55728180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3919}}^1$

素因数の和:4013

約数の個数: 72

約数和(自身を含む): 171225600

約数和(自身を除く): 115497420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 3919, 4740, 7110, 7838, 11757, 14220, 15676, 19595, 23514, 35271, 39190, 47028, 58785, 70542, 78380, 117570, 141084, 176355, 235140, 309601, 352710, 619202, 705420, 928803, 1238404, 1548005, 1857606, 2786409, 3096010, 3715212, 4644015, 5572818, 6192020, 9288030, 11145636, 13932045, 18576060, 27864090, 55728180]

約数ペア:

[(1, 55728180), (2, 27864090), (3, 18576060), (4, 13932045), (5, 11145636), (6, 9288030), (9, 6192020), (10, 5572818), (12, 4644015), (15, 3715212), (18, 3096010), (20, 2786409), (30, 1857606), (36, 1548005), (45, 1238404), (60, 928803), (79, 705420), (90, 619202), (158, 352710), (180, 309601), (237, 235140), (316, 176355), (395, 141084), (474, 117570), (711, 78380), (790, 70542), (948, 58785), (1185, 47028), (1422, 39190), (1580, 35271), (2370, 23514), (2844, 19595), (3555, 15676), (3919, 14220), (4740, 11757), (7110, 7838)]