80499780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{447221}}^1$

素因数の和:447236

約数の個数: 36

約数和(自身を含む): 244183212

約数和(自身を除く): 163683432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 447221, 894442, 1341663, 1788884, 2236105, 2683326, 4024989, 4472210, 5366652, 6708315, 8049978, 8944420, 13416630, 16099956, 20124945, 26833260, 40249890, 80499780]

約数ペア:

[(1, 80499780), (2, 40249890), (3, 26833260), (4, 20124945), (5, 16099956), (6, 13416630), (9, 8944420), (10, 8049978), (12, 6708315), (15, 5366652), (18, 4472210), (20, 4024989), (30, 2683326), (36, 2236105), (45, 1788884), (60, 1341663), (90, 894442), (180, 447221)]