30806820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15559}}^1$

素因数の和:15585

約数の個数: 72

約数和(自身を含む): 101949120

約数和(自身を除く): 71142300

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, 15559, 31118, 46677, 62236, 77795, 93354, 140031, 155590, 171149, 186708, 233385, 280062, 311180, 342298, 466770, 513447, 560124, 684596, 700155, 855745, 933540, 1026894, 1400310, 1540341, 1711490, 2053788, 2567235, 2800620, 3080682, 3422980, 5134470, 6161364, 7701705, 10268940, 15403410, 30806820]

約数ペア:

[(1, 30806820), (2, 15403410), (3, 10268940), (4, 7701705), (5, 6161364), (6, 5134470), (9, 3422980), (10, 3080682), (11, 2800620), (12, 2567235), (15, 2053788), (18, 1711490), (20, 1540341), (22, 1400310), (30, 1026894), (33, 933540), (36, 855745), (44, 700155), (45, 684596), (55, 560124), (60, 513447), (66, 466770), (90, 342298), (99, 311180), (110, 280062), (132, 233385), (165, 186708), (180, 171149), (198, 155590), (220, 140031), (330, 93354), (396, 77795), (495, 62236), (660, 46677), (990, 31118), (1980, 15559)]