85281280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{4759}}^1$

素因数の和:4789

約数の個数: 80

約数和(自身を含む): 233735040

約数和(自身を除く): 148453760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 4759, 8960, 9518, 17920, 19036, 23795, 33313, 38072, 47590, 66626, 76144, 95180, 133252, 152288, 166565, 190360, 266504, 304576, 333130, 380720, 533008, 609152, 666260, 761440, 1066016, 1218304, 1332520, 1522880, 2132032, 2436608, 2665040, 3045760, 4264064, 5330080, 6091520, 8528128, 10660160, 12183040, 17056256, 21320320, 42640640, 85281280]

約数ペア:

[(1, 85281280), (2, 42640640), (4, 21320320), (5, 17056256), (7, 12183040), (8, 10660160), (10, 8528128), (14, 6091520), (16, 5330080), (20, 4264064), (28, 3045760), (32, 2665040), (35, 2436608), (40, 2132032), (56, 1522880), (64, 1332520), (70, 1218304), (80, 1066016), (112, 761440), (128, 666260), (140, 609152), (160, 533008), (224, 380720), (256, 333130), (280, 304576), (320, 266504), (448, 190360), (512, 166565), (560, 152288), (640, 133252), (896, 95180), (1120, 76144), (1280, 66626), (1792, 47590), (2240, 38072), (2560, 33313), (3584, 23795), (4480, 19036), (4759, 17920), (8960, 9518)]