81789540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1009}}^1$

素因数の和:1221

約数の個数: 96

約数和(自身を含む): 263343360

約数和(自身を除く): 181553820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 193, 210, 386, 420, 579, 772, 965, 1009, 1158, 1351, 1930, 2018, 2316, 2702, 2895, 3027, 3860, 4036, 4053, 5045, 5404, 5790, 6054, 6755, 7063, 8106, 10090, 11580, 12108, 13510, 14126, 15135, 16212, 20180, 20265, 21189, 27020, 28252, 30270, 35315, 40530, 42378, 60540, 70630, 81060, 84756, 105945, 141260, 194737, 211890, 389474, 423780, 584211, 778948, 973685, 1168422, 1363159, 1947370, 2336844, 2726318, 2921055, 3894740, 4089477, 5452636, 5842110, 6815795, 8178954, 11684220, 13631590, 16357908, 20447385, 27263180, 40894770, 81789540]

約数ペア:

[(1, 81789540), (2, 40894770), (3, 27263180), (4, 20447385), (5, 16357908), (6, 13631590), (7, 11684220), (10, 8178954), (12, 6815795), (14, 5842110), (15, 5452636), (20, 4089477), (21, 3894740), (28, 2921055), (30, 2726318), (35, 2336844), (42, 1947370), (60, 1363159), (70, 1168422), (84, 973685), (105, 778948), (140, 584211), (193, 423780), (210, 389474), (386, 211890), (420, 194737), (579, 141260), (772, 105945), (965, 84756), (1009, 81060), (1158, 70630), (1351, 60540), (1930, 42378), (2018, 40530), (2316, 35315), (2702, 30270), (2895, 28252), (3027, 27020), (3860, 21189), (4036, 20265), (4053, 20180), (5045, 16212), (5404, 15135), (5790, 14126), (6054, 13510), (6755, 12108), (7063, 11580), (8106, 10090)]