78910380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438391}}^1$

素因数の和:438406

約数の個数: 36

約数和(自身を含む): 239362032

約数和(自身を除く): 160451652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438391, 876782, 1315173, 1753564, 2191955, 2630346, 3945519, 4383910, 5260692, 6575865, 7891038, 8767820, 13151730, 15782076, 19727595, 26303460, 39455190, 78910380]

約数ペア:

[(1, 78910380), (2, 39455190), (3, 26303460), (4, 19727595), (5, 15782076), (6, 13151730), (9, 8767820), (10, 7891038), (12, 6575865), (15, 5260692), (18, 4383910), (20, 3945519), (30, 2630346), (36, 2191955), (45, 1753564), (60, 1315173), (90, 876782), (180, 438391)]