638655960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5322133}}^1$

素因数の和:5322147

約数の個数: 32

約数和(自身を含む): 1915968240

約数和(自身を除く): 1277312280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5322133, 10644266, 15966399, 21288532, 26610665, 31932798, 42577064, 53221330, 63865596, 79831995, 106442660, 127731192, 159663990, 212885320, 319327980, 638655960]

約数ペア:

[(1, 638655960), (2, 319327980), (3, 212885320), (4, 159663990), (5, 127731192), (6, 106442660), (8, 79831995), (10, 63865596), (12, 53221330), (15, 42577064), (20, 31932798), (24, 26610665), (30, 21288532), (40, 15966399), (60, 10644266), (120, 5322133)]