78720840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:324

約数の個数: 192

約数和(自身を含む): 283271040

約数和(自身を除く): 204550200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 103, 110, 120, 132, 165, 180, 193, 198, 206, 220, 264, 309, 330, 360, 386, 396, 412, 440, 495, 515, 579, 618, 660, 772, 792, 824, 927, 965, 990, 1030, 1133, 1158, 1236, 1320, 1544, 1545, 1737, 1854, 1930, 1980, 2060, 2123, 2266, 2316, 2472, 2895, 3090, 3399, 3474, 3708, 3860, 3960, 4120, 4246, 4532, 4632, 4635, 5665, 5790, 6180, 6369, 6798, 6948, 7416, 7720, 8492, 8685, 9064, 9270, 10197, 10615, 11330, 11580, 12360, 12738, 13596, 13896, 16984, 16995, 17370, 18540, 19107, 19879, 20394, 21230, 22660, 23160, 25476, 27192, 31845, 33990, 34740, 37080, 38214, 39758, 40788, 42460, 45320, 50952, 50985, 59637, 63690, 67980, 69480, 76428, 79516, 81576, 84920, 95535, 99395, 101970, 119274, 127380, 135960, 152856, 159032, 178911, 191070, 198790, 203940, 218669, 238548, 254760, 298185, 357822, 382140, 397580, 407880, 437338, 477096, 596370, 656007, 715644, 764280, 795160, 874676, 894555, 1093345, 1192740, 1312014, 1431288, 1749352, 1789110, 1968021, 2186690, 2385480, 2624028, 3280035, 3578220, 3936042, 4373380, 5248056, 6560070, 7156440, 7872084, 8746760, 9840105, 13120140, 15744168, 19680210, 26240280, 39360420, 78720840]

約数ペア:

[(1, 78720840), (2, 39360420), (3, 26240280), (4, 19680210), (5, 15744168), (6, 13120140), (8, 9840105), (9, 8746760), (10, 7872084), (11, 7156440), (12, 6560070), (15, 5248056), (18, 4373380), (20, 3936042), (22, 3578220), (24, 3280035), (30, 2624028), (33, 2385480), (36, 2186690), (40, 1968021), (44, 1789110), (45, 1749352), (55, 1431288), (60, 1312014), (66, 1192740), (72, 1093345), (88, 894555), (90, 874676), (99, 795160), (103, 764280), (110, 715644), (120, 656007), (132, 596370), (165, 477096), (180, 437338), (193, 407880), (198, 397580), (206, 382140), (220, 357822), (264, 298185), (309, 254760), (330, 238548), (360, 218669), (386, 203940), (396, 198790), (412, 191070), (440, 178911), (495, 159032), (515, 152856), (579, 135960), (618, 127380), (660, 119274), (772, 101970), (792, 99395), (824, 95535), (927, 84920), (965, 81576), (990, 79516), (1030, 76428), (1133, 69480), (1158, 67980), (1236, 63690), (1320, 59637), (1544, 50985), (1545, 50952), (1737, 45320), (1854, 42460), (1930, 40788), (1980, 39758), (2060, 38214), (2123, 37080), (2266, 34740), (2316, 33990), (2472, 31845), (2895, 27192), (3090, 25476), (3399, 23160), (3474, 22660), (3708, 21230), (3860, 20394), (3960, 19879), (4120, 19107), (4246, 18540), (4532, 17370), (4632, 16995), (4635, 16984), (5665, 13896), (5790, 13596), (6180, 12738), (6369, 12360), (6798, 11580), (6948, 11330), (7416, 10615), (7720, 10197), (8492, 9270), (8685, 9064)]