1978145280

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{28619}}^1$

素因数の和:28651

約数の個数: 160

約数和(自身を含む): 7026782400

約数和(自身を除く): 5048637120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 5760, 6912, 7680, 8640, 11520, 13824, 17280, 23040, 28619, 34560, 57238, 69120, 85857, 114476, 143095, 171714, 228952, 257571, 286190, 343428, 429285, 457904, 515142, 572380, 686856, 772713, 858570, 915808, 1030284, 1144760, 1287855, 1373712, 1545426, 1717140, 1831616, 2060568, 2289520, 2575710, 2747424, 3090852, 3434280, 3663232, 3863565, 4121136, 4579040, 5151420, 5494848, 6181704, 6868560, 7326464, 7727130, 8242272, 9158080, 10302840, 10989696, 12363408, 13737120, 14652928, 15454260, 16484544, 18316160, 20605680, 21979392, 24726816, 27474240, 30908520, 32969088, 36632320, 41211360, 43958784, 49453632, 54948480, 61817040, 65938176, 73264640, 82422720, 98907264, 109896960, 123634080, 131876352, 164845440, 197814528, 219793920, 247268160, 329690880, 395629056, 494536320, 659381760, 989072640, 1978145280]

約数ペア:

[(1, 1978145280), (2, 989072640), (3, 659381760), (4, 494536320), (5, 395629056), (6, 329690880), (8, 247268160), (9, 219793920), (10, 197814528), (12, 164845440), (15, 131876352), (16, 123634080), (18, 109896960), (20, 98907264), (24, 82422720), (27, 73264640), (30, 65938176), (32, 61817040), (36, 54948480), (40, 49453632), (45, 43958784), (48, 41211360), (54, 36632320), (60, 32969088), (64, 30908520), (72, 27474240), (80, 24726816), (90, 21979392), (96, 20605680), (108, 18316160), (120, 16484544), (128, 15454260), (135, 14652928), (144, 13737120), (160, 12363408), (180, 10989696), (192, 10302840), (216, 9158080), (240, 8242272), (256, 7727130), (270, 7326464), (288, 6868560), (320, 6181704), (360, 5494848), (384, 5151420), (432, 4579040), (480, 4121136), (512, 3863565), (540, 3663232), (576, 3434280), (640, 3090852), (720, 2747424), (768, 2575710), (864, 2289520), (960, 2060568), (1080, 1831616), (1152, 1717140), (1280, 1545426), (1440, 1373712), (1536, 1287855), (1728, 1144760), (1920, 1030284), (2160, 915808), (2304, 858570), (2560, 772713), (2880, 686856), (3456, 572380), (3840, 515142), (4320, 457904), (4608, 429285), (5760, 343428), (6912, 286190), (7680, 257571), (8640, 228952), (11520, 171714), (13824, 143095), (17280, 114476), (23040, 85857), (28619, 69120), (34560, 57238)]