421576416

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:529

約数の個数: 144

約数和(自身を含む): 1241866080

約数和(自身を除く): 820289664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 71, 72, 96, 106, 142, 144, 159, 212, 213, 284, 288, 318, 389, 424, 426, 477, 568, 636, 639, 778, 848, 852, 954, 1136, 1167, 1272, 1278, 1556, 1696, 1704, 1908, 2272, 2334, 2544, 2556, 3112, 3408, 3501, 3763, 3816, 4668, 5088, 5112, 6224, 6816, 7002, 7526, 7632, 9336, 10224, 11289, 12448, 14004, 15052, 15264, 18672, 20448, 20617, 22578, 27619, 28008, 30104, 33867, 37344, 41234, 45156, 55238, 56016, 60208, 61851, 67734, 82468, 82857, 90312, 110476, 112032, 120416, 123702, 135468, 164936, 165714, 180624, 185553, 220952, 247404, 248571, 270936, 329872, 331428, 361248, 371106, 441904, 494808, 497142, 541872, 659744, 662856, 742212, 883808, 989616, 994284, 1083744, 1325712, 1463807, 1484424, 1979232, 1988568, 2651424, 2927614, 2968848, 3977136, 4391421, 5855228, 5937696, 7954272, 8782842, 11710456, 13174263, 17565684, 23420912, 26348526, 35131368, 46841824, 52697052, 70262736, 105394104, 140525472, 210788208, 421576416]

約数ペア:

[(1, 421576416), (2, 210788208), (3, 140525472), (4, 105394104), (6, 70262736), (8, 52697052), (9, 46841824), (12, 35131368), (16, 26348526), (18, 23420912), (24, 17565684), (32, 13174263), (36, 11710456), (48, 8782842), (53, 7954272), (71, 5937696), (72, 5855228), (96, 4391421), (106, 3977136), (142, 2968848), (144, 2927614), (159, 2651424), (212, 1988568), (213, 1979232), (284, 1484424), (288, 1463807), (318, 1325712), (389, 1083744), (424, 994284), (426, 989616), (477, 883808), (568, 742212), (636, 662856), (639, 659744), (778, 541872), (848, 497142), (852, 494808), (954, 441904), (1136, 371106), (1167, 361248), (1272, 331428), (1278, 329872), (1556, 270936), (1696, 248571), (1704, 247404), (1908, 220952), (2272, 185553), (2334, 180624), (2544, 165714), (2556, 164936), (3112, 135468), (3408, 123702), (3501, 120416), (3763, 112032), (3816, 110476), (4668, 90312), (5088, 82857), (5112, 82468), (6224, 67734), (6816, 61851), (7002, 60208), (7526, 56016), (7632, 55238), (9336, 45156), (10224, 41234), (11289, 37344), (12448, 33867), (14004, 30104), (15052, 28008), (15264, 27619), (18672, 22578), (20448, 20617)]