2557320

素因数分解:

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

素因数の和:326

約数の個数: 64

約数和(自身を含む): 7784640

約数和(自身を除く): 5227320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 211, 303, 404, 422, 505, 606, 633, 808, 844, 1010, 1055, 1212, 1266, 1515, 1688, 2020, 2110, 2424, 2532, 3030, 3165, 4040, 4220, 5064, 6060, 6330, 8440, 12120, 12660, 21311, 25320, 42622, 63933, 85244, 106555, 127866, 170488, 213110, 255732, 319665, 426220, 511464, 639330, 852440, 1278660, 2557320]

約数ペア:

[(1, 2557320), (2, 1278660), (3, 852440), (4, 639330), (5, 511464), (6, 426220), (8, 319665), (10, 255732), (12, 213110), (15, 170488), (20, 127866), (24, 106555), (30, 85244), (40, 63933), (60, 42622), (101, 25320), (120, 21311), (202, 12660), (211, 12120), (303, 8440), (404, 6330), (422, 6060), (505, 5064), (606, 4220), (633, 4040), (808, 3165), (844, 3030), (1010, 2532), (1055, 2424), (1212, 2110), (1266, 2020), (1515, 1688)]