2783201680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1543}}^1\times {\mathrm{3221}}^1$

素因数の和:4784

約数の個数: 80

約数和(自身を含む): 7402454784

約数和(自身を除く): 4619253104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1543, 3086, 3221, 6172, 6442, 7715, 10801, 12344, 12884, 15430, 16105, 21602, 22547, 24688, 25768, 30860, 32210, 43204, 45094, 51536, 54005, 61720, 64420, 86408, 90188, 108010, 112735, 123440, 128840, 172816, 180376, 216020, 225470, 257680, 360752, 432040, 450940, 864080, 901880, 1803760, 4970003, 9940006, 19880012, 24850015, 34790021, 39760024, 49700030, 69580042, 79520048, 99400060, 139160084, 173950105, 198800120, 278320168, 347900210, 397600240, 556640336, 695800420, 1391600840, 2783201680]

約数ペア:

[(1, 2783201680), (2, 1391600840), (4, 695800420), (5, 556640336), (7, 397600240), (8, 347900210), (10, 278320168), (14, 198800120), (16, 173950105), (20, 139160084), (28, 99400060), (35, 79520048), (40, 69580042), (56, 49700030), (70, 39760024), (80, 34790021), (112, 24850015), (140, 19880012), (280, 9940006), (560, 4970003), (1543, 1803760), (3086, 901880), (3221, 864080), (6172, 450940), (6442, 432040), (7715, 360752), (10801, 257680), (12344, 225470), (12884, 216020), (15430, 180376), (16105, 172816), (21602, 128840), (22547, 123440), (24688, 112735), (25768, 108010), (30860, 90188), (32210, 86408), (43204, 64420), (45094, 61720), (51536, 54005)]