720778842

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{2087}}^1\times {\mathrm{2741}}^1$

素因数の和:4843

約数の個数: 48

約数和(自身を含む): 1786292352

約数和(自身を除く): 1065513510

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 2087, 2741, 4174, 5482, 6261, 8223, 12522, 14609, 16446, 18783, 19187, 24669, 29218, 37566, 38374, 43827, 49338, 57561, 87654, 115122, 131481, 172683, 262962, 345366, 5720467, 11440934, 17161401, 34322802, 40043269, 51484203, 80086538, 102968406, 120129807, 240259614, 360389421, 720778842]

約数ペア:

[(1, 720778842), (2, 360389421), (3, 240259614), (6, 120129807), (7, 102968406), (9, 80086538), (14, 51484203), (18, 40043269), (21, 34322802), (42, 17161401), (63, 11440934), (126, 5720467), (2087, 345366), (2741, 262962), (4174, 172683), (5482, 131481), (6261, 115122), (8223, 87654), (12522, 57561), (14609, 49338), (16446, 43827), (18783, 38374), (19187, 37566), (24669, 29218)]