20606400

素因数分解:

$2^6\times 3^5\times 5^2\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 252

約数和(自身を含む): 77385672

約数和(自身を除く): 56779272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 53, 54, 60, 64, 72, 75, 80, 81, 90, 96, 100, 106, 108, 120, 135, 144, 150, 159, 160, 162, 180, 192, 200, 212, 216, 225, 240, 243, 265, 270, 288, 300, 318, 320, 324, 360, 400, 405, 424, 432, 450, 477, 480, 486, 530, 540, 576, 600, 636, 648, 675, 720, 795, 800, 810, 848, 864, 900, 954, 960, 972, 1060, 1080, 1200, 1215, 1272, 1296, 1325, 1350, 1431, 1440, 1590, 1600, 1620, 1696, 1728, 1800, 1908, 1944, 2025, 2120, 2160, 2385, 2400, 2430, 2544, 2592, 2650, 2700, 2862, 2880, 3180, 3240, 3392, 3600, 3816, 3888, 3975, 4050, 4240, 4293, 4320, 4770, 4800, 4860, 5088, 5184, 5300, 5400, 5724, 6075, 6360, 6480, 7155, 7200, 7632, 7776, 7950, 8100, 8480, 8586, 8640, 9540, 9720, 10176, 10600, 10800, 11448, 11925, 12150, 12720, 12879, 12960, 14310, 14400, 15264, 15552, 15900, 16200, 16960, 17172, 19080, 19440, 21200, 21465, 21600, 22896, 23850, 24300, 25440, 25758, 25920, 28620, 30528, 31800, 32400, 34344, 35775, 38160, 38880, 42400, 42930, 43200, 45792, 47700, 48600, 50880, 51516, 57240, 63600, 64395, 64800, 68688, 71550, 76320, 77760, 84800, 85860, 91584, 95400, 97200, 103032, 107325, 114480, 127200, 128790, 129600, 137376, 143100, 152640, 171720, 190800, 194400, 206064, 214650, 228960, 254400, 257580, 274752, 286200, 321975, 343440, 381600, 388800, 412128, 429300, 457920, 515160, 572400, 643950, 686880, 763200, 824256, 858600, 1030320, 1144800, 1287900, 1373760, 1717200, 2060640, 2289600, 2575800, 3434400, 4121280, 5151600, 6868800, 10303200, 20606400]

約数ペア:

[(1, 20606400), (2, 10303200), (3, 6868800), (4, 5151600), (5, 4121280), (6, 3434400), (8, 2575800), (9, 2289600), (10, 2060640), (12, 1717200), (15, 1373760), (16, 1287900), (18, 1144800), (20, 1030320), (24, 858600), (25, 824256), (27, 763200), (30, 686880), (32, 643950), (36, 572400), (40, 515160), (45, 457920), (48, 429300), (50, 412128), (53, 388800), (54, 381600), (60, 343440), (64, 321975), (72, 286200), (75, 274752), (80, 257580), (81, 254400), (90, 228960), (96, 214650), (100, 206064), (106, 194400), (108, 190800), (120, 171720), (135, 152640), (144, 143100), (150, 137376), (159, 129600), (160, 128790), (162, 127200), (180, 114480), (192, 107325), (200, 103032), (212, 97200), (216, 95400), (225, 91584), (240, 85860), (243, 84800), (265, 77760), (270, 76320), (288, 71550), (300, 68688), (318, 64800), (320, 64395), (324, 63600), (360, 57240), (400, 51516), (405, 50880), (424, 48600), (432, 47700), (450, 45792), (477, 43200), (480, 42930), (486, 42400), (530, 38880), (540, 38160), (576, 35775), (600, 34344), (636, 32400), (648, 31800), (675, 30528), (720, 28620), (795, 25920), (800, 25758), (810, 25440), (848, 24300), (864, 23850), (900, 22896), (954, 21600), (960, 21465), (972, 21200), (1060, 19440), (1080, 19080), (1200, 17172), (1215, 16960), (1272, 16200), (1296, 15900), (1325, 15552), (1350, 15264), (1431, 14400), (1440, 14310), (1590, 12960), (1600, 12879), (1620, 12720), (1696, 12150), (1728, 11925), (1800, 11448), (1908, 10800), (1944, 10600), (2025, 10176), (2120, 9720), (2160, 9540), (2385, 8640), (2400, 8586), (2430, 8480), (2544, 8100), (2592, 7950), (2650, 7776), (2700, 7632), (2862, 7200), (2880, 7155), (3180, 6480), (3240, 6360), (3392, 6075), (3600, 5724), (3816, 5400), (3888, 5300), (3975, 5184), (4050, 5088), (4240, 4860), (4293, 4800), (4320, 4770)]