30814520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1187}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 76982400

約数和(自身を除く): 46167880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1187, 1298, 2360, 2374, 2596, 3245, 4748, 5192, 5935, 6490, 9496, 11870, 12980, 13057, 23740, 25960, 26114, 47480, 52228, 65285, 70033, 104456, 130570, 140066, 261140, 280132, 350165, 522280, 560264, 700330, 770363, 1400660, 1540726, 2801320, 3081452, 3851815, 6162904, 7703630, 15407260, 30814520]

約数ペア:

[(1, 30814520), (2, 15407260), (4, 7703630), (5, 6162904), (8, 3851815), (10, 3081452), (11, 2801320), (20, 1540726), (22, 1400660), (40, 770363), (44, 700330), (55, 560264), (59, 522280), (88, 350165), (110, 280132), (118, 261140), (220, 140066), (236, 130570), (295, 104456), (440, 70033), (472, 65285), (590, 52228), (649, 47480), (1180, 26114), (1187, 25960), (1298, 23740), (2360, 13057), (2374, 12980), (2596, 11870), (3245, 9496), (4748, 6490), (5192, 5935)]