28166220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{937}}^1$

素因数の和:1119

約数の個数: 72

約数和(自身を含む): 86040864

約数和(自身を除く): 57874644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 835, 937, 1002, 1503, 1670, 1874, 2004, 2505, 2811, 3006, 3340, 3748, 4685, 5010, 5622, 6012, 7515, 8433, 9370, 10020, 11244, 14055, 15030, 16866, 18740, 28110, 30060, 33732, 42165, 56220, 84330, 156479, 168660, 312958, 469437, 625916, 782395, 938874, 1408311, 1564790, 1877748, 2347185, 2816622, 3129580, 4694370, 5633244, 7041555, 9388740, 14083110, 28166220]

約数ペア:

[(1, 28166220), (2, 14083110), (3, 9388740), (4, 7041555), (5, 5633244), (6, 4694370), (9, 3129580), (10, 2816622), (12, 2347185), (15, 1877748), (18, 1564790), (20, 1408311), (30, 938874), (36, 782395), (45, 625916), (60, 469437), (90, 312958), (167, 168660), (180, 156479), (334, 84330), (501, 56220), (668, 42165), (835, 33732), (937, 30060), (1002, 28110), (1503, 18740), (1670, 16866), (1874, 15030), (2004, 14055), (2505, 11244), (2811, 10020), (3006, 9370), (3340, 8433), (3748, 7515), (4685, 6012), (5010, 5622)]