80136720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111301}}^1$

素因数の和:111320

約数の個数: 60

約数和(自身を含む): 269128236

約数和(自身を除く): 188991516

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 111301, 222602, 333903, 445204, 556505, 667806, 890408, 1001709, 1113010, 1335612, 1669515, 1780816, 2003418, 2226020, 2671224, 3339030, 4006836, 4452040, 5008545, 5342448, 6678060, 8013672, 8904080, 10017090, 13356120, 16027344, 20034180, 26712240, 40068360, 80136720]

約数ペア:

[(1, 80136720), (2, 40068360), (3, 26712240), (4, 20034180), (5, 16027344), (6, 13356120), (8, 10017090), (9, 8904080), (10, 8013672), (12, 6678060), (15, 5342448), (16, 5008545), (18, 4452040), (20, 4006836), (24, 3339030), (30, 2671224), (36, 2226020), (40, 2003418), (45, 1780816), (48, 1669515), (60, 1335612), (72, 1113010), (80, 1001709), (90, 890408), (120, 667806), (144, 556505), (180, 445204), (240, 333903), (360, 222602), (720, 111301)]