205187220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{162847}}^1$

素因数の和:162869

約数の個数: 72

約数和(自身を含む): 711320064

約数和(自身を除く): 506132844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 162847, 325694, 488541, 651388, 814235, 977082, 1139929, 1465623, 1628470, 1954164, 2279858, 2442705, 2931246, 3256940, 3419787, 4559716, 4885410, 5699645, 5862492, 6839574, 7328115, 9770820, 10259361, 11399290, 13679148, 14656230, 17098935, 20518722, 22798580, 29312460, 34197870, 41037444, 51296805, 68395740, 102593610, 205187220]

約数ペア:

[(1, 205187220), (2, 102593610), (3, 68395740), (4, 51296805), (5, 41037444), (6, 34197870), (7, 29312460), (9, 22798580), (10, 20518722), (12, 17098935), (14, 14656230), (15, 13679148), (18, 11399290), (20, 10259361), (21, 9770820), (28, 7328115), (30, 6839574), (35, 5862492), (36, 5699645), (42, 4885410), (45, 4559716), (60, 3419787), (63, 3256940), (70, 2931246), (84, 2442705), (90, 2279858), (105, 1954164), (126, 1628470), (140, 1465623), (180, 1139929), (210, 977082), (252, 814235), (315, 651388), (420, 488541), (630, 325694), (1260, 162847)]