81205152

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 252921312

約数和(自身を除く): 171716160

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 61, 84, 96, 98, 112, 122, 147, 168, 183, 196, 224, 244, 283, 294, 336, 366, 392, 427, 488, 566, 588, 672, 732, 784, 849, 854, 976, 1132, 1176, 1281, 1464, 1568, 1698, 1708, 1952, 1981, 2264, 2352, 2562, 2928, 2989, 3396, 3416, 3962, 4528, 4704, 5124, 5856, 5943, 5978, 6792, 6832, 7924, 8967, 9056, 10248, 11886, 11956, 13584, 13664, 13867, 15848, 17263, 17934, 20496, 23772, 23912, 27168, 27734, 31696, 34526, 35868, 40992, 41601, 47544, 47824, 51789, 55468, 63392, 69052, 71736, 83202, 95088, 95648, 103578, 110936, 120841, 138104, 143472, 166404, 190176, 207156, 221872, 241682, 276208, 286944, 332808, 362523, 414312, 443744, 483364, 552416, 665616, 725046, 828624, 845887, 966728, 1331232, 1450092, 1657248, 1691774, 1933456, 2537661, 2900184, 3383548, 3866912, 5075322, 5800368, 6767096, 10150644, 11600736, 13534192, 20301288, 27068384, 40602576, 81205152]

約数ペア:

[(1, 81205152), (2, 40602576), (3, 27068384), (4, 20301288), (6, 13534192), (7, 11600736), (8, 10150644), (12, 6767096), (14, 5800368), (16, 5075322), (21, 3866912), (24, 3383548), (28, 2900184), (32, 2537661), (42, 1933456), (48, 1691774), (49, 1657248), (56, 1450092), (61, 1331232), (84, 966728), (96, 845887), (98, 828624), (112, 725046), (122, 665616), (147, 552416), (168, 483364), (183, 443744), (196, 414312), (224, 362523), (244, 332808), (283, 286944), (294, 276208), (336, 241682), (366, 221872), (392, 207156), (427, 190176), (488, 166404), (566, 143472), (588, 138104), (672, 120841), (732, 110936), (784, 103578), (849, 95648), (854, 95088), (976, 83202), (1132, 71736), (1176, 69052), (1281, 63392), (1464, 55468), (1568, 51789), (1698, 47824), (1708, 47544), (1952, 41601), (1981, 40992), (2264, 35868), (2352, 34526), (2562, 31696), (2928, 27734), (2989, 27168), (3396, 23912), (3416, 23772), (3962, 20496), (4528, 17934), (4704, 17263), (5124, 15848), (5856, 13867), (5943, 13664), (5978, 13584), (6792, 11956), (6832, 11886), (7924, 10248), (8967, 9056)]