81752976

素因数分解:

$2^4\times 3^6\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 140

約数和(自身を含む): 244499728

約数和(自身を除く): 162746752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 81, 86, 108, 129, 144, 162, 163, 172, 216, 243, 258, 324, 326, 344, 387, 432, 486, 489, 516, 648, 652, 688, 729, 774, 972, 978, 1032, 1161, 1296, 1304, 1458, 1467, 1548, 1944, 1956, 2064, 2322, 2608, 2916, 2934, 3096, 3483, 3888, 3912, 4401, 4644, 5832, 5868, 6192, 6966, 7009, 7824, 8802, 9288, 10449, 11664, 11736, 13203, 13932, 14018, 17604, 18576, 20898, 21027, 23472, 26406, 27864, 28036, 31347, 35208, 39609, 41796, 42054, 52812, 55728, 56072, 62694, 63081, 70416, 79218, 83592, 84108, 105624, 112144, 118827, 125388, 126162, 158436, 167184, 168216, 189243, 211248, 237654, 250776, 252324, 316872, 336432, 378486, 475308, 501552, 504648, 567729, 633744, 756972, 950616, 1009296, 1135458, 1513944, 1703187, 1901232, 2270916, 3027888, 3406374, 4541832, 5109561, 6812748, 9083664, 10219122, 13625496, 20438244, 27250992, 40876488, 81752976]

約数ペア:

[(1, 81752976), (2, 40876488), (3, 27250992), (4, 20438244), (6, 13625496), (8, 10219122), (9, 9083664), (12, 6812748), (16, 5109561), (18, 4541832), (24, 3406374), (27, 3027888), (36, 2270916), (43, 1901232), (48, 1703187), (54, 1513944), (72, 1135458), (81, 1009296), (86, 950616), (108, 756972), (129, 633744), (144, 567729), (162, 504648), (163, 501552), (172, 475308), (216, 378486), (243, 336432), (258, 316872), (324, 252324), (326, 250776), (344, 237654), (387, 211248), (432, 189243), (486, 168216), (489, 167184), (516, 158436), (648, 126162), (652, 125388), (688, 118827), (729, 112144), (774, 105624), (972, 84108), (978, 83592), (1032, 79218), (1161, 70416), (1296, 63081), (1304, 62694), (1458, 56072), (1467, 55728), (1548, 52812), (1944, 42054), (1956, 41796), (2064, 39609), (2322, 35208), (2608, 31347), (2916, 28036), (2934, 27864), (3096, 26406), (3483, 23472), (3888, 21027), (3912, 20898), (4401, 18576), (4644, 17604), (5832, 14018), (5868, 13932), (6192, 13203), (6966, 11736), (7009, 11664), (7824, 10449), (8802, 9288)]