 2629324), (40, 1971993), (60, 1314662), (120, 657331), (139, 567480), (278, 283740), (417, 189160), (556, 141870), (695, 113496), (834, 94580), (1112, 70935), (1390, 56748), (1668, 47290), (2085, 37832), (2780, 28374), (3336, 23645), (4170, 18916), (4729, 16680), (5560, 14187), (8340, 9458)]