221345280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:781

約数の個数: 240

約数和(自身を含む): 826665840

約数和(自身を除く): 605320560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 512, 520, 576, 585, 624, 640, 720, 739, 768, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1478, 1536, 1560, 1664, 1872, 1920, 2080, 2217, 2304, 2340, 2496, 2560, 2880, 2956, 3120, 3328, 3695, 3744, 3840, 4160, 4434, 4608, 4680, 4992, 5760, 5912, 6240, 6651, 6656, 7390, 7488, 7680, 8320, 8868, 9360, 9607, 9984, 11085, 11520, 11824, 12480, 13302, 14780, 14976, 16640, 17736, 18720, 19214, 19968, 22170, 23040, 23648, 24960, 26604, 28821, 29560, 29952, 33255, 33280, 35472, 37440, 38428, 44340, 47296, 48035, 49920, 53208, 57642, 59120, 59904, 66510, 70944, 74880, 76856, 86463, 88680, 94592, 96070, 99840, 106416, 115284, 118240, 133020, 141888, 144105, 149760, 153712, 172926, 177360, 189184, 192140, 212832, 230568, 236480, 266040, 283776, 288210, 299520, 307424, 345852, 354720, 378368, 384280, 425664, 432315, 461136, 472960, 532080, 567552, 576420, 614848, 691704, 709440, 768560, 851328, 864630, 922272, 945920, 1064160, 1135104, 1152840, 1229696, 1383408, 1418880, 1537120, 1702656, 1729260, 1844544, 1891840, 2128320, 2305680, 2459392, 2766816, 2837760, 3074240, 3405312, 3458520, 3689088, 4256640, 4611360, 4918784, 5533632, 5675520, 6148480, 6917040, 7378176, 8513280, 9222720, 11067264, 12296960, 13834080, 14756352, 17026560, 18445440, 22134528, 24593920, 27668160, 36890880, 44269056, 55336320, 73781760, 110672640, 221345280]

約数ペア:

[(1, 221345280), (2, 110672640), (3, 73781760), (4, 55336320), (5, 44269056), (6, 36890880), (8, 27668160), (9, 24593920), (10, 22134528), (12, 18445440), (13, 17026560), (15, 14756352), (16, 13834080), (18, 12296960), (20, 11067264), (24, 9222720), (26, 8513280), (30, 7378176), (32, 6917040), (36, 6148480), (39, 5675520), (40, 5533632), (45, 4918784), (48, 4611360), (52, 4256640), (60, 3689088), (64, 3458520), (65, 3405312), (72, 3074240), (78, 2837760), (80, 2766816), (90, 2459392), (96, 2305680), (104, 2128320), (117, 1891840), (120, 1844544), (128, 1729260), (130, 1702656), (144, 1537120), (156, 1418880), (160, 1383408), (180, 1229696), (192, 1152840), (195, 1135104), (208, 1064160), (234, 945920), (240, 922272), (256, 864630), (260, 851328), (288, 768560), (312, 709440), (320, 691704), (360, 614848), (384, 576420), (390, 567552), (416, 532080), (468, 472960), (480, 461136), (512, 432315), (520, 425664), (576, 384280), (585, 378368), (624, 354720), (640, 345852), (720, 307424), (739, 299520), (768, 288210), (780, 283776), (832, 266040), (936, 236480), (960, 230568), (1040, 212832), (1152, 192140), (1170, 189184), (1248, 177360), (1280, 172926), (1440, 153712), (1478, 149760), (1536, 144105), (1560, 141888), (1664, 133020), (1872, 118240), (1920, 115284), (2080, 106416), (2217, 99840), (2304, 96070), (2340, 94592), (2496, 88680), (2560, 86463), (2880, 76856), (2956, 74880), (3120, 70944), (3328, 66510), (3695, 59904), (3744, 59120), (3840, 57642), (4160, 53208), (4434, 49920), (4608, 48035), (4680, 47296), (4992, 44340), (5760, 38428), (5912, 37440), (6240, 35472), (6651, 33280), (6656, 33255), (7390, 29952), (7488, 29560), (7680, 28821), (8320, 26604), (8868, 24960), (9360, 23648), (9607, 23040), (9984, 22170), (11085, 19968), (11520, 19214), (11824, 18720), (12480, 17736), (13302, 16640), (14780, 14976)]