12681491616

素因数分解:

$2^5\times 3^2\times {\mathrm{211}}^1\times {\mathrm{208687}}^1$

素因数の和:208914

約数の個数: 72

約数和(自身を含む): 36234080064

約数和(自身を除く): 23552588448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 211, 288, 422, 633, 844, 1266, 1688, 1899, 2532, 3376, 3798, 5064, 6752, 7596, 10128, 15192, 20256, 30384, 60768, 208687, 417374, 626061, 834748, 1252122, 1669496, 1878183, 2504244, 3338992, 3756366, 5008488, 6677984, 7512732, 10016976, 15025464, 20033952, 30050928, 44032957, 60101856, 88065914, 132098871, 176131828, 264197742, 352263656, 396296613, 528395484, 704527312, 792593226, 1056790968, 1409054624, 1585186452, 2113581936, 3170372904, 4227163872, 6340745808, 12681491616]

約数ペア:

[(1, 12681491616), (2, 6340745808), (3, 4227163872), (4, 3170372904), (6, 2113581936), (8, 1585186452), (9, 1409054624), (12, 1056790968), (16, 792593226), (18, 704527312), (24, 528395484), (32, 396296613), (36, 352263656), (48, 264197742), (72, 176131828), (96, 132098871), (144, 88065914), (211, 60101856), (288, 44032957), (422, 30050928), (633, 20033952), (844, 15025464), (1266, 10016976), (1688, 7512732), (1899, 6677984), (2532, 5008488), (3376, 3756366), (3798, 3338992), (5064, 2504244), (6752, 1878183), (7596, 1669496), (10128, 1252122), (15192, 834748), (20256, 626061), (30384, 417374), (60768, 208687)]