19889280

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1151}}^1$

素因数の和:1179

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 50613120

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, 1151, 1152, 1440, 1728, 1920, 2160, 2302, 2880, 3453, 3456, 4320, 4604, 5755, 5760, 6906, 8640, 9208, 10359, 11510, 13812, 17265, 17280, 18416, 20718, 23020, 27624, 31077, 34530, 36832, 41436, 46040, 51795, 55248, 62154, 69060, 73664, 82872, 92080, 103590, 110496, 124308, 138120, 147328, 155385, 165744, 184160, 207180, 220992, 248616, 276240, 310770, 331488, 368320, 414360, 441984, 497232, 552480, 621540, 662976, 736640, 828720, 994464, 1104960, 1243080, 1325952, 1657440, 1988928, 2209920, 2486160, 3314880, 3977856, 4972320, 6629760, 9944640, 19889280]

約数ペア:

[(1, 19889280), (2, 9944640), (3, 6629760), (4, 4972320), (5, 3977856), (6, 3314880), (8, 2486160), (9, 2209920), (10, 1988928), (12, 1657440), (15, 1325952), (16, 1243080), (18, 1104960), (20, 994464), (24, 828720), (27, 736640), (30, 662976), (32, 621540), (36, 552480), (40, 497232), (45, 441984), (48, 414360), (54, 368320), (60, 331488), (64, 310770), (72, 276240), (80, 248616), (90, 220992), (96, 207180), (108, 184160), (120, 165744), (128, 155385), (135, 147328), (144, 138120), (160, 124308), (180, 110496), (192, 103590), (216, 92080), (240, 82872), (270, 73664), (288, 69060), (320, 62154), (360, 55248), (384, 51795), (432, 46040), (480, 41436), (540, 36832), (576, 34530), (640, 31077), (720, 27624), (864, 23020), (960, 20718), (1080, 18416), (1151, 17280), (1152, 17265), (1440, 13812), (1728, 11510), (1920, 10359), (2160, 9208), (2302, 8640), (2880, 6906), (3453, 5760), (3456, 5755), (4320, 4604)]