256385460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4273091}}^1$

素因数の和:4273103

約数の個数: 24

約数和(自身を含む): 717879456

約数和(自身を除く): 461493996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4273091, 8546182, 12819273, 17092364, 21365455, 25638546, 42730910, 51277092, 64096365, 85461820, 128192730, 256385460]

約数ペア:

[(1, 256385460), (2, 128192730), (3, 85461820), (4, 64096365), (5, 51277092), (6, 42730910), (10, 25638546), (12, 21365455), (15, 17092364), (20, 12819273), (30, 8546182), (60, 4273091)]