81659088

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 180

約数和(自身を含む): 271241568

約数和(自身を除く): 189582480

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 71, 72, 84, 98, 112, 126, 142, 144, 147, 163, 168, 196, 213, 252, 284, 294, 326, 336, 392, 426, 441, 489, 497, 504, 568, 588, 639, 652, 784, 852, 882, 978, 994, 1008, 1136, 1141, 1176, 1278, 1304, 1467, 1491, 1704, 1764, 1956, 1988, 2282, 2352, 2556, 2608, 2934, 2982, 3408, 3423, 3479, 3528, 3912, 3976, 4473, 4564, 5112, 5868, 5964, 6846, 6958, 7056, 7824, 7952, 7987, 8946, 9128, 10224, 10269, 10437, 11573, 11736, 11928, 13692, 13916, 15974, 17892, 18256, 20538, 20874, 23146, 23472, 23856, 23961, 27384, 27832, 31311, 31948, 34719, 35784, 41076, 41748, 46292, 47922, 54768, 55664, 62622, 63896, 69438, 71568, 71883, 81011, 82152, 83496, 92584, 95844, 104157, 125244, 127792, 138876, 143766, 162022, 164304, 166992, 185168, 191688, 208314, 243033, 250488, 277752, 287532, 324044, 383376, 416628, 486066, 500976, 555504, 567077, 575064, 648088, 729099, 833256, 972132, 1134154, 1150128, 1296176, 1458198, 1666512, 1701231, 1944264, 2268308, 2916396, 3402462, 3888528, 4536616, 5103693, 5832792, 6804924, 9073232, 10207386, 11665584, 13609848, 20414772, 27219696, 40829544, 81659088]

約数ペア:

[(1, 81659088), (2, 40829544), (3, 27219696), (4, 20414772), (6, 13609848), (7, 11665584), (8, 10207386), (9, 9073232), (12, 6804924), (14, 5832792), (16, 5103693), (18, 4536616), (21, 3888528), (24, 3402462), (28, 2916396), (36, 2268308), (42, 1944264), (48, 1701231), (49, 1666512), (56, 1458198), (63, 1296176), (71, 1150128), (72, 1134154), (84, 972132), (98, 833256), (112, 729099), (126, 648088), (142, 575064), (144, 567077), (147, 555504), (163, 500976), (168, 486066), (196, 416628), (213, 383376), (252, 324044), (284, 287532), (294, 277752), (326, 250488), (336, 243033), (392, 208314), (426, 191688), (441, 185168), (489, 166992), (497, 164304), (504, 162022), (568, 143766), (588, 138876), (639, 127792), (652, 125244), (784, 104157), (852, 95844), (882, 92584), (978, 83496), (994, 82152), (1008, 81011), (1136, 71883), (1141, 71568), (1176, 69438), (1278, 63896), (1304, 62622), (1467, 55664), (1491, 54768), (1704, 47922), (1764, 46292), (1956, 41748), (1988, 41076), (2282, 35784), (2352, 34719), (2556, 31948), (2608, 31311), (2934, 27832), (2982, 27384), (3408, 23961), (3423, 23856), (3479, 23472), (3528, 23146), (3912, 20874), (3976, 20538), (4473, 18256), (4564, 17892), (5112, 15974), (5868, 13916), (5964, 13692), (6846, 11928), (6958, 11736), (7056, 11573), (7824, 10437), (7952, 10269), (7987, 10224), (8946, 9128)]