28010880

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1621}}^1$

素因数の和:1649

約数の個数: 128

約数和(自身を含む): 99266400

約数和(自身を除く): 71255520

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, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1621, 1728, 1920, 2160, 2880, 3242, 3456, 4320, 4863, 5760, 6484, 8105, 8640, 9726, 12968, 14589, 16210, 17280, 19452, 24315, 25936, 29178, 32420, 38904, 43767, 48630, 51872, 58356, 64840, 72945, 77808, 87534, 97260, 103744, 116712, 129680, 145890, 155616, 175068, 194520, 207488, 218835, 233424, 259360, 291780, 311232, 350136, 389040, 437670, 466848, 518720, 583560, 622464, 700272, 778080, 875340, 933696, 1037440, 1167120, 1400544, 1556160, 1750680, 1867392, 2334240, 2801088, 3112320, 3501360, 4668480, 5602176, 7002720, 9336960, 14005440, 28010880]

約数ペア:

[(1, 28010880), (2, 14005440), (3, 9336960), (4, 7002720), (5, 5602176), (6, 4668480), (8, 3501360), (9, 3112320), (10, 2801088), (12, 2334240), (15, 1867392), (16, 1750680), (18, 1556160), (20, 1400544), (24, 1167120), (27, 1037440), (30, 933696), (32, 875340), (36, 778080), (40, 700272), (45, 622464), (48, 583560), (54, 518720), (60, 466848), (64, 437670), (72, 389040), (80, 350136), (90, 311232), (96, 291780), (108, 259360), (120, 233424), (128, 218835), (135, 207488), (144, 194520), (160, 175068), (180, 155616), (192, 145890), (216, 129680), (240, 116712), (270, 103744), (288, 97260), (320, 87534), (360, 77808), (384, 72945), (432, 64840), (480, 58356), (540, 51872), (576, 48630), (640, 43767), (720, 38904), (864, 32420), (960, 29178), (1080, 25936), (1152, 24315), (1440, 19452), (1621, 17280), (1728, 16210), (1920, 14589), (2160, 12968), (2880, 9726), (3242, 8640), (3456, 8105), (4320, 6484), (4863, 5760)]