81207360

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:283

約数の個数: 280

約数和(自身を含む): 312380376

約数和(自身を除く): 231173016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 241, 260, 270, 288, 312, 320, 324, 351, 360, 390, 405, 416, 432, 468, 480, 482, 520, 540, 576, 585, 624, 648, 702, 720, 723, 780, 810, 832, 864, 936, 960, 964, 1040, 1053, 1080, 1170, 1205, 1248, 1296, 1404, 1440, 1446, 1560, 1620, 1728, 1755, 1872, 1928, 2080, 2106, 2160, 2169, 2340, 2410, 2496, 2592, 2808, 2880, 2892, 3120, 3133, 3240, 3510, 3615, 3744, 3856, 4160, 4212, 4320, 4338, 4680, 4820, 5184, 5265, 5616, 5784, 6240, 6266, 6480, 6507, 7020, 7230, 7488, 7712, 8424, 8640, 8676, 9360, 9399, 9640, 10530, 10845, 11232, 11568, 12480, 12532, 12960, 13014, 14040, 14460, 15424, 15665, 16848, 17352, 18720, 18798, 19280, 19521, 21060, 21690, 22464, 23136, 25064, 25920, 26028, 28080, 28197, 28920, 31330, 32535, 33696, 34704, 37440, 37596, 38560, 39042, 42120, 43380, 46272, 46995, 50128, 52056, 56160, 56394, 57840, 62660, 65070, 67392, 69408, 75192, 77120, 78084, 84240, 84591, 86760, 93990, 97605, 100256, 104112, 112320, 112788, 115680, 125320, 130140, 138816, 140985, 150384, 156168, 168480, 169182, 173520, 187980, 195210, 200512, 208224, 225576, 231360, 250640, 253773, 260280, 281970, 300768, 312336, 336960, 338364, 347040, 375960, 390420, 416448, 422955, 451152, 501280, 507546, 520560, 563940, 601536, 624672, 676728, 694080, 751920, 780840, 845910, 902304, 1002560, 1015092, 1041120, 1127880, 1249344, 1268865, 1353456, 1503840, 1561680, 1691820, 1804608, 2030184, 2082240, 2255760, 2537730, 2706912, 3007680, 3123360, 3383640, 4060368, 4511520, 5075460, 5413824, 6246720, 6767280, 8120736, 9023040, 10150920, 13534560, 16241472, 20301840, 27069120, 40603680, 81207360]

約数ペア:

[(1, 81207360), (2, 40603680), (3, 27069120), (4, 20301840), (5, 16241472), (6, 13534560), (8, 10150920), (9, 9023040), (10, 8120736), (12, 6767280), (13, 6246720), (15, 5413824), (16, 5075460), (18, 4511520), (20, 4060368), (24, 3383640), (26, 3123360), (27, 3007680), (30, 2706912), (32, 2537730), (36, 2255760), (39, 2082240), (40, 2030184), (45, 1804608), (48, 1691820), (52, 1561680), (54, 1503840), (60, 1353456), (64, 1268865), (65, 1249344), (72, 1127880), (78, 1041120), (80, 1015092), (81, 1002560), (90, 902304), (96, 845910), (104, 780840), (108, 751920), (117, 694080), (120, 676728), (130, 624672), (135, 601536), (144, 563940), (156, 520560), (160, 507546), (162, 501280), (180, 451152), (192, 422955), (195, 416448), (208, 390420), (216, 375960), (234, 347040), (240, 338364), (241, 336960), (260, 312336), (270, 300768), (288, 281970), (312, 260280), (320, 253773), (324, 250640), (351, 231360), (360, 225576), (390, 208224), (405, 200512), (416, 195210), (432, 187980), (468, 173520), (480, 169182), (482, 168480), (520, 156168), (540, 150384), (576, 140985), (585, 138816), (624, 130140), (648, 125320), (702, 115680), (720, 112788), (723, 112320), (780, 104112), (810, 100256), (832, 97605), (864, 93990), (936, 86760), (960, 84591), (964, 84240), (1040, 78084), (1053, 77120), (1080, 75192), (1170, 69408), (1205, 67392), (1248, 65070), (1296, 62660), (1404, 57840), (1440, 56394), (1446, 56160), (1560, 52056), (1620, 50128), (1728, 46995), (1755, 46272), (1872, 43380), (1928, 42120), (2080, 39042), (2106, 38560), (2160, 37596), (2169, 37440), (2340, 34704), (2410, 33696), (2496, 32535), (2592, 31330), (2808, 28920), (2880, 28197), (2892, 28080), (3120, 26028), (3133, 25920), (3240, 25064), (3510, 23136), (3615, 22464), (3744, 21690), (3856, 21060), (4160, 19521), (4212, 19280), (4320, 18798), (4338, 18720), (4680, 17352), (4820, 16848), (5184, 15665), (5265, 15424), (5616, 14460), (5784, 14040), (6240, 13014), (6266, 12960), (6480, 12532), (6507, 12480), (7020, 11568), (7230, 11232), (7488, 10845), (7712, 10530), (8424, 9640), (8640, 9399), (8676, 9360)]