1639731660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3904123}}^1$

素因数の和:3904142

約数の個数: 48

約数和(自身を含む): 5247142656

約数和(自身を除く): 3607410996

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, 210, 420, 3904123, 7808246, 11712369, 15616492, 19520615, 23424738, 27328861, 39041230, 46849476, 54657722, 58561845, 78082460, 81986583, 109315444, 117123690, 136644305, 163973166, 234247380, 273288610, 327946332, 409932915, 546577220, 819865830, 1639731660]

約数ペア:

[(1, 1639731660), (2, 819865830), (3, 546577220), (4, 409932915), (5, 327946332), (6, 273288610), (7, 234247380), (10, 163973166), (12, 136644305), (14, 117123690), (15, 109315444), (20, 81986583), (21, 78082460), (28, 58561845), (30, 54657722), (35, 46849476), (42, 39041230), (60, 27328861), (70, 23424738), (84, 19520615), (105, 15616492), (140, 11712369), (210, 7808246), (420, 3904123)]