261339480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{241981}}^1$

素因数の和:242001

約数の個数: 64

約数和(自身を含む): 871135200

約数和(自身を除く): 609795720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 241981, 483962, 725943, 967924, 1209905, 1451886, 1935848, 2177829, 2419810, 2903772, 3629715, 4355658, 4839620, 5807544, 6533487, 7259430, 8711316, 9679240, 10889145, 13066974, 14518860, 17422632, 21778290, 26133948, 29037720, 32667435, 43556580, 52267896, 65334870, 87113160, 130669740, 261339480]

約数ペア:

[(1, 261339480), (2, 130669740), (3, 87113160), (4, 65334870), (5, 52267896), (6, 43556580), (8, 32667435), (9, 29037720), (10, 26133948), (12, 21778290), (15, 17422632), (18, 14518860), (20, 13066974), (24, 10889145), (27, 9679240), (30, 8711316), (36, 7259430), (40, 6533487), (45, 5807544), (54, 4839620), (60, 4355658), (72, 3629715), (90, 2903772), (108, 2419810), (120, 2177829), (135, 1935848), (180, 1451886), (216, 1209905), (270, 967924), (360, 725943), (540, 483962), (1080, 241981)]