78090080

素因数分解:

$2^5\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1087}}^1$

素因数の和:1551

約数の個数: 48

約数和(自身を含む): 185068800

約数和(自身を除く): 106978720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 449, 898, 1087, 1796, 2174, 2245, 3592, 4348, 4490, 5435, 7184, 8696, 8980, 10870, 14368, 17392, 17960, 21740, 34784, 35920, 43480, 71840, 86960, 173920, 488063, 976126, 1952252, 2440315, 3904504, 4880630, 7809008, 9761260, 15618016, 19522520, 39045040, 78090080]

約数ペア:

[(1, 78090080), (2, 39045040), (4, 19522520), (5, 15618016), (8, 9761260), (10, 7809008), (16, 4880630), (20, 3904504), (32, 2440315), (40, 1952252), (80, 976126), (160, 488063), (449, 173920), (898, 86960), (1087, 71840), (1796, 43480), (2174, 35920), (2245, 34784), (3592, 21740), (4348, 17960), (4490, 17392), (5435, 14368), (7184, 10870), (8696, 8980)]