4005660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 11344032

約数和(自身を除く): 7338372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 661, 1010, 1212, 1322, 1515, 1983, 2020, 2644, 3030, 3305, 3966, 6060, 6610, 7932, 9915, 13220, 19830, 39660, 66761, 133522, 200283, 267044, 333805, 400566, 667610, 801132, 1001415, 1335220, 2002830, 4005660]

約数ペア:

[(1, 4005660), (2, 2002830), (3, 1335220), (4, 1001415), (5, 801132), (6, 667610), (10, 400566), (12, 333805), (15, 267044), (20, 200283), (30, 133522), (60, 66761), (101, 39660), (202, 19830), (303, 13220), (404, 9915), (505, 7932), (606, 6610), (661, 6060), (1010, 3966), (1212, 3305), (1322, 3030), (1515, 2644), (1983, 2020)]