23281720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7559}}^1$

素因数の和:7588

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 42036680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 7559, 15118, 30236, 37795, 52913, 60472, 75590, 83149, 105826, 151180, 166298, 211652, 264565, 302360, 332596, 415745, 423304, 529130, 582043, 665192, 831490, 1058260, 1164086, 1662980, 2116520, 2328172, 2910215, 3325960, 4656344, 5820430, 11640860, 23281720]

約数ペア:

[(1, 23281720), (2, 11640860), (4, 5820430), (5, 4656344), (7, 3325960), (8, 2910215), (10, 2328172), (11, 2116520), (14, 1662980), (20, 1164086), (22, 1058260), (28, 831490), (35, 665192), (40, 582043), (44, 529130), (55, 423304), (56, 415745), (70, 332596), (77, 302360), (88, 264565), (110, 211652), (140, 166298), (154, 151180), (220, 105826), (280, 83149), (308, 75590), (385, 60472), (440, 52913), (616, 37795), (770, 30236), (1540, 15118), (3080, 7559)]