21880320

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 320

約数和(自身を含む): 89565696

約数和(自身を除く): 67685376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 37, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 74, 77, 80, 84, 88, 96, 105, 110, 111, 112, 120, 128, 132, 140, 148, 154, 160, 165, 168, 176, 185, 192, 210, 220, 222, 224, 231, 240, 256, 259, 264, 280, 296, 308, 320, 330, 336, 352, 370, 384, 385, 407, 420, 440, 444, 448, 462, 480, 512, 518, 528, 555, 560, 592, 616, 640, 660, 672, 704, 740, 768, 770, 777, 814, 840, 880, 888, 896, 924, 960, 1036, 1056, 1110, 1120, 1155, 1184, 1221, 1232, 1280, 1295, 1320, 1344, 1408, 1480, 1536, 1540, 1554, 1628, 1680, 1760, 1776, 1792, 1848, 1920, 2035, 2072, 2112, 2220, 2240, 2310, 2368, 2442, 2464, 2560, 2590, 2640, 2688, 2816, 2849, 2960, 3080, 3108, 3256, 3360, 3520, 3552, 3584, 3696, 3840, 3885, 4070, 4144, 4224, 4440, 4480, 4620, 4736, 4884, 4928, 5180, 5280, 5376, 5632, 5698, 5920, 6105, 6160, 6216, 6512, 6720, 7040, 7104, 7392, 7680, 7770, 8140, 8288, 8448, 8547, 8880, 8960, 9240, 9472, 9768, 9856, 10360, 10560, 10752, 11396, 11840, 12210, 12320, 12432, 13024, 13440, 14080, 14208, 14245, 14784, 15540, 16280, 16576, 16896, 17094, 17760, 17920, 18480, 18944, 19536, 19712, 20720, 21120, 22792, 23680, 24420, 24640, 24864, 26048, 26880, 28160, 28416, 28490, 29568, 31080, 32560, 33152, 34188, 35520, 36960, 39072, 39424, 41440, 42240, 42735, 45584, 47360, 48840, 49280, 49728, 52096, 53760, 56832, 56980, 59136, 62160, 65120, 66304, 68376, 71040, 73920, 78144, 82880, 84480, 85470, 91168, 94720, 97680, 98560, 99456, 104192, 113960, 118272, 124320, 130240, 132608, 136752, 142080, 147840, 156288, 165760, 170940, 182336, 195360, 197120, 198912, 208384, 227920, 248640, 260480, 273504, 284160, 295680, 312576, 331520, 341880, 364672, 390720, 397824, 455840, 497280, 520960, 547008, 591360, 625152, 663040, 683760, 729344, 781440, 911680, 994560, 1041920, 1094016, 1367520, 1458688, 1562880, 1823360, 1989120, 2188032, 2735040, 3125760, 3646720, 4376064, 5470080, 7293440, 10940160, 21880320]

約数ペア:

[(1, 21880320), (2, 10940160), (3, 7293440), (4, 5470080), (5, 4376064), (6, 3646720), (7, 3125760), (8, 2735040), (10, 2188032), (11, 1989120), (12, 1823360), (14, 1562880), (15, 1458688), (16, 1367520), (20, 1094016), (21, 1041920), (22, 994560), (24, 911680), (28, 781440), (30, 729344), (32, 683760), (33, 663040), (35, 625152), (37, 591360), (40, 547008), (42, 520960), (44, 497280), (48, 455840), (55, 397824), (56, 390720), (60, 364672), (64, 341880), (66, 331520), (70, 312576), (74, 295680), (77, 284160), (80, 273504), (84, 260480), (88, 248640), (96, 227920), (105, 208384), (110, 198912), (111, 197120), (112, 195360), (120, 182336), (128, 170940), (132, 165760), (140, 156288), (148, 147840), (154, 142080), (160, 136752), (165, 132608), (168, 130240), (176, 124320), (185, 118272), (192, 113960), (210, 104192), (220, 99456), (222, 98560), (224, 97680), (231, 94720), (240, 91168), (256, 85470), (259, 84480), (264, 82880), (280, 78144), (296, 73920), (308, 71040), (320, 68376), (330, 66304), (336, 65120), (352, 62160), (370, 59136), (384, 56980), (385, 56832), (407, 53760), (420, 52096), (440, 49728), (444, 49280), (448, 48840), (462, 47360), (480, 45584), (512, 42735), (518, 42240), (528, 41440), (555, 39424), (560, 39072), (592, 36960), (616, 35520), (640, 34188), (660, 33152), (672, 32560), (704, 31080), (740, 29568), (768, 28490), (770, 28416), (777, 28160), (814, 26880), (840, 26048), (880, 24864), (888, 24640), (896, 24420), (924, 23680), (960, 22792), (1036, 21120), (1056, 20720), (1110, 19712), (1120, 19536), (1155, 18944), (1184, 18480), (1221, 17920), (1232, 17760), (1280, 17094), (1295, 16896), (1320, 16576), (1344, 16280), (1408, 15540), (1480, 14784), (1536, 14245), (1540, 14208), (1554, 14080), (1628, 13440), (1680, 13024), (1760, 12432), (1776, 12320), (1792, 12210), (1848, 11840), (1920, 11396), (2035, 10752), (2072, 10560), (2112, 10360), (2220, 9856), (2240, 9768), (2310, 9472), (2368, 9240), (2442, 8960), (2464, 8880), (2560, 8547), (2590, 8448), (2640, 8288), (2688, 8140), (2816, 7770), (2849, 7680), (2960, 7392), (3080, 7104), (3108, 7040), (3256, 6720), (3360, 6512), (3520, 6216), (3552, 6160), (3584, 6105), (3696, 5920), (3840, 5698), (3885, 5632), (4070, 5376), (4144, 5280), (4224, 5180), (4440, 4928), (4480, 4884), (4620, 4736)]