28204440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{929}}^1$

素因数の和:977

約数の個数: 128

約数和(自身を含む): 96422400

約数和(自身を除く): 68217960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 690, 759, 920, 929, 1012, 1265, 1320, 1380, 1518, 1858, 2024, 2530, 2760, 2787, 3036, 3716, 3795, 4645, 5060, 5574, 6072, 7432, 7590, 9290, 10120, 10219, 11148, 13935, 15180, 18580, 20438, 21367, 22296, 27870, 30360, 30657, 37160, 40876, 42734, 51095, 55740, 61314, 64101, 81752, 85468, 102190, 106835, 111480, 122628, 128202, 153285, 170936, 204380, 213670, 235037, 245256, 256404, 306570, 320505, 408760, 427340, 470074, 512808, 613140, 641010, 705111, 854680, 940148, 1175185, 1226280, 1282020, 1410222, 1880296, 2350370, 2564040, 2820444, 3525555, 4700740, 5640888, 7051110, 9401480, 14102220, 28204440]

約数ペア:

[(1, 28204440), (2, 14102220), (3, 9401480), (4, 7051110), (5, 5640888), (6, 4700740), (8, 3525555), (10, 2820444), (11, 2564040), (12, 2350370), (15, 1880296), (20, 1410222), (22, 1282020), (23, 1226280), (24, 1175185), (30, 940148), (33, 854680), (40, 705111), (44, 641010), (46, 613140), (55, 512808), (60, 470074), (66, 427340), (69, 408760), (88, 320505), (92, 306570), (110, 256404), (115, 245256), (120, 235037), (132, 213670), (138, 204380), (165, 170936), (184, 153285), (220, 128202), (230, 122628), (253, 111480), (264, 106835), (276, 102190), (330, 85468), (345, 81752), (440, 64101), (460, 61314), (506, 55740), (552, 51095), (660, 42734), (690, 40876), (759, 37160), (920, 30657), (929, 30360), (1012, 27870), (1265, 22296), (1320, 21367), (1380, 20438), (1518, 18580), (1858, 15180), (2024, 13935), (2530, 11148), (2760, 10219), (2787, 10120), (3036, 9290), (3716, 7590), (3795, 7432), (4645, 6072), (5060, 5574)]