320196420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1778869}}^1$

素因数の和:1778884

約数の個数: 36

約数和(自身を含む): 971263020

約数和(自身を除く): 651066600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1778869, 3557738, 5336607, 7115476, 8894345, 10673214, 16009821, 17788690, 21346428, 26683035, 32019642, 35577380, 53366070, 64039284, 80049105, 106732140, 160098210, 320196420]

約数ペア:

[(1, 320196420), (2, 160098210), (3, 106732140), (4, 80049105), (5, 64039284), (6, 53366070), (9, 35577380), (10, 32019642), (12, 26683035), (15, 21346428), (18, 17788690), (20, 16009821), (30, 10673214), (36, 8894345), (45, 7115476), (60, 5336607), (90, 3557738), (180, 1778869)]