2490660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 7685496

約数和(自身を除く): 5194836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 137, 180, 202, 274, 303, 404, 411, 505, 548, 606, 685, 822, 909, 1010, 1212, 1233, 1370, 1515, 1644, 1818, 2020, 2055, 2466, 2740, 3030, 3636, 4110, 4545, 4932, 6060, 6165, 8220, 9090, 12330, 13837, 18180, 24660, 27674, 41511, 55348, 69185, 83022, 124533, 138370, 166044, 207555, 249066, 276740, 415110, 498132, 622665, 830220, 1245330, 2490660]

約数ペア:

[(1, 2490660), (2, 1245330), (3, 830220), (4, 622665), (5, 498132), (6, 415110), (9, 276740), (10, 249066), (12, 207555), (15, 166044), (18, 138370), (20, 124533), (30, 83022), (36, 69185), (45, 55348), (60, 41511), (90, 27674), (101, 24660), (137, 18180), (180, 13837), (202, 12330), (274, 9090), (303, 8220), (404, 6165), (411, 6060), (505, 4932), (548, 4545), (606, 4110), (685, 3636), (822, 3030), (909, 2740), (1010, 2466), (1212, 2055), (1233, 2020), (1370, 1818), (1515, 1644)]