78917120

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1063}}^1$

素因数の和:1115

約数の個数: 80

約数和(自身を含む): 195924960

約数和(自身を除く): 117007840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1063, 1160, 1280, 1856, 2126, 2320, 2560, 3712, 4252, 4640, 5315, 7424, 8504, 9280, 10630, 14848, 17008, 18560, 21260, 30827, 34016, 37120, 42520, 61654, 68032, 74240, 85040, 123308, 136064, 154135, 170080, 246616, 272128, 308270, 340160, 493232, 544256, 616540, 680320, 986464, 1233080, 1360640, 1972928, 2466160, 2721280, 3945856, 4932320, 7891712, 9864640, 15783424, 19729280, 39458560, 78917120]

約数ペア:

[(1, 78917120), (2, 39458560), (4, 19729280), (5, 15783424), (8, 9864640), (10, 7891712), (16, 4932320), (20, 3945856), (29, 2721280), (32, 2466160), (40, 1972928), (58, 1360640), (64, 1233080), (80, 986464), (116, 680320), (128, 616540), (145, 544256), (160, 493232), (232, 340160), (256, 308270), (290, 272128), (320, 246616), (464, 170080), (512, 154135), (580, 136064), (640, 123308), (928, 85040), (1063, 74240), (1160, 68032), (1280, 61654), (1856, 42520), (2126, 37120), (2320, 34016), (2560, 30827), (3712, 21260), (4252, 18560), (4640, 17008), (5315, 14848), (7424, 10630), (8504, 9280)]