399179520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{34651}}^1$

素因数の和:34678

約数の個数: 108

約数和(自身を含む): 1381159416

約数和(自身を除く): 981979896

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, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 34651, 69302, 103953, 138604, 173255, 207906, 277208, 311859, 346510, 415812, 519765, 554416, 623718, 693020, 831624, 1039530, 1108832, 1247436, 1386040, 1559295, 1663248, 2079060, 2217664, 2494872, 2772080, 3118590, 3326496, 4158120, 4435328, 4989744, 5544160, 6237180, 6652992, 8316240, 8870656, 9979488, 11088320, 12474360, 13305984, 16632480, 19958976, 22176640, 24948720, 26611968, 33264960, 39917952, 44353280, 49897440, 66529920, 79835904, 99794880, 133059840, 199589760, 399179520]

約数ペア:

[(1, 399179520), (2, 199589760), (3, 133059840), (4, 99794880), (5, 79835904), (6, 66529920), (8, 49897440), (9, 44353280), (10, 39917952), (12, 33264960), (15, 26611968), (16, 24948720), (18, 22176640), (20, 19958976), (24, 16632480), (30, 13305984), (32, 12474360), (36, 11088320), (40, 9979488), (45, 8870656), (48, 8316240), (60, 6652992), (64, 6237180), (72, 5544160), (80, 4989744), (90, 4435328), (96, 4158120), (120, 3326496), (128, 3118590), (144, 2772080), (160, 2494872), (180, 2217664), (192, 2079060), (240, 1663248), (256, 1559295), (288, 1386040), (320, 1247436), (360, 1108832), (384, 1039530), (480, 831624), (576, 693020), (640, 623718), (720, 554416), (768, 519765), (960, 415812), (1152, 346510), (1280, 311859), (1440, 277208), (1920, 207906), (2304, 173255), (2880, 138604), (3840, 103953), (5760, 69302), (11520, 34651)]