28522980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{751}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 87045504

約数和(自身を除く): 58522524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 751, 844, 1055, 1266, 1502, 1899, 2110, 2253, 2532, 3004, 3165, 3755, 3798, 4220, 4506, 6330, 6759, 7510, 7596, 9012, 9495, 11265, 12660, 13518, 15020, 18990, 22530, 27036, 33795, 37980, 45060, 67590, 135180, 158461, 316922, 475383, 633844, 792305, 950766, 1426149, 1584610, 1901532, 2376915, 2852298, 3169220, 4753830, 5704596, 7130745, 9507660, 14261490, 28522980]

約数ペア:

[(1, 28522980), (2, 14261490), (3, 9507660), (4, 7130745), (5, 5704596), (6, 4753830), (9, 3169220), (10, 2852298), (12, 2376915), (15, 1901532), (18, 1584610), (20, 1426149), (30, 950766), (36, 792305), (45, 633844), (60, 475383), (90, 316922), (180, 158461), (211, 135180), (422, 67590), (633, 45060), (751, 37980), (844, 33795), (1055, 27036), (1266, 22530), (1502, 18990), (1899, 15020), (2110, 13518), (2253, 12660), (2532, 11265), (3004, 9495), (3165, 9012), (3755, 7596), (3798, 7510), (4220, 6759), (4506, 6330)]