128668860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{714827}}^1$

素因数の和:714842

約数の個数: 36

約数和(自身を含む): 390296088

約数和(自身を除く): 261627228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 714827, 1429654, 2144481, 2859308, 3574135, 4288962, 6433443, 7148270, 8577924, 10722405, 12866886, 14296540, 21444810, 25733772, 32167215, 42889620, 64334430, 128668860]

約数ペア:

[(1, 128668860), (2, 64334430), (3, 42889620), (4, 32167215), (5, 25733772), (6, 21444810), (9, 14296540), (10, 12866886), (12, 10722405), (15, 8577924), (18, 7148270), (20, 6433443), (30, 4288962), (36, 3574135), (45, 2859308), (60, 2144481), (90, 1429654), (180, 714827)]