674220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 2001888

約数和(自身を除く): 1327668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 661, 1020, 1322, 1983, 2644, 3305, 3966, 6610, 7932, 9915, 11237, 13220, 19830, 22474, 33711, 39660, 44948, 56185, 67422, 112370, 134844, 168555, 224740, 337110, 674220]

約数ペア:

[(1, 674220), (2, 337110), (3, 224740), (4, 168555), (5, 134844), (6, 112370), (10, 67422), (12, 56185), (15, 44948), (17, 39660), (20, 33711), (30, 22474), (34, 19830), (51, 13220), (60, 11237), (68, 9915), (85, 7932), (102, 6610), (170, 3966), (204, 3305), (255, 2644), (340, 1983), (510, 1322), (661, 1020)]