155572960

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1471}}^1$

素因数の和:2147

約数の個数: 48

約数和(自身を含む): 368347392

約数和(自身を除く): 212774432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 1322, 1471, 2644, 2942, 3305, 5288, 5884, 6610, 7355, 10576, 11768, 13220, 14710, 21152, 23536, 26440, 29420, 47072, 52880, 58840, 105760, 117680, 235360, 972331, 1944662, 3889324, 4861655, 7778648, 9723310, 15557296, 19446620, 31114592, 38893240, 77786480, 155572960]

約数ペア:

[(1, 155572960), (2, 77786480), (4, 38893240), (5, 31114592), (8, 19446620), (10, 15557296), (16, 9723310), (20, 7778648), (32, 4861655), (40, 3889324), (80, 1944662), (160, 972331), (661, 235360), (1322, 117680), (1471, 105760), (2644, 58840), (2942, 52880), (3305, 47072), (5288, 29420), (5884, 26440), (6610, 23536), (7355, 21152), (10576, 14710), (11768, 13220)]