720500528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{937}}^1$

素因数の和:1230

約数の個数: 80

約数和(自身を含む): 1620458784

約数和(自身を除く): 899958256

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 257, 272, 374, 514, 748, 937, 1028, 1496, 1874, 2056, 2827, 2992, 3748, 4112, 4369, 5654, 7496, 8738, 10307, 11308, 14992, 15929, 17476, 20614, 22616, 31858, 34952, 41228, 45232, 48059, 63716, 69904, 82456, 96118, 127432, 164912, 175219, 192236, 240809, 254864, 350438, 384472, 481618, 700876, 768944, 963236, 1401752, 1926472, 2648899, 2803504, 3852944, 4093753, 5297798, 8187506, 10595596, 16375012, 21191192, 32750024, 42382384, 45031283, 65500048, 90062566, 180125132, 360250264, 720500528]

約数ペア:

[(1, 720500528), (2, 360250264), (4, 180125132), (8, 90062566), (11, 65500048), (16, 45031283), (17, 42382384), (22, 32750024), (34, 21191192), (44, 16375012), (68, 10595596), (88, 8187506), (136, 5297798), (176, 4093753), (187, 3852944), (257, 2803504), (272, 2648899), (374, 1926472), (514, 1401752), (748, 963236), (937, 768944), (1028, 700876), (1496, 481618), (1874, 384472), (2056, 350438), (2827, 254864), (2992, 240809), (3748, 192236), (4112, 175219), (4369, 164912), (5654, 127432), (7496, 96118), (8738, 82456), (10307, 69904), (11308, 63716), (14992, 48059), (15929, 45232), (17476, 41228), (20614, 34952), (22616, 31858)]