81568008

素因数分解:

$2^3\times 3^2\times {\mathrm{883}}^1\times {\mathrm{1283}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 221335920

約数和(自身を除く): 139767912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 883, 1283, 1766, 2566, 2649, 3532, 3849, 5132, 5298, 7064, 7698, 7947, 10264, 10596, 11547, 15396, 15894, 21192, 23094, 30792, 31788, 46188, 63576, 92376, 1132889, 2265778, 3398667, 4531556, 6797334, 9063112, 10196001, 13594668, 20392002, 27189336, 40784004, 81568008]

約数ペア:

[(1, 81568008), (2, 40784004), (3, 27189336), (4, 20392002), (6, 13594668), (8, 10196001), (9, 9063112), (12, 6797334), (18, 4531556), (24, 3398667), (36, 2265778), (72, 1132889), (883, 92376), (1283, 63576), (1766, 46188), (2566, 31788), (2649, 30792), (3532, 23094), (3849, 21192), (5132, 15894), (5298, 15396), (7064, 11547), (7698, 10596), (7947, 10264)]