129767580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{720931}}^1$

素因数の和:720946

約数の個数: 36

約数和(自身を含む): 393628872

約数和(自身を除く): 263861292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 720931, 1441862, 2162793, 2883724, 3604655, 4325586, 6488379, 7209310, 8651172, 10813965, 12976758, 14418620, 21627930, 25953516, 32441895, 43255860, 64883790, 129767580]

約数ペア:

[(1, 129767580), (2, 64883790), (3, 43255860), (4, 32441895), (5, 25953516), (6, 21627930), (9, 14418620), (10, 12976758), (12, 10813965), (15, 8651172), (18, 7209310), (20, 6488379), (30, 4325586), (36, 3604655), (45, 2883724), (60, 2162793), (90, 1441862), (180, 720931)]