2156580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11981}}^1$

素因数の和:11996

約数の個数: 36

約数和(自身を含む): 6542172

約数和(自身を除く): 4385592

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 11981, 23962, 35943, 47924, 59905, 71886, 107829, 119810, 143772, 179715, 215658, 239620, 359430, 431316, 539145, 718860, 1078290, 2156580]

約数ペア:

[(1, 2156580), (2, 1078290), (3, 718860), (4, 539145), (5, 431316), (6, 359430), (9, 239620), (10, 215658), (12, 179715), (15, 143772), (18, 119810), (20, 107829), (30, 71886), (36, 59905), (45, 47924), (60, 35943), (90, 23962), (180, 11981)]