80805540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1949}}^1$

素因数の和:2652

約数の個数: 48

約数和(自身を含む): 226699200

約数和(自身を除く): 145893660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 691, 1382, 1949, 2073, 2764, 3455, 3898, 4146, 5847, 6910, 7796, 8292, 9745, 10365, 11694, 13820, 19490, 20730, 23388, 29235, 38980, 41460, 58470, 116940, 1346759, 2693518, 4040277, 5387036, 6733795, 8080554, 13467590, 16161108, 20201385, 26935180, 40402770, 80805540]

約数ペア:

[(1, 80805540), (2, 40402770), (3, 26935180), (4, 20201385), (5, 16161108), (6, 13467590), (10, 8080554), (12, 6733795), (15, 5387036), (20, 4040277), (30, 2693518), (60, 1346759), (691, 116940), (1382, 58470), (1949, 41460), (2073, 38980), (2764, 29235), (3455, 23388), (3898, 20730), (4146, 19490), (5847, 13820), (6910, 11694), (7796, 10365), (8292, 9745)]