121807728

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:372

約数の個数: 180

約数和(自身を含む): 404473368

約数和(自身を除く): 282665640

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 61, 63, 72, 84, 98, 112, 122, 126, 144, 147, 168, 183, 196, 244, 252, 283, 294, 336, 366, 392, 427, 441, 488, 504, 549, 566, 588, 732, 784, 849, 854, 882, 976, 1008, 1098, 1132, 1176, 1281, 1464, 1698, 1708, 1764, 1981, 2196, 2264, 2352, 2547, 2562, 2928, 2989, 3396, 3416, 3528, 3843, 3962, 4392, 4528, 5094, 5124, 5943, 5978, 6792, 6832, 7056, 7686, 7924, 8784, 8967, 10188, 10248, 11886, 11956, 13584, 13867, 15372, 15848, 17263, 17829, 17934, 20376, 20496, 23772, 23912, 26901, 27734, 30744, 31696, 34526, 35658, 35868, 40752, 41601, 47544, 47824, 51789, 53802, 55468, 61488, 69052, 71316, 71736, 83202, 95088, 103578, 107604, 110936, 120841, 124803, 138104, 142632, 143472, 155367, 166404, 207156, 215208, 221872, 241682, 249606, 276208, 285264, 310734, 332808, 362523, 414312, 430416, 483364, 499212, 621468, 665616, 725046, 828624, 845887, 966728, 998424, 1087569, 1242936, 1450092, 1691774, 1933456, 1996848, 2175138, 2485872, 2537661, 2900184, 3383548, 4350276, 5075322, 5800368, 6767096, 7612983, 8700552, 10150644, 13534192, 15225966, 17401104, 20301288, 30451932, 40602576, 60903864, 121807728]

約数ペア:

[(1, 121807728), (2, 60903864), (3, 40602576), (4, 30451932), (6, 20301288), (7, 17401104), (8, 15225966), (9, 13534192), (12, 10150644), (14, 8700552), (16, 7612983), (18, 6767096), (21, 5800368), (24, 5075322), (28, 4350276), (36, 3383548), (42, 2900184), (48, 2537661), (49, 2485872), (56, 2175138), (61, 1996848), (63, 1933456), (72, 1691774), (84, 1450092), (98, 1242936), (112, 1087569), (122, 998424), (126, 966728), (144, 845887), (147, 828624), (168, 725046), (183, 665616), (196, 621468), (244, 499212), (252, 483364), (283, 430416), (294, 414312), (336, 362523), (366, 332808), (392, 310734), (427, 285264), (441, 276208), (488, 249606), (504, 241682), (549, 221872), (566, 215208), (588, 207156), (732, 166404), (784, 155367), (849, 143472), (854, 142632), (882, 138104), (976, 124803), (1008, 120841), (1098, 110936), (1132, 107604), (1176, 103578), (1281, 95088), (1464, 83202), (1698, 71736), (1708, 71316), (1764, 69052), (1981, 61488), (2196, 55468), (2264, 53802), (2352, 51789), (2547, 47824), (2562, 47544), (2928, 41601), (2989, 40752), (3396, 35868), (3416, 35658), (3528, 34526), (3843, 31696), (3962, 30744), (4392, 27734), (4528, 26901), (5094, 23912), (5124, 23772), (5943, 20496), (5978, 20376), (6792, 17934), (6832, 17829), (7056, 17263), (7686, 15848), (7924, 15372), (8784, 13867), (8967, 13584), (10188, 11956), (10248, 11886)]