256292640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1447}}^1$

素因数の和:1512

約数の個数: 192

約数和(自身を含む): 919537920

約数和(自身を除く): 663245280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 72, 80, 82, 90, 96, 108, 120, 123, 135, 144, 160, 164, 180, 205, 216, 240, 246, 270, 288, 328, 360, 369, 410, 432, 480, 492, 540, 615, 656, 720, 738, 820, 864, 984, 1080, 1107, 1230, 1312, 1440, 1447, 1476, 1640, 1845, 1968, 2160, 2214, 2460, 2894, 2952, 3280, 3690, 3936, 4320, 4341, 4428, 4920, 5535, 5788, 5904, 6560, 7235, 7380, 8682, 8856, 9840, 11070, 11576, 11808, 13023, 14470, 14760, 17364, 17712, 19680, 21705, 22140, 23152, 26046, 28940, 29520, 34728, 35424, 39069, 43410, 44280, 46304, 52092, 57880, 59040, 59327, 65115, 69456, 78138, 86820, 88560, 104184, 115760, 118654, 130230, 138912, 156276, 173640, 177120, 177981, 195345, 208368, 231520, 237308, 260460, 296635, 312552, 347280, 355962, 390690, 416736, 474616, 520920, 533943, 593270, 625104, 694560, 711924, 781380, 889905, 949232, 1041840, 1067886, 1186540, 1250208, 1423848, 1562760, 1601829, 1779810, 1898464, 2083680, 2135772, 2373080, 2669715, 2847696, 3125520, 3203658, 3559620, 4271544, 4746160, 5339430, 5695392, 6251040, 6407316, 7119240, 8009145, 8543088, 9492320, 10678860, 12814632, 14238480, 16018290, 17086176, 21357720, 25629264, 28476960, 32036580, 42715440, 51258528, 64073160, 85430880, 128146320, 256292640]

約数ペア:

[(1, 256292640), (2, 128146320), (3, 85430880), (4, 64073160), (5, 51258528), (6, 42715440), (8, 32036580), (9, 28476960), (10, 25629264), (12, 21357720), (15, 17086176), (16, 16018290), (18, 14238480), (20, 12814632), (24, 10678860), (27, 9492320), (30, 8543088), (32, 8009145), (36, 7119240), (40, 6407316), (41, 6251040), (45, 5695392), (48, 5339430), (54, 4746160), (60, 4271544), (72, 3559620), (80, 3203658), (82, 3125520), (90, 2847696), (96, 2669715), (108, 2373080), (120, 2135772), (123, 2083680), (135, 1898464), (144, 1779810), (160, 1601829), (164, 1562760), (180, 1423848), (205, 1250208), (216, 1186540), (240, 1067886), (246, 1041840), (270, 949232), (288, 889905), (328, 781380), (360, 711924), (369, 694560), (410, 625104), (432, 593270), (480, 533943), (492, 520920), (540, 474616), (615, 416736), (656, 390690), (720, 355962), (738, 347280), (820, 312552), (864, 296635), (984, 260460), (1080, 237308), (1107, 231520), (1230, 208368), (1312, 195345), (1440, 177981), (1447, 177120), (1476, 173640), (1640, 156276), (1845, 138912), (1968, 130230), (2160, 118654), (2214, 115760), (2460, 104184), (2894, 88560), (2952, 86820), (3280, 78138), (3690, 69456), (3936, 65115), (4320, 59327), (4341, 59040), (4428, 57880), (4920, 52092), (5535, 46304), (5788, 44280), (5904, 43410), (6560, 39069), (7235, 35424), (7380, 34728), (8682, 29520), (8856, 28940), (9840, 26046), (11070, 23152), (11576, 22140), (11808, 21705), (13023, 19680), (14470, 17712), (14760, 17364)]