221172768

素因数分解:

$2^5\times 3^6\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:546

約数の個数: 168

約数和(自身を含む): 688590000

約数和(自身を除く): 467417232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 216, 228, 243, 288, 304, 324, 342, 432, 456, 486, 499, 513, 608, 648, 684, 729, 864, 912, 972, 998, 1026, 1296, 1368, 1458, 1497, 1539, 1824, 1944, 1996, 2052, 2592, 2736, 2916, 2994, 3078, 3888, 3992, 4104, 4491, 4617, 5472, 5832, 5988, 6156, 7776, 7984, 8208, 8982, 9234, 9481, 11664, 11976, 12312, 13473, 13851, 15968, 16416, 17964, 18468, 18962, 23328, 23952, 24624, 26946, 27702, 28443, 35928, 36936, 37924, 40419, 47904, 49248, 53892, 55404, 56886, 71856, 73872, 75848, 80838, 85329, 107784, 110808, 113772, 121257, 143712, 147744, 151696, 161676, 170658, 215568, 221616, 227544, 242514, 255987, 303392, 323352, 341316, 363771, 431136, 443232, 455088, 485028, 511974, 646704, 682632, 727542, 767961, 910176, 970056, 1023948, 1293408, 1365264, 1455084, 1535922, 1940112, 2047896, 2303883, 2730528, 2910168, 3071844, 3880224, 4095792, 4607766, 5820336, 6143688, 6911649, 8191584, 9215532, 11640672, 12287376, 13823298, 18431064, 24574752, 27646596, 36862128, 55293192, 73724256, 110586384, 221172768]

約数ペア:

[(1, 221172768), (2, 110586384), (3, 73724256), (4, 55293192), (6, 36862128), (8, 27646596), (9, 24574752), (12, 18431064), (16, 13823298), (18, 12287376), (19, 11640672), (24, 9215532), (27, 8191584), (32, 6911649), (36, 6143688), (38, 5820336), (48, 4607766), (54, 4095792), (57, 3880224), (72, 3071844), (76, 2910168), (81, 2730528), (96, 2303883), (108, 2047896), (114, 1940112), (144, 1535922), (152, 1455084), (162, 1365264), (171, 1293408), (216, 1023948), (228, 970056), (243, 910176), (288, 767961), (304, 727542), (324, 682632), (342, 646704), (432, 511974), (456, 485028), (486, 455088), (499, 443232), (513, 431136), (608, 363771), (648, 341316), (684, 323352), (729, 303392), (864, 255987), (912, 242514), (972, 227544), (998, 221616), (1026, 215568), (1296, 170658), (1368, 161676), (1458, 151696), (1497, 147744), (1539, 143712), (1824, 121257), (1944, 113772), (1996, 110808), (2052, 107784), (2592, 85329), (2736, 80838), (2916, 75848), (2994, 73872), (3078, 71856), (3888, 56886), (3992, 55404), (4104, 53892), (4491, 49248), (4617, 47904), (5472, 40419), (5832, 37924), (5988, 36936), (6156, 35928), (7776, 28443), (7984, 27702), (8208, 26946), (8982, 24624), (9234, 23952), (9481, 23328), (11664, 18962), (11976, 18468), (12312, 17964), (13473, 16416), (13851, 15968)]