81987696

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:683

約数の個数: 120

約数和(自身を含む): 264368000

約数和(自身を除く): 182380304

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 163, 168, 252, 326, 336, 489, 499, 504, 652, 978, 998, 1008, 1141, 1304, 1467, 1497, 1956, 1996, 2282, 2608, 2934, 2994, 3423, 3493, 3912, 3992, 4491, 4564, 5868, 5988, 6846, 6986, 7824, 7984, 8982, 9128, 10269, 10479, 11736, 11976, 13692, 13972, 17964, 18256, 20538, 20958, 23472, 23952, 27384, 27944, 31437, 35928, 41076, 41916, 54768, 55888, 62874, 71856, 81337, 82152, 83832, 125748, 162674, 164304, 167664, 244011, 251496, 325348, 488022, 502992, 569359, 650696, 732033, 976044, 1138718, 1301392, 1464066, 1708077, 1952088, 2277436, 2928132, 3416154, 3904176, 4554872, 5124231, 5856264, 6832308, 9109744, 10248462, 11712528, 13664616, 20496924, 27329232, 40993848, 81987696]

約数ペア:

[(1, 81987696), (2, 40993848), (3, 27329232), (4, 20496924), (6, 13664616), (7, 11712528), (8, 10248462), (9, 9109744), (12, 6832308), (14, 5856264), (16, 5124231), (18, 4554872), (21, 3904176), (24, 3416154), (28, 2928132), (36, 2277436), (42, 1952088), (48, 1708077), (56, 1464066), (63, 1301392), (72, 1138718), (84, 976044), (112, 732033), (126, 650696), (144, 569359), (163, 502992), (168, 488022), (252, 325348), (326, 251496), (336, 244011), (489, 167664), (499, 164304), (504, 162674), (652, 125748), (978, 83832), (998, 82152), (1008, 81337), (1141, 71856), (1304, 62874), (1467, 55888), (1497, 54768), (1956, 41916), (1996, 41076), (2282, 35928), (2608, 31437), (2934, 27944), (2994, 27384), (3423, 23952), (3493, 23472), (3912, 20958), (3992, 20538), (4491, 18256), (4564, 17964), (5868, 13972), (5988, 13692), (6846, 11976), (6986, 11736), (7824, 10479), (7984, 10269), (8982, 9128)]