80306820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40559}}^1$

素因数の和:40585

約数の個数: 72

約数和(自身を含む): 265749120

約数和(自身を除く): 185442300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 40559, 81118, 121677, 162236, 202795, 243354, 365031, 405590, 446149, 486708, 608385, 730062, 811180, 892298, 1216770, 1338447, 1460124, 1784596, 1825155, 2230745, 2433540, 2676894, 3650310, 4015341, 4461490, 5353788, 6692235, 7300620, 8030682, 8922980, 13384470, 16061364, 20076705, 26768940, 40153410, 80306820]

約数ペア:

[(1, 80306820), (2, 40153410), (3, 26768940), (4, 20076705), (5, 16061364), (6, 13384470), (9, 8922980), (10, 8030682), (11, 7300620), (12, 6692235), (15, 5353788), (18, 4461490), (20, 4015341), (22, 3650310), (30, 2676894), (33, 2433540), (36, 2230745), (44, 1825155), (45, 1784596), (55, 1460124), (60, 1338447), (66, 1216770), (90, 892298), (99, 811180), (110, 730062), (132, 608385), (165, 486708), (180, 446149), (198, 405590), (220, 365031), (330, 243354), (396, 202795), (495, 162236), (660, 121677), (990, 81118), (1980, 40559)]