205327680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11257}}^1$

素因数の和:11296

約数の個数: 112

約数和(自身を含む): 686287680

約数和(自身を除く): 480960000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1216, 1520, 1824, 2280, 3040, 3648, 4560, 6080, 9120, 11257, 18240, 22514, 33771, 45028, 56285, 67542, 90056, 112570, 135084, 168855, 180112, 213883, 225140, 270168, 337710, 360224, 427766, 450280, 540336, 641649, 675420, 720448, 855532, 900560, 1069415, 1080672, 1283298, 1350840, 1711064, 1801120, 2138830, 2161344, 2566596, 2701680, 3208245, 3422128, 3602240, 4277660, 5133192, 5403360, 6416490, 6844256, 8555320, 10266384, 10806720, 12832980, 13688512, 17110640, 20532768, 25665960, 34221280, 41065536, 51331920, 68442560, 102663840, 205327680]

約数ペア:

[(1, 205327680), (2, 102663840), (3, 68442560), (4, 51331920), (5, 41065536), (6, 34221280), (8, 25665960), (10, 20532768), (12, 17110640), (15, 13688512), (16, 12832980), (19, 10806720), (20, 10266384), (24, 8555320), (30, 6844256), (32, 6416490), (38, 5403360), (40, 5133192), (48, 4277660), (57, 3602240), (60, 3422128), (64, 3208245), (76, 2701680), (80, 2566596), (95, 2161344), (96, 2138830), (114, 1801120), (120, 1711064), (152, 1350840), (160, 1283298), (190, 1080672), (192, 1069415), (228, 900560), (240, 855532), (285, 720448), (304, 675420), (320, 641649), (380, 540336), (456, 450280), (480, 427766), (570, 360224), (608, 337710), (760, 270168), (912, 225140), (960, 213883), (1140, 180112), (1216, 168855), (1520, 135084), (1824, 112570), (2280, 90056), (3040, 67542), (3648, 56285), (4560, 45028), (6080, 33771), (9120, 22514), (11257, 18240)]