211491840

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{281}}^1$

素因数の和:323

約数の個数: 264

約数和(自身を含む): 789683472

約数和(自身を除く): 578191632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 281, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 562, 588, 640, 672, 735, 768, 784, 840, 843, 896, 960, 980, 1024, 1120, 1124, 1176, 1280, 1344, 1405, 1470, 1536, 1568, 1680, 1686, 1792, 1920, 1960, 1967, 2240, 2248, 2352, 2560, 2688, 2810, 2940, 3072, 3136, 3360, 3372, 3584, 3840, 3920, 3934, 4215, 4480, 4496, 4704, 5120, 5376, 5620, 5880, 5901, 6272, 6720, 6744, 7168, 7680, 7840, 7868, 8430, 8960, 8992, 9408, 9835, 10752, 11240, 11760, 11802, 12544, 13440, 13488, 13769, 15360, 15680, 15736, 16860, 17920, 17984, 18816, 19670, 21504, 22480, 23520, 23604, 25088, 26880, 26976, 27538, 29505, 31360, 31472, 33720, 35840, 35968, 37632, 39340, 41307, 44960, 47040, 47208, 50176, 53760, 53952, 55076, 59010, 62720, 62944, 67440, 68845, 71936, 75264, 78680, 82614, 89920, 94080, 94416, 107520, 107904, 110152, 118020, 125440, 125888, 134880, 137690, 143872, 150528, 157360, 165228, 179840, 188160, 188832, 206535, 215808, 220304, 236040, 250880, 251776, 269760, 275380, 287744, 314720, 330456, 359680, 376320, 377664, 413070, 431616, 440608, 472080, 503552, 539520, 550760, 629440, 660912, 719360, 752640, 755328, 826140, 863232, 881216, 944160, 1007104, 1079040, 1101520, 1258880, 1321824, 1438720, 1510656, 1652280, 1762432, 1888320, 2014208, 2158080, 2203040, 2517760, 2643648, 3021312, 3304560, 3524864, 3776640, 4316160, 4406080, 5035520, 5287296, 6042624, 6609120, 7049728, 7553280, 8812160, 10071040, 10574592, 13218240, 14099456, 15106560, 17624320, 21149184, 26436480, 30213120, 35248640, 42298368, 52872960, 70497280, 105745920, 211491840]

約数ペア:

[(1, 211491840), (2, 105745920), (3, 70497280), (4, 52872960), (5, 42298368), (6, 35248640), (7, 30213120), (8, 26436480), (10, 21149184), (12, 17624320), (14, 15106560), (15, 14099456), (16, 13218240), (20, 10574592), (21, 10071040), (24, 8812160), (28, 7553280), (30, 7049728), (32, 6609120), (35, 6042624), (40, 5287296), (42, 5035520), (48, 4406080), (49, 4316160), (56, 3776640), (60, 3524864), (64, 3304560), (70, 3021312), (80, 2643648), (84, 2517760), (96, 2203040), (98, 2158080), (105, 2014208), (112, 1888320), (120, 1762432), (128, 1652280), (140, 1510656), (147, 1438720), (160, 1321824), (168, 1258880), (192, 1101520), (196, 1079040), (210, 1007104), (224, 944160), (240, 881216), (245, 863232), (256, 826140), (280, 755328), (281, 752640), (294, 719360), (320, 660912), (336, 629440), (384, 550760), (392, 539520), (420, 503552), (448, 472080), (480, 440608), (490, 431616), (512, 413070), (560, 377664), (562, 376320), (588, 359680), (640, 330456), (672, 314720), (735, 287744), (768, 275380), (784, 269760), (840, 251776), (843, 250880), (896, 236040), (960, 220304), (980, 215808), (1024, 206535), (1120, 188832), (1124, 188160), (1176, 179840), (1280, 165228), (1344, 157360), (1405, 150528), (1470, 143872), (1536, 137690), (1568, 134880), (1680, 125888), (1686, 125440), (1792, 118020), (1920, 110152), (1960, 107904), (1967, 107520), (2240, 94416), (2248, 94080), (2352, 89920), (2560, 82614), (2688, 78680), (2810, 75264), (2940, 71936), (3072, 68845), (3136, 67440), (3360, 62944), (3372, 62720), (3584, 59010), (3840, 55076), (3920, 53952), (3934, 53760), (4215, 50176), (4480, 47208), (4496, 47040), (4704, 44960), (5120, 41307), (5376, 39340), (5620, 37632), (5880, 35968), (5901, 35840), (6272, 33720), (6720, 31472), (6744, 31360), (7168, 29505), (7680, 27538), (7840, 26976), (7868, 26880), (8430, 25088), (8960, 23604), (8992, 23520), (9408, 22480), (9835, 21504), (10752, 19670), (11240, 18816), (11760, 17984), (11802, 17920), (12544, 16860), (13440, 15736), (13488, 15680), (13769, 15360)]