15864480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:523

約数の個数: 144

約数和(自身を含む): 56609280

約数和(自身を除く): 40744800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 479, 480, 552, 690, 720, 736, 828, 920, 958, 1035, 1104, 1380, 1437, 1440, 1656, 1840, 1916, 2070, 2208, 2395, 2760, 2874, 3312, 3680, 3832, 4140, 4311, 4790, 5520, 5748, 6624, 7185, 7664, 8280, 8622, 9580, 11017, 11040, 11496, 14370, 15328, 16560, 17244, 19160, 21555, 22034, 22992, 28740, 33051, 33120, 34488, 38320, 43110, 44068, 45984, 55085, 57480, 66102, 68976, 76640, 86220, 88136, 99153, 110170, 114960, 132204, 137952, 165255, 172440, 176272, 198306, 220340, 229920, 264408, 330510, 344880, 352544, 396612, 440680, 495765, 528816, 661020, 689760, 793224, 881360, 991530, 1057632, 1322040, 1586448, 1762720, 1983060, 2644080, 3172896, 3966120, 5288160, 7932240, 15864480]

約数ペア:

[(1, 15864480), (2, 7932240), (3, 5288160), (4, 3966120), (5, 3172896), (6, 2644080), (8, 1983060), (9, 1762720), (10, 1586448), (12, 1322040), (15, 1057632), (16, 991530), (18, 881360), (20, 793224), (23, 689760), (24, 661020), (30, 528816), (32, 495765), (36, 440680), (40, 396612), (45, 352544), (46, 344880), (48, 330510), (60, 264408), (69, 229920), (72, 220340), (80, 198306), (90, 176272), (92, 172440), (96, 165255), (115, 137952), (120, 132204), (138, 114960), (144, 110170), (160, 99153), (180, 88136), (184, 86220), (207, 76640), (230, 68976), (240, 66102), (276, 57480), (288, 55085), (345, 45984), (360, 44068), (368, 43110), (414, 38320), (460, 34488), (479, 33120), (480, 33051), (552, 28740), (690, 22992), (720, 22034), (736, 21555), (828, 19160), (920, 17244), (958, 16560), (1035, 15328), (1104, 14370), (1380, 11496), (1437, 11040), (1440, 11017), (1656, 9580), (1840, 8622), (1916, 8280), (2070, 7664), (2208, 7185), (2395, 6624), (2760, 5748), (2874, 5520), (3312, 4790), (3680, 4311), (3832, 4140)]