80438520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{670321}}^1$

素因数の和:670335

約数の個数: 32

約数和(自身を含む): 241315920

約数和(自身を除く): 160877400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 670321, 1340642, 2010963, 2681284, 3351605, 4021926, 5362568, 6703210, 8043852, 10054815, 13406420, 16087704, 20109630, 26812840, 40219260, 80438520]

約数ペア:

[(1, 80438520), (2, 40219260), (3, 26812840), (4, 20109630), (5, 16087704), (6, 13406420), (8, 10054815), (10, 8043852), (12, 6703210), (15, 5362568), (20, 4021926), (24, 3351605), (30, 2681284), (40, 2010963), (60, 1340642), (120, 670321)]