81646080

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{10631}}^1$

素因数の和:10657

約数の個数: 80

約数和(自身を含む): 261036864

約数和(自身を除く): 179390784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 10631, 21262, 31893, 42524, 53155, 63786, 85048, 106310, 127572, 159465, 170096, 212620, 255144, 318930, 340192, 425240, 510288, 637860, 680384, 850480, 1020576, 1275720, 1360768, 1700960, 2041152, 2551440, 2721536, 3401920, 4082304, 5102880, 5443072, 6803840, 8164608, 10205760, 13607680, 16329216, 20411520, 27215360, 40823040, 81646080]

約数ペア:

[(1, 81646080), (2, 40823040), (3, 27215360), (4, 20411520), (5, 16329216), (6, 13607680), (8, 10205760), (10, 8164608), (12, 6803840), (15, 5443072), (16, 5102880), (20, 4082304), (24, 3401920), (30, 2721536), (32, 2551440), (40, 2041152), (48, 1700960), (60, 1360768), (64, 1275720), (80, 1020576), (96, 850480), (120, 680384), (128, 637860), (160, 510288), (192, 425240), (240, 340192), (256, 318930), (320, 255144), (384, 212620), (480, 170096), (512, 159465), (640, 127572), (768, 106310), (960, 85048), (1280, 63786), (1536, 53155), (1920, 42524), (2560, 31893), (3840, 21262), (7680, 10631)]