204887520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{541}}^1$

素因数の和:825

約数の個数: 144

約数和(自身を含む): 703134432

約数和(自身を除く): 498246912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 263, 288, 360, 480, 526, 541, 720, 789, 1052, 1082, 1315, 1440, 1578, 1623, 2104, 2164, 2367, 2630, 2705, 3156, 3246, 3945, 4208, 4328, 4734, 4869, 5260, 5410, 6312, 6492, 7890, 8115, 8416, 8656, 9468, 9738, 10520, 10820, 11835, 12624, 12984, 15780, 16230, 17312, 18936, 19476, 21040, 21640, 23670, 24345, 25248, 25968, 31560, 32460, 37872, 38952, 42080, 43280, 47340, 48690, 51936, 63120, 64920, 75744, 77904, 86560, 94680, 97380, 126240, 129840, 142283, 155808, 189360, 194760, 259680, 284566, 378720, 389520, 426849, 569132, 711415, 779040, 853698, 1138264, 1280547, 1422830, 1707396, 2134245, 2276528, 2561094, 2845660, 3414792, 4268490, 4553056, 5122188, 5691320, 6402735, 6829584, 8536980, 10244376, 11382640, 12805470, 13659168, 17073960, 20488752, 22765280, 25610940, 34147920, 40977504, 51221880, 68295840, 102443760, 204887520]

約数ペア:

[(1, 204887520), (2, 102443760), (3, 68295840), (4, 51221880), (5, 40977504), (6, 34147920), (8, 25610940), (9, 22765280), (10, 20488752), (12, 17073960), (15, 13659168), (16, 12805470), (18, 11382640), (20, 10244376), (24, 8536980), (30, 6829584), (32, 6402735), (36, 5691320), (40, 5122188), (45, 4553056), (48, 4268490), (60, 3414792), (72, 2845660), (80, 2561094), (90, 2276528), (96, 2134245), (120, 1707396), (144, 1422830), (160, 1280547), (180, 1138264), (240, 853698), (263, 779040), (288, 711415), (360, 569132), (480, 426849), (526, 389520), (541, 378720), (720, 284566), (789, 259680), (1052, 194760), (1082, 189360), (1315, 155808), (1440, 142283), (1578, 129840), (1623, 126240), (2104, 97380), (2164, 94680), (2367, 86560), (2630, 77904), (2705, 75744), (3156, 64920), (3246, 63120), (3945, 51936), (4208, 48690), (4328, 47340), (4734, 43280), (4869, 42080), (5260, 38952), (5410, 37872), (6312, 32460), (6492, 31560), (7890, 25968), (8115, 25248), (8416, 24345), (8656, 23670), (9468, 21640), (9738, 21040), (10520, 19476), (10820, 18936), (11835, 17312), (12624, 16230), (12984, 15780)]