139701520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2803}}^1$

素因数の和:2912

約数の個数: 80

約数和(自身を含む): 375511680

約数和(自身を除く): 235810160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 2803, 3115, 3560, 4984, 5606, 6230, 7120, 9968, 11212, 12460, 14015, 19621, 22424, 24920, 28030, 39242, 44848, 49840, 56060, 78484, 98105, 112120, 156968, 196210, 224240, 249467, 313936, 392420, 498934, 784840, 997868, 1247335, 1569680, 1746269, 1995736, 2494670, 3492538, 3991472, 4989340, 6985076, 8731345, 9978680, 13970152, 17462690, 19957360, 27940304, 34925380, 69850760, 139701520]

約数ペア:

[(1, 139701520), (2, 69850760), (4, 34925380), (5, 27940304), (7, 19957360), (8, 17462690), (10, 13970152), (14, 9978680), (16, 8731345), (20, 6985076), (28, 4989340), (35, 3991472), (40, 3492538), (56, 2494670), (70, 1995736), (80, 1746269), (89, 1569680), (112, 1247335), (140, 997868), (178, 784840), (280, 498934), (356, 392420), (445, 313936), (560, 249467), (623, 224240), (712, 196210), (890, 156968), (1246, 112120), (1424, 98105), (1780, 78484), (2492, 56060), (2803, 49840), (3115, 44848), (3560, 39242), (4984, 28030), (5606, 24920), (6230, 22424), (7120, 19621), (9968, 14015), (11212, 12460)]