199905120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4787}}^1$

素因数の和:4837

約数の個数: 144

約数和(自身を含む): 705846960

約数和(自身を除く): 505941840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 2088, 2320, 2610, 2784, 3480, 4176, 4640, 4787, 5220, 6960, 8352, 9574, 10440, 13920, 14361, 19148, 20880, 23935, 28722, 38296, 41760, 43083, 47870, 57444, 71805, 76592, 86166, 95740, 114888, 138823, 143610, 153184, 172332, 191480, 215415, 229776, 277646, 287220, 344664, 382960, 416469, 430830, 459552, 555292, 574440, 689328, 694115, 765920, 832938, 861660, 1110584, 1148880, 1249407, 1378656, 1388230, 1665876, 1723320, 2082345, 2221168, 2297760, 2498814, 2776460, 3331752, 3446640, 4164690, 4442336, 4997628, 5552920, 6247035, 6663504, 6893280, 8329380, 9995256, 11105840, 12494070, 13327008, 16658760, 19990512, 22211680, 24988140, 33317520, 39981024, 49976280, 66635040, 99952560, 199905120]

約数ペア:

[(1, 199905120), (2, 99952560), (3, 66635040), (4, 49976280), (5, 39981024), (6, 33317520), (8, 24988140), (9, 22211680), (10, 19990512), (12, 16658760), (15, 13327008), (16, 12494070), (18, 11105840), (20, 9995256), (24, 8329380), (29, 6893280), (30, 6663504), (32, 6247035), (36, 5552920), (40, 4997628), (45, 4442336), (48, 4164690), (58, 3446640), (60, 3331752), (72, 2776460), (80, 2498814), (87, 2297760), (90, 2221168), (96, 2082345), (116, 1723320), (120, 1665876), (144, 1388230), (145, 1378656), (160, 1249407), (174, 1148880), (180, 1110584), (232, 861660), (240, 832938), (261, 765920), (288, 694115), (290, 689328), (348, 574440), (360, 555292), (435, 459552), (464, 430830), (480, 416469), (522, 382960), (580, 344664), (696, 287220), (720, 277646), (870, 229776), (928, 215415), (1044, 191480), (1160, 172332), (1305, 153184), (1392, 143610), (1440, 138823), (1740, 114888), (2088, 95740), (2320, 86166), (2610, 76592), (2784, 71805), (3480, 57444), (4176, 47870), (4640, 43083), (4787, 41760), (5220, 38296), (6960, 28722), (8352, 23935), (9574, 20880), (10440, 19148), (13920, 14361)]