1648980540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{90703}}^1$

素因数の和:90819

約数の個数: 72

約数和(自身を含む): 5051487168

約数和(自身を除く): 3402506628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 9090, 18180, 90703, 181406, 272109, 362812, 453515, 544218, 816327, 907030, 1088436, 1360545, 1632654, 1814060, 2721090, 3265308, 4081635, 5442180, 8163270, 9161003, 16326540, 18322006, 27483009, 36644012, 45805015, 54966018, 82449027, 91610030, 109932036, 137415045, 164898054, 183220060, 274830090, 329796108, 412245135, 549660180, 824490270, 1648980540]

約数ペア:

[(1, 1648980540), (2, 824490270), (3, 549660180), (4, 412245135), (5, 329796108), (6, 274830090), (9, 183220060), (10, 164898054), (12, 137415045), (15, 109932036), (18, 91610030), (20, 82449027), (30, 54966018), (36, 45805015), (45, 36644012), (60, 27483009), (90, 18322006), (101, 16326540), (180, 9161003), (202, 8163270), (303, 5442180), (404, 4081635), (505, 3265308), (606, 2721090), (909, 1814060), (1010, 1632654), (1212, 1360545), (1515, 1088436), (1818, 907030), (2020, 816327), (3030, 544218), (3636, 453515), (4545, 362812), (6060, 272109), (9090, 181406), (18180, 90703)]