18869760

素因数分解:

$2^9\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1$

素因数の和:55

約数の個数: 400

約数和(自身を含む): 83182176

約数和(自身を除く): 64312416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 64, 65, 70, 72, 78, 80, 81, 84, 90, 91, 96, 104, 105, 108, 112, 117, 120, 126, 128, 130, 135, 140, 144, 156, 160, 162, 168, 180, 182, 189, 192, 195, 208, 210, 216, 224, 234, 240, 252, 256, 260, 270, 273, 280, 288, 312, 315, 320, 324, 336, 351, 360, 364, 378, 384, 390, 405, 416, 420, 432, 448, 455, 468, 480, 504, 512, 520, 540, 546, 560, 567, 576, 585, 624, 630, 640, 648, 672, 702, 720, 728, 756, 768, 780, 810, 819, 832, 840, 864, 896, 910, 936, 945, 960, 1008, 1040, 1053, 1080, 1092, 1120, 1134, 1152, 1170, 1248, 1260, 1280, 1296, 1344, 1365, 1404, 1440, 1456, 1512, 1536, 1560, 1620, 1638, 1664, 1680, 1728, 1755, 1792, 1820, 1872, 1890, 1920, 2016, 2080, 2106, 2160, 2184, 2240, 2268, 2304, 2340, 2457, 2496, 2520, 2560, 2592, 2688, 2730, 2808, 2835, 2880, 2912, 3024, 3120, 3240, 3276, 3328, 3360, 3456, 3510, 3584, 3640, 3744, 3780, 3840, 4032, 4095, 4160, 4212, 4320, 4368, 4480, 4536, 4608, 4680, 4914, 4992, 5040, 5184, 5265, 5376, 5460, 5616, 5670, 5760, 5824, 6048, 6240, 6480, 6552, 6656, 6720, 6912, 7020, 7280, 7371, 7488, 7560, 7680, 8064, 8190, 8320, 8424, 8640, 8736, 8960, 9072, 9360, 9828, 9984, 10080, 10368, 10530, 10752, 10920, 11232, 11340, 11520, 11648, 12096, 12285, 12480, 12960, 13104, 13440, 13824, 14040, 14560, 14742, 14976, 15120, 16128, 16380, 16640, 16848, 17280, 17472, 17920, 18144, 18720, 19656, 19968, 20160, 20736, 21060, 21840, 22464, 22680, 23040, 23296, 24192, 24570, 24960, 25920, 26208, 26880, 28080, 29120, 29484, 29952, 30240, 32256, 32760, 33280, 33696, 34560, 34944, 36288, 36855, 37440, 39312, 40320, 41472, 42120, 43680, 44928, 45360, 46592, 48384, 49140, 49920, 51840, 52416, 53760, 56160, 58240, 58968, 59904, 60480, 65520, 67392, 69120, 69888, 72576, 73710, 74880, 78624, 80640, 84240, 87360, 89856, 90720, 96768, 98280, 99840, 103680, 104832, 112320, 116480, 117936, 120960, 131040, 134784, 139776, 145152, 147420, 149760, 157248, 161280, 168480, 174720, 179712, 181440, 196560, 207360, 209664, 224640, 232960, 235872, 241920, 262080, 269568, 290304, 294840, 299520, 314496, 336960, 349440, 362880, 393120, 419328, 449280, 471744, 483840, 524160, 539136, 589680, 628992, 673920, 698880, 725760, 786240, 898560, 943488, 1048320, 1179360, 1257984, 1347840, 1451520, 1572480, 1886976, 2096640, 2358720, 2695680, 3144960, 3773952, 4717440, 6289920, 9434880, 18869760]

約数ペア:

[(1, 18869760), (2, 9434880), (3, 6289920), (4, 4717440), (5, 3773952), (6, 3144960), (7, 2695680), (8, 2358720), (9, 2096640), (10, 1886976), (12, 1572480), (13, 1451520), (14, 1347840), (15, 1257984), (16, 1179360), (18, 1048320), (20, 943488), (21, 898560), (24, 786240), (26, 725760), (27, 698880), (28, 673920), (30, 628992), (32, 589680), (35, 539136), (36, 524160), (39, 483840), (40, 471744), (42, 449280), (45, 419328), (48, 393120), (52, 362880), (54, 349440), (56, 336960), (60, 314496), (63, 299520), (64, 294840), (65, 290304), (70, 269568), (72, 262080), (78, 241920), (80, 235872), (81, 232960), (84, 224640), (90, 209664), (91, 207360), (96, 196560), (104, 181440), (105, 179712), (108, 174720), (112, 168480), (117, 161280), (120, 157248), (126, 149760), (128, 147420), (130, 145152), (135, 139776), (140, 134784), (144, 131040), (156, 120960), (160, 117936), (162, 116480), (168, 112320), (180, 104832), (182, 103680), (189, 99840), (192, 98280), (195, 96768), (208, 90720), (210, 89856), (216, 87360), (224, 84240), (234, 80640), (240, 78624), (252, 74880), (256, 73710), (260, 72576), (270, 69888), (273, 69120), (280, 67392), (288, 65520), (312, 60480), (315, 59904), (320, 58968), (324, 58240), (336, 56160), (351, 53760), (360, 52416), (364, 51840), (378, 49920), (384, 49140), (390, 48384), (405, 46592), (416, 45360), (420, 44928), (432, 43680), (448, 42120), (455, 41472), (468, 40320), (480, 39312), (504, 37440), (512, 36855), (520, 36288), (540, 34944), (546, 34560), (560, 33696), (567, 33280), (576, 32760), (585, 32256), (624, 30240), (630, 29952), (640, 29484), (648, 29120), (672, 28080), (702, 26880), (720, 26208), (728, 25920), (756, 24960), (768, 24570), (780, 24192), (810, 23296), (819, 23040), (832, 22680), (840, 22464), (864, 21840), (896, 21060), (910, 20736), (936, 20160), (945, 19968), (960, 19656), (1008, 18720), (1040, 18144), (1053, 17920), (1080, 17472), (1092, 17280), (1120, 16848), (1134, 16640), (1152, 16380), (1170, 16128), (1248, 15120), (1260, 14976), (1280, 14742), (1296, 14560), (1344, 14040), (1365, 13824), (1404, 13440), (1440, 13104), (1456, 12960), (1512, 12480), (1536, 12285), (1560, 12096), (1620, 11648), (1638, 11520), (1664, 11340), (1680, 11232), (1728, 10920), (1755, 10752), (1792, 10530), (1820, 10368), (1872, 10080), (1890, 9984), (1920, 9828), (2016, 9360), (2080, 9072), (2106, 8960), (2160, 8736), (2184, 8640), (2240, 8424), (2268, 8320), (2304, 8190), (2340, 8064), (2457, 7680), (2496, 7560), (2520, 7488), (2560, 7371), (2592, 7280), (2688, 7020), (2730, 6912), (2808, 6720), (2835, 6656), (2880, 6552), (2912, 6480), (3024, 6240), (3120, 6048), (3240, 5824), (3276, 5760), (3328, 5670), (3360, 5616), (3456, 5460), (3510, 5376), (3584, 5265), (3640, 5184), (3744, 5040), (3780, 4992), (3840, 4914), (4032, 4680), (4095, 4608), (4160, 4536), (4212, 4480), (4320, 4368)]