2658510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 7001280

約数和(自身を除く): 4342770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 271, 327, 542, 545, 654, 813, 981, 1090, 1355, 1626, 1635, 1962, 2439, 2710, 3270, 4065, 4878, 4905, 8130, 9810, 12195, 24390, 29539, 59078, 88617, 147695, 177234, 265851, 295390, 443085, 531702, 886170, 1329255, 2658510]

約数ペア:

[(1, 2658510), (2, 1329255), (3, 886170), (5, 531702), (6, 443085), (9, 295390), (10, 265851), (15, 177234), (18, 147695), (30, 88617), (45, 59078), (90, 29539), (109, 24390), (218, 12195), (271, 9810), (327, 8130), (542, 4905), (545, 4878), (654, 4065), (813, 3270), (981, 2710), (1090, 2439), (1355, 1962), (1626, 1635)]