128217840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{534241}}^1$

素因数の和:534257

約数の個数: 40

約数和(自身を含む): 397476048

約数和(自身を除く): 269258208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 534241, 1068482, 1602723, 2136964, 2671205, 3205446, 4273928, 5342410, 6410892, 8013615, 8547856, 10684820, 12821784, 16027230, 21369640, 25643568, 32054460, 42739280, 64108920, 128217840]

約数ペア:

[(1, 128217840), (2, 64108920), (3, 42739280), (4, 32054460), (5, 25643568), (6, 21369640), (8, 16027230), (10, 12821784), (12, 10684820), (15, 8547856), (16, 8013615), (20, 6410892), (24, 5342410), (30, 4273928), (40, 3205446), (48, 2671205), (60, 2136964), (80, 1602723), (120, 1068482), (240, 534241)]