1278660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 3632832

約数和(自身を除く): 2354172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 211, 303, 404, 422, 505, 606, 633, 844, 1010, 1055, 1212, 1266, 1515, 2020, 2110, 2532, 3030, 3165, 4220, 6060, 6330, 12660, 21311, 42622, 63933, 85244, 106555, 127866, 213110, 255732, 319665, 426220, 639330, 1278660]

約数ペア:

[(1, 1278660), (2, 639330), (3, 426220), (4, 319665), (5, 255732), (6, 213110), (10, 127866), (12, 106555), (15, 85244), (20, 63933), (30, 42622), (60, 21311), (101, 12660), (202, 6330), (211, 6060), (303, 4220), (404, 3165), (422, 3030), (505, 2532), (606, 2110), (633, 2020), (844, 1515), (1010, 1266), (1055, 1212)]