80426556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{727}}^1$

素因数の和:1183

約数の個数: 72

約数和(自身を含む): 233192960

約数和(自身を除く): 152766404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 439, 727, 878, 1317, 1454, 1756, 2181, 2634, 2908, 3073, 3951, 4362, 5089, 5268, 6146, 6543, 7902, 8724, 9219, 10178, 12292, 13086, 15267, 15804, 18438, 20356, 26172, 27657, 30534, 36876, 45801, 55314, 61068, 91602, 110628, 183204, 319153, 638306, 957459, 1276612, 1914918, 2234071, 2872377, 3829836, 4468142, 5744754, 6702213, 8936284, 11489508, 13404426, 20106639, 26808852, 40213278, 80426556]

約数ペア:

[(1, 80426556), (2, 40213278), (3, 26808852), (4, 20106639), (6, 13404426), (7, 11489508), (9, 8936284), (12, 6702213), (14, 5744754), (18, 4468142), (21, 3829836), (28, 2872377), (36, 2234071), (42, 1914918), (63, 1276612), (84, 957459), (126, 638306), (252, 319153), (439, 183204), (727, 110628), (878, 91602), (1317, 61068), (1454, 55314), (1756, 45801), (2181, 36876), (2634, 30534), (2908, 27657), (3073, 26172), (3951, 20356), (4362, 18438), (5089, 15804), (5268, 15267), (6146, 13086), (6543, 12292), (7902, 10178), (8724, 9219)]