81530208

素因数分解:

$2^5\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2161}}^1$

素因数の和:2308

約数の個数: 72

約数和(自身を含む): 233729496

約数和(自身を除く): 152199288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 131, 144, 262, 288, 393, 524, 786, 1048, 1179, 1572, 2096, 2161, 2358, 3144, 4192, 4322, 4716, 6288, 6483, 8644, 9432, 12576, 12966, 17288, 18864, 19449, 25932, 34576, 37728, 38898, 51864, 69152, 77796, 103728, 155592, 207456, 283091, 311184, 566182, 622368, 849273, 1132364, 1698546, 2264728, 2547819, 3397092, 4529456, 5095638, 6794184, 9058912, 10191276, 13588368, 20382552, 27176736, 40765104, 81530208]

約数ペア:

[(1, 81530208), (2, 40765104), (3, 27176736), (4, 20382552), (6, 13588368), (8, 10191276), (9, 9058912), (12, 6794184), (16, 5095638), (18, 4529456), (24, 3397092), (32, 2547819), (36, 2264728), (48, 1698546), (72, 1132364), (96, 849273), (131, 622368), (144, 566182), (262, 311184), (288, 283091), (393, 207456), (524, 155592), (786, 103728), (1048, 77796), (1179, 69152), (1572, 51864), (2096, 38898), (2161, 37728), (2358, 34576), (3144, 25932), (4192, 19449), (4322, 18864), (4716, 17288), (6288, 12966), (6483, 12576), (8644, 9432)]