640115360

素因数分解:

$2^5\times 5^1\times {\mathrm{599}}^1\times {\mathrm{6679}}^1$

素因数の和:7293

約数の個数: 48

約数和(自身を含む): 1515024000

約数和(自身を除く): 874908640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 599, 1198, 2396, 2995, 4792, 5990, 6679, 9584, 11980, 13358, 19168, 23960, 26716, 33395, 47920, 53432, 66790, 95840, 106864, 133580, 213728, 267160, 534320, 1068640, 4000721, 8001442, 16002884, 20003605, 32005768, 40007210, 64011536, 80014420, 128023072, 160028840, 320057680, 640115360]

約数ペア:

[(1, 640115360), (2, 320057680), (4, 160028840), (5, 128023072), (8, 80014420), (10, 64011536), (16, 40007210), (20, 32005768), (32, 20003605), (40, 16002884), (80, 8001442), (160, 4000721), (599, 1068640), (1198, 534320), (2396, 267160), (2995, 213728), (4792, 133580), (5990, 106864), (6679, 95840), (9584, 66790), (11980, 53432), (13358, 47920), (19168, 33395), (23960, 26716)]