531559980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{9811}}^1$

素因数の和:9876

約数の個数: 144

約数和(自身を含む): 1885787904

約数和(自身を除く): 1354227924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3870, 4515, 5418, 6020, 7740, 9030, 9811, 10836, 13545, 18060, 19622, 27090, 29433, 39244, 49055, 54180, 58866, 68677, 88299, 98110, 117732, 137354, 147165, 176598, 196220, 206031, 274708, 294330, 343385, 353196, 412062, 421873, 441495, 588660, 618093, 686770, 824124, 843746, 882990, 1030155, 1236186, 1265619, 1373540, 1687492, 1765980, 2060310, 2109365, 2472372, 2531238, 2953111, 3090465, 3796857, 4120620, 4218730, 5062476, 5906222, 6180930, 6328095, 7593714, 8437460, 8859333, 11812444, 12361860, 12656190, 14765555, 15187428, 17718666, 18984285, 25312380, 26577999, 29531110, 35437332, 37968570, 44296665, 53155998, 59062220, 75937140, 88593330, 106311996, 132889995, 177186660, 265779990, 531559980]

約数ペア:

[(1, 531559980), (2, 265779990), (3, 177186660), (4, 132889995), (5, 106311996), (6, 88593330), (7, 75937140), (9, 59062220), (10, 53155998), (12, 44296665), (14, 37968570), (15, 35437332), (18, 29531110), (20, 26577999), (21, 25312380), (28, 18984285), (30, 17718666), (35, 15187428), (36, 14765555), (42, 12656190), (43, 12361860), (45, 11812444), (60, 8859333), (63, 8437460), (70, 7593714), (84, 6328095), (86, 6180930), (90, 5906222), (105, 5062476), (126, 4218730), (129, 4120620), (140, 3796857), (172, 3090465), (180, 2953111), (210, 2531238), (215, 2472372), (252, 2109365), (258, 2060310), (301, 1765980), (315, 1687492), (387, 1373540), (420, 1265619), (430, 1236186), (516, 1030155), (602, 882990), (630, 843746), (645, 824124), (774, 686770), (860, 618093), (903, 588660), (1204, 441495), (1260, 421873), (1290, 412062), (1505, 353196), (1548, 343385), (1806, 294330), (1935, 274708), (2580, 206031), (2709, 196220), (3010, 176598), (3612, 147165), (3870, 137354), (4515, 117732), (5418, 98110), (6020, 88299), (7740, 68677), (9030, 58866), (9811, 54180), (10836, 49055), (13545, 39244), (18060, 29433), (19622, 27090)]