256586580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1425481}}^1$

素因数の和:1425496

約数の個数: 36

約数和(自身を含む): 778313172

約数和(自身を除く): 521726592

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1425481, 2850962, 4276443, 5701924, 7127405, 8552886, 12829329, 14254810, 17105772, 21382215, 25658658, 28509620, 42764430, 51317316, 64146645, 85528860, 128293290, 256586580]

約数ペア:

[(1, 256586580), (2, 128293290), (3, 85528860), (4, 64146645), (5, 51317316), (6, 42764430), (9, 28509620), (10, 25658658), (12, 21382215), (15, 17105772), (18, 14254810), (20, 12829329), (30, 8552886), (36, 7127405), (45, 5701924), (60, 4276443), (90, 2850962), (180, 1425481)]