161891568

素因数分解:

$2^4\times 3^3\times {\mathrm{499}}^1\times {\mathrm{751}}^1$

素因数の和:1267

約数の個数: 80

約数和(自身を含む): 466240000

約数和(自身を除く): 304348432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 499, 751, 998, 1497, 1502, 1996, 2253, 2994, 3004, 3992, 4491, 4506, 5988, 6008, 6759, 7984, 8982, 9012, 11976, 12016, 13473, 13518, 17964, 18024, 20277, 23952, 26946, 27036, 35928, 36048, 40554, 53892, 54072, 71856, 81108, 107784, 108144, 162216, 215568, 324432, 374749, 749498, 1124247, 1498996, 2248494, 2997992, 3372741, 4496988, 5995984, 6745482, 8993976, 10118223, 13490964, 17987952, 20236446, 26981928, 40472892, 53963856, 80945784, 161891568]

約数ペア:

[(1, 161891568), (2, 80945784), (3, 53963856), (4, 40472892), (6, 26981928), (8, 20236446), (9, 17987952), (12, 13490964), (16, 10118223), (18, 8993976), (24, 6745482), (27, 5995984), (36, 4496988), (48, 3372741), (54, 2997992), (72, 2248494), (108, 1498996), (144, 1124247), (216, 749498), (432, 374749), (499, 324432), (751, 215568), (998, 162216), (1497, 108144), (1502, 107784), (1996, 81108), (2253, 71856), (2994, 54072), (3004, 53892), (3992, 40554), (4491, 36048), (4506, 35928), (5988, 27036), (6008, 26946), (6759, 23952), (7984, 20277), (8982, 18024), (9012, 17964), (11976, 13518), (12016, 13473)]