16839680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 176

約数和(自身を含む): 49521024

約数和(自身を除く): 32681344

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 23, 26, 32, 40, 44, 46, 52, 55, 64, 65, 80, 88, 92, 104, 110, 115, 128, 130, 143, 160, 176, 184, 208, 220, 230, 253, 256, 260, 286, 299, 320, 352, 368, 416, 440, 460, 506, 512, 520, 572, 598, 640, 704, 715, 736, 832, 880, 920, 1012, 1024, 1040, 1144, 1196, 1265, 1280, 1408, 1430, 1472, 1495, 1664, 1760, 1840, 2024, 2080, 2288, 2392, 2530, 2560, 2816, 2860, 2944, 2990, 3289, 3328, 3520, 3680, 4048, 4160, 4576, 4784, 5060, 5120, 5632, 5720, 5888, 5980, 6578, 6656, 7040, 7360, 8096, 8320, 9152, 9568, 10120, 11264, 11440, 11776, 11960, 13156, 13312, 14080, 14720, 16192, 16445, 16640, 18304, 19136, 20240, 22880, 23552, 23920, 26312, 28160, 29440, 32384, 32890, 33280, 36608, 38272, 40480, 45760, 47840, 52624, 56320, 58880, 64768, 65780, 66560, 73216, 76544, 80960, 91520, 95680, 105248, 117760, 129536, 131560, 146432, 153088, 161920, 183040, 191360, 210496, 259072, 263120, 306176, 323840, 366080, 382720, 420992, 526240, 647680, 732160, 765440, 841984, 1052480, 1295360, 1530880, 1683968, 2104960, 3367936, 4209920, 8419840, 16839680]

約数ペア:

[(1, 16839680), (2, 8419840), (4, 4209920), (5, 3367936), (8, 2104960), (10, 1683968), (11, 1530880), (13, 1295360), (16, 1052480), (20, 841984), (22, 765440), (23, 732160), (26, 647680), (32, 526240), (40, 420992), (44, 382720), (46, 366080), (52, 323840), (55, 306176), (64, 263120), (65, 259072), (80, 210496), (88, 191360), (92, 183040), (104, 161920), (110, 153088), (115, 146432), (128, 131560), (130, 129536), (143, 117760), (160, 105248), (176, 95680), (184, 91520), (208, 80960), (220, 76544), (230, 73216), (253, 66560), (256, 65780), (260, 64768), (286, 58880), (299, 56320), (320, 52624), (352, 47840), (368, 45760), (416, 40480), (440, 38272), (460, 36608), (506, 33280), (512, 32890), (520, 32384), (572, 29440), (598, 28160), (640, 26312), (704, 23920), (715, 23552), (736, 22880), (832, 20240), (880, 19136), (920, 18304), (1012, 16640), (1024, 16445), (1040, 16192), (1144, 14720), (1196, 14080), (1265, 13312), (1280, 13156), (1408, 11960), (1430, 11776), (1472, 11440), (1495, 11264), (1664, 10120), (1760, 9568), (1840, 9152), (2024, 8320), (2080, 8096), (2288, 7360), (2392, 7040), (2530, 6656), (2560, 6578), (2816, 5980), (2860, 5888), (2944, 5720), (2990, 5632), (3289, 5120), (3328, 5060), (3520, 4784), (3680, 4576), (4048, 4160)]