131424640

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1187}}^1$

素因数の和:1379

約数の個数: 64

約数和(自身を含む): 316269360

約数和(自身を除く): 184844720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 640, 692, 865, 1187, 1384, 1730, 2374, 2768, 3460, 4748, 5536, 5935, 6920, 9496, 11072, 11870, 13840, 18992, 22144, 23740, 27680, 37984, 47480, 55360, 75968, 94960, 110720, 151936, 189920, 205351, 379840, 410702, 759680, 821404, 1026755, 1642808, 2053510, 3285616, 4107020, 6571232, 8214040, 13142464, 16428080, 26284928, 32856160, 65712320, 131424640]

約数ペア:

[(1, 131424640), (2, 65712320), (4, 32856160), (5, 26284928), (8, 16428080), (10, 13142464), (16, 8214040), (20, 6571232), (32, 4107020), (40, 3285616), (64, 2053510), (80, 1642808), (128, 1026755), (160, 821404), (173, 759680), (320, 410702), (346, 379840), (640, 205351), (692, 189920), (865, 151936), (1187, 110720), (1384, 94960), (1730, 75968), (2374, 55360), (2768, 47480), (3460, 37984), (4748, 27680), (5536, 23740), (5935, 22144), (6920, 18992), (9496, 13840), (11072, 11870)]