81990216

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:696

約数の個数: 192

約数和(自身を含む): 289336320

約数和(自身を除く): 207346104

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 23, 24, 28, 33, 36, 42, 44, 46, 56, 63, 66, 69, 72, 77, 84, 88, 92, 99, 126, 132, 138, 154, 161, 168, 184, 198, 207, 231, 252, 253, 264, 276, 308, 322, 396, 414, 462, 483, 504, 506, 552, 616, 643, 644, 693, 759, 792, 828, 924, 966, 1012, 1286, 1288, 1386, 1449, 1518, 1656, 1771, 1848, 1929, 1932, 2024, 2277, 2572, 2772, 2898, 3036, 3542, 3858, 3864, 4501, 4554, 5144, 5313, 5544, 5787, 5796, 6072, 7073, 7084, 7716, 9002, 9108, 10626, 11574, 11592, 13503, 14146, 14168, 14789, 15432, 15939, 18004, 18216, 21219, 21252, 23148, 27006, 28292, 29578, 31878, 36008, 40509, 42438, 42504, 44367, 46296, 49511, 54012, 56584, 59156, 63657, 63756, 81018, 84876, 88734, 99022, 103523, 108024, 118312, 127314, 127512, 133101, 148533, 162036, 162679, 169752, 177468, 198044, 207046, 254628, 266202, 297066, 310569, 324072, 325358, 354936, 396088, 414092, 445599, 488037, 509256, 532404, 594132, 621138, 650716, 828184, 891198, 931707, 976074, 1064808, 1138753, 1188264, 1242276, 1301432, 1464111, 1782396, 1863414, 1952148, 2277506, 2484552, 2928222, 3416259, 3564792, 3726828, 3904296, 4555012, 5856444, 6832518, 7453656, 9110024, 10248777, 11712888, 13665036, 20497554, 27330072, 40995108, 81990216]

約数ペア:

[(1, 81990216), (2, 40995108), (3, 27330072), (4, 20497554), (6, 13665036), (7, 11712888), (8, 10248777), (9, 9110024), (11, 7453656), (12, 6832518), (14, 5856444), (18, 4555012), (21, 3904296), (22, 3726828), (23, 3564792), (24, 3416259), (28, 2928222), (33, 2484552), (36, 2277506), (42, 1952148), (44, 1863414), (46, 1782396), (56, 1464111), (63, 1301432), (66, 1242276), (69, 1188264), (72, 1138753), (77, 1064808), (84, 976074), (88, 931707), (92, 891198), (99, 828184), (126, 650716), (132, 621138), (138, 594132), (154, 532404), (161, 509256), (168, 488037), (184, 445599), (198, 414092), (207, 396088), (231, 354936), (252, 325358), (253, 324072), (264, 310569), (276, 297066), (308, 266202), (322, 254628), (396, 207046), (414, 198044), (462, 177468), (483, 169752), (504, 162679), (506, 162036), (552, 148533), (616, 133101), (643, 127512), (644, 127314), (693, 118312), (759, 108024), (792, 103523), (828, 99022), (924, 88734), (966, 84876), (1012, 81018), (1286, 63756), (1288, 63657), (1386, 59156), (1449, 56584), (1518, 54012), (1656, 49511), (1771, 46296), (1848, 44367), (1929, 42504), (1932, 42438), (2024, 40509), (2277, 36008), (2572, 31878), (2772, 29578), (2898, 28292), (3036, 27006), (3542, 23148), (3858, 21252), (3864, 21219), (4501, 18216), (4554, 18004), (5144, 15939), (5313, 15432), (5544, 14789), (5787, 14168), (5796, 14146), (6072, 13503), (7073, 11592), (7084, 11574), (7716, 10626), (9002, 9108)]