21139998720

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5023}}^1$

素因数の和:5190

約数の個数: 192

約数和(自身を含む): 68138703360

約数和(自身を除く): 46998704640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 137, 160, 192, 240, 256, 274, 320, 384, 411, 480, 512, 548, 640, 685, 768, 822, 960, 1024, 1096, 1280, 1370, 1536, 1644, 1920, 2048, 2055, 2192, 2560, 2740, 3072, 3288, 3840, 4110, 4384, 5023, 5120, 5480, 6144, 6576, 7680, 8220, 8768, 10046, 10240, 10960, 13152, 15069, 15360, 16440, 17536, 20092, 21920, 25115, 26304, 30138, 30720, 32880, 35072, 40184, 43840, 50230, 52608, 60276, 65760, 70144, 75345, 80368, 87680, 100460, 105216, 120552, 131520, 140288, 150690, 160736, 175360, 200920, 210432, 241104, 263040, 280576, 301380, 321472, 350720, 401840, 420864, 482208, 526080, 602760, 642944, 688151, 701440, 803680, 841728, 964416, 1052160, 1205520, 1285888, 1376302, 1402880, 1607360, 1928832, 2064453, 2104320, 2411040, 2571776, 2752604, 3214720, 3440755, 3857664, 4128906, 4208640, 4822080, 5143552, 5505208, 6429440, 6881510, 7715328, 8257812, 9644160, 10287104, 10322265, 11010416, 12858880, 13763020, 15430656, 16515624, 19288320, 20644530, 22020832, 25717760, 27526040, 30861312, 33031248, 38576640, 41289060, 44041664, 51435520, 55052080, 66062496, 77153280, 82578120, 88083328, 110104160, 132124992, 154306560, 165156240, 176166656, 220208320, 264249984, 330312480, 352333312, 440416640, 528499968, 660624960, 704666624, 880833280, 1056999936, 1321249920, 1409333248, 1761666560, 2113999872, 2642499840, 3523333120, 4227999744, 5284999680, 7046666240, 10569999360, 21139998720]

約数ペア:

[(1, 21139998720), (2, 10569999360), (3, 7046666240), (4, 5284999680), (5, 4227999744), (6, 3523333120), (8, 2642499840), (10, 2113999872), (12, 1761666560), (15, 1409333248), (16, 1321249920), (20, 1056999936), (24, 880833280), (30, 704666624), (32, 660624960), (40, 528499968), (48, 440416640), (60, 352333312), (64, 330312480), (80, 264249984), (96, 220208320), (120, 176166656), (128, 165156240), (137, 154306560), (160, 132124992), (192, 110104160), (240, 88083328), (256, 82578120), (274, 77153280), (320, 66062496), (384, 55052080), (411, 51435520), (480, 44041664), (512, 41289060), (548, 38576640), (640, 33031248), (685, 30861312), (768, 27526040), (822, 25717760), (960, 22020832), (1024, 20644530), (1096, 19288320), (1280, 16515624), (1370, 15430656), (1536, 13763020), (1644, 12858880), (1920, 11010416), (2048, 10322265), (2055, 10287104), (2192, 9644160), (2560, 8257812), (2740, 7715328), (3072, 6881510), (3288, 6429440), (3840, 5505208), (4110, 5143552), (4384, 4822080), (5023, 4208640), (5120, 4128906), (5480, 3857664), (6144, 3440755), (6576, 3214720), (7680, 2752604), (8220, 2571776), (8768, 2411040), (10046, 2104320), (10240, 2064453), (10960, 1928832), (13152, 1607360), (15069, 1402880), (15360, 1376302), (16440, 1285888), (17536, 1205520), (20092, 1052160), (21920, 964416), (25115, 841728), (26304, 803680), (30138, 701440), (30720, 688151), (32880, 642944), (35072, 602760), (40184, 526080), (43840, 482208), (50230, 420864), (52608, 401840), (60276, 350720), (65760, 321472), (70144, 301380), (75345, 280576), (80368, 263040), (87680, 241104), (100460, 210432), (105216, 200920), (120552, 175360), (131520, 160736), (140288, 150690)]