78995880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{219433}}^1$

素因数の和:219450

約数の個数: 48

約数和(自身を含む): 256737780

約数和(自身を除く): 177741900

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, 219433, 438866, 658299, 877732, 1097165, 1316598, 1755464, 1974897, 2194330, 2633196, 3291495, 3949794, 4388660, 5266392, 6582990, 7899588, 8777320, 9874485, 13165980, 15799176, 19748970, 26331960, 39497940, 78995880]

約数ペア:

[(1, 78995880), (2, 39497940), (3, 26331960), (4, 19748970), (5, 15799176), (6, 13165980), (8, 9874485), (9, 8777320), (10, 7899588), (12, 6582990), (15, 5266392), (18, 4388660), (20, 3949794), (24, 3291495), (30, 2633196), (36, 2194330), (40, 1974897), (45, 1755464), (60, 1316598), (72, 1097165), (90, 877732), (120, 658299), (180, 438866), (360, 219433)]