388638720

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{4217}}^1$

素因数の和:4250

約数の個数: 144

約数和(自身を含む): 1347271380

約数和(自身を除く): 958632660

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4217, 4608, 5120, 5760, 6144, 7680, 8434, 9216, 10240, 11520, 12651, 15360, 16868, 18432, 21085, 23040, 25302, 30720, 33736, 37953, 42170, 46080, 50604, 63255, 67472, 75906, 84340, 92160, 101208, 126510, 134944, 151812, 168680, 189765, 202416, 253020, 269888, 303624, 337360, 379530, 404832, 506040, 539776, 607248, 674720, 759060, 809664, 1012080, 1079552, 1214496, 1349440, 1518120, 1619328, 2024160, 2159104, 2428992, 2698880, 3036240, 3238656, 4048320, 4318208, 4857984, 5397760, 6072480, 6477312, 8096640, 8636416, 9715968, 10795520, 12144960, 12954624, 16193280, 19431936, 21591040, 24289920, 25909248, 32386560, 38863872, 43182080, 48579840, 64773120, 77727744, 97159680, 129546240, 194319360, 388638720]

約数ペア:

[(1, 388638720), (2, 194319360), (3, 129546240), (4, 97159680), (5, 77727744), (6, 64773120), (8, 48579840), (9, 43182080), (10, 38863872), (12, 32386560), (15, 25909248), (16, 24289920), (18, 21591040), (20, 19431936), (24, 16193280), (30, 12954624), (32, 12144960), (36, 10795520), (40, 9715968), (45, 8636416), (48, 8096640), (60, 6477312), (64, 6072480), (72, 5397760), (80, 4857984), (90, 4318208), (96, 4048320), (120, 3238656), (128, 3036240), (144, 2698880), (160, 2428992), (180, 2159104), (192, 2024160), (240, 1619328), (256, 1518120), (288, 1349440), (320, 1214496), (360, 1079552), (384, 1012080), (480, 809664), (512, 759060), (576, 674720), (640, 607248), (720, 539776), (768, 506040), (960, 404832), (1024, 379530), (1152, 337360), (1280, 303624), (1440, 269888), (1536, 253020), (1920, 202416), (2048, 189765), (2304, 168680), (2560, 151812), (2880, 134944), (3072, 126510), (3840, 101208), (4217, 92160), (4608, 84340), (5120, 75906), (5760, 67472), (6144, 63255), (7680, 50604), (8434, 46080), (9216, 42170), (10240, 37953), (11520, 33736), (12651, 30720), (15360, 25302), (16868, 23040), (18432, 21085)]