256818960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{356693}}^1$

素因数の和:356712

約数の個数: 60

約数和(自身を含む): 862486092

約数和(自身を除く): 605667132

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 356693, 713386, 1070079, 1426772, 1783465, 2140158, 2853544, 3210237, 3566930, 4280316, 5350395, 5707088, 6420474, 7133860, 8560632, 10700790, 12840948, 14267720, 16051185, 17121264, 21401580, 25681896, 28535440, 32102370, 42803160, 51363792, 64204740, 85606320, 128409480, 256818960]

約数ペア:

[(1, 256818960), (2, 128409480), (3, 85606320), (4, 64204740), (5, 51363792), (6, 42803160), (8, 32102370), (9, 28535440), (10, 25681896), (12, 21401580), (15, 17121264), (16, 16051185), (18, 14267720), (20, 12840948), (24, 10700790), (30, 8560632), (36, 7133860), (40, 6420474), (45, 5707088), (48, 5350395), (60, 4280316), (72, 3566930), (80, 3210237), (90, 2853544), (120, 2140158), (144, 1783465), (180, 1426772), (240, 1070079), (360, 713386), (720, 356693)]