81452520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1423}}^1$

素因数の和:1496

約数の個数: 128

約数和(自身を含む): 276825600

約数和(自身を除く): 195373080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 72, 90, 106, 108, 120, 135, 159, 180, 212, 216, 265, 270, 318, 360, 424, 477, 530, 540, 636, 795, 954, 1060, 1080, 1272, 1423, 1431, 1590, 1908, 2120, 2385, 2846, 2862, 3180, 3816, 4269, 4770, 5692, 5724, 6360, 7115, 7155, 8538, 9540, 11384, 11448, 12807, 14230, 14310, 17076, 19080, 21345, 25614, 28460, 28620, 34152, 38421, 42690, 51228, 56920, 57240, 64035, 75419, 76842, 85380, 102456, 128070, 150838, 153684, 170760, 192105, 226257, 256140, 301676, 307368, 377095, 384210, 452514, 512280, 603352, 678771, 754190, 768420, 905028, 1131285, 1357542, 1508380, 1536840, 1810056, 2036313, 2262570, 2715084, 3016760, 3393855, 4072626, 4525140, 5430168, 6787710, 8145252, 9050280, 10181565, 13575420, 16290504, 20363130, 27150840, 40726260, 81452520]

約数ペア:

[(1, 81452520), (2, 40726260), (3, 27150840), (4, 20363130), (5, 16290504), (6, 13575420), (8, 10181565), (9, 9050280), (10, 8145252), (12, 6787710), (15, 5430168), (18, 4525140), (20, 4072626), (24, 3393855), (27, 3016760), (30, 2715084), (36, 2262570), (40, 2036313), (45, 1810056), (53, 1536840), (54, 1508380), (60, 1357542), (72, 1131285), (90, 905028), (106, 768420), (108, 754190), (120, 678771), (135, 603352), (159, 512280), (180, 452514), (212, 384210), (216, 377095), (265, 307368), (270, 301676), (318, 256140), (360, 226257), (424, 192105), (477, 170760), (530, 153684), (540, 150838), (636, 128070), (795, 102456), (954, 85380), (1060, 76842), (1080, 75419), (1272, 64035), (1423, 57240), (1431, 56920), (1590, 51228), (1908, 42690), (2120, 38421), (2385, 34152), (2846, 28620), (2862, 28460), (3180, 25614), (3816, 21345), (4269, 19080), (4770, 17076), (5692, 14310), (5724, 14230), (6360, 12807), (7115, 11448), (7155, 11384), (8538, 9540)]