54720904

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 121242240

約数和(自身を除く): 66521336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 83, 122, 166, 193, 244, 332, 386, 427, 488, 581, 664, 772, 854, 1162, 1351, 1544, 1708, 2324, 2702, 3416, 4648, 5063, 5404, 10126, 10808, 11773, 16019, 20252, 23546, 32038, 35441, 40504, 47092, 64076, 70882, 82411, 94184, 112133, 128152, 141764, 164822, 224266, 283528, 329644, 448532, 659288, 897064, 977159, 1954318, 3908636, 6840113, 7817272, 13680226, 27360452, 54720904]

約数ペア:

[(1, 54720904), (2, 27360452), (4, 13680226), (7, 7817272), (8, 6840113), (14, 3908636), (28, 1954318), (56, 977159), (61, 897064), (83, 659288), (122, 448532), (166, 329644), (193, 283528), (244, 224266), (332, 164822), (386, 141764), (427, 128152), (488, 112133), (581, 94184), (664, 82411), (772, 70882), (854, 64076), (1162, 47092), (1351, 40504), (1544, 35441), (1708, 32038), (2324, 23546), (2702, 20252), (3416, 16019), (4648, 11773), (5063, 10808), (5404, 10126)]