80449760

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^2\times {\mathrm{179}}^1$

素因数の和:300

約数の個数: 72

約数和(自身を含む): 194798520

約数和(自身を除く): 114348760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 179, 212, 265, 358, 424, 530, 716, 848, 895, 1060, 1432, 1696, 1790, 2120, 2809, 2864, 3580, 4240, 5618, 5728, 7160, 8480, 9487, 11236, 14045, 14320, 18974, 22472, 28090, 28640, 37948, 44944, 47435, 56180, 75896, 89888, 94870, 112360, 151792, 189740, 224720, 303584, 379480, 449440, 502811, 758960, 1005622, 1517920, 2011244, 2514055, 4022488, 5028110, 8044976, 10056220, 16089952, 20112440, 40224880, 80449760]

約数ペア:

[(1, 80449760), (2, 40224880), (4, 20112440), (5, 16089952), (8, 10056220), (10, 8044976), (16, 5028110), (20, 4022488), (32, 2514055), (40, 2011244), (53, 1517920), (80, 1005622), (106, 758960), (160, 502811), (179, 449440), (212, 379480), (265, 303584), (358, 224720), (424, 189740), (530, 151792), (716, 112360), (848, 94870), (895, 89888), (1060, 75896), (1432, 56180), (1696, 47435), (1790, 44944), (2120, 37948), (2809, 28640), (2864, 28090), (3580, 22472), (4240, 18974), (5618, 14320), (5728, 14045), (7160, 11236), (8480, 9487)]