163456740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2371}}^1$

素因数の和:2769

約数の個数: 72

約数和(自身を含む): 497323008

約数和(自身を除く): 333866268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 766, 1149, 1532, 1915, 2298, 2371, 3447, 3830, 4596, 4742, 5745, 6894, 7113, 7660, 9484, 11490, 11855, 13788, 14226, 17235, 21339, 22980, 23710, 28452, 34470, 35565, 42678, 47420, 68940, 71130, 85356, 106695, 142260, 213390, 426780, 908093, 1816186, 2724279, 3632372, 4540465, 5448558, 8172837, 9080930, 10897116, 13621395, 16345674, 18161860, 27242790, 32691348, 40864185, 54485580, 81728370, 163456740]

約数ペア:

[(1, 163456740), (2, 81728370), (3, 54485580), (4, 40864185), (5, 32691348), (6, 27242790), (9, 18161860), (10, 16345674), (12, 13621395), (15, 10897116), (18, 9080930), (20, 8172837), (30, 5448558), (36, 4540465), (45, 3632372), (60, 2724279), (90, 1816186), (180, 908093), (383, 426780), (766, 213390), (1149, 142260), (1532, 106695), (1915, 85356), (2298, 71130), (2371, 68940), (3447, 47420), (3830, 42678), (4596, 35565), (4742, 34470), (5745, 28452), (6894, 23710), (7113, 22980), (7660, 21339), (9484, 17235), (11490, 14226), (11855, 13788)]