81507360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:431

約数の個数: 192

約数和(自身を含む): 287400960

約数和(自身を除く): 205893600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 96, 110, 120, 129, 132, 160, 165, 172, 176, 215, 220, 240, 258, 264, 330, 344, 352, 359, 430, 440, 473, 480, 516, 528, 645, 660, 688, 718, 860, 880, 946, 1032, 1056, 1077, 1290, 1320, 1376, 1419, 1436, 1720, 1760, 1795, 1892, 2064, 2154, 2365, 2580, 2640, 2838, 2872, 3440, 3590, 3784, 3949, 4128, 4308, 4730, 5160, 5280, 5385, 5676, 5744, 6880, 7095, 7180, 7568, 7898, 8616, 9460, 10320, 10770, 11352, 11488, 11847, 14190, 14360, 15136, 15437, 15796, 17232, 18920, 19745, 20640, 21540, 22704, 23694, 28380, 28720, 30874, 31592, 34464, 37840, 39490, 43080, 45408, 46311, 47388, 56760, 57440, 59235, 61748, 63184, 75680, 77185, 78980, 86160, 92622, 94776, 113520, 118470, 123496, 126368, 154370, 157960, 169807, 172320, 185244, 189552, 227040, 231555, 236940, 246992, 308740, 315920, 339614, 370488, 379104, 463110, 473880, 493984, 509421, 617480, 631840, 679228, 740976, 849035, 926220, 947760, 1018842, 1234960, 1358456, 1481952, 1698070, 1852440, 1895520, 2037684, 2469920, 2547105, 2716912, 3396140, 3704880, 4075368, 5094210, 5433824, 6792280, 7409760, 8150736, 10188420, 13584560, 16301472, 20376840, 27169120, 40753680, 81507360]

約数ペア:

[(1, 81507360), (2, 40753680), (3, 27169120), (4, 20376840), (5, 16301472), (6, 13584560), (8, 10188420), (10, 8150736), (11, 7409760), (12, 6792280), (15, 5433824), (16, 5094210), (20, 4075368), (22, 3704880), (24, 3396140), (30, 2716912), (32, 2547105), (33, 2469920), (40, 2037684), (43, 1895520), (44, 1852440), (48, 1698070), (55, 1481952), (60, 1358456), (66, 1234960), (80, 1018842), (86, 947760), (88, 926220), (96, 849035), (110, 740976), (120, 679228), (129, 631840), (132, 617480), (160, 509421), (165, 493984), (172, 473880), (176, 463110), (215, 379104), (220, 370488), (240, 339614), (258, 315920), (264, 308740), (330, 246992), (344, 236940), (352, 231555), (359, 227040), (430, 189552), (440, 185244), (473, 172320), (480, 169807), (516, 157960), (528, 154370), (645, 126368), (660, 123496), (688, 118470), (718, 113520), (860, 94776), (880, 92622), (946, 86160), (1032, 78980), (1056, 77185), (1077, 75680), (1290, 63184), (1320, 61748), (1376, 59235), (1419, 57440), (1436, 56760), (1720, 47388), (1760, 46311), (1795, 45408), (1892, 43080), (2064, 39490), (2154, 37840), (2365, 34464), (2580, 31592), (2640, 30874), (2838, 28720), (2872, 28380), (3440, 23694), (3590, 22704), (3784, 21540), (3949, 20640), (4128, 19745), (4308, 18920), (4730, 17232), (5160, 15796), (5280, 15437), (5385, 15136), (5676, 14360), (5744, 14190), (6880, 11847), (7095, 11488), (7180, 11352), (7568, 10770), (7898, 10320), (8616, 9460)]