205170720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{427439}}^1$

素因数の和:427457

約数の個数: 48

約数和(自身を含む): 646289280

約数和(自身を除く): 441118560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 427439, 854878, 1282317, 1709756, 2137195, 2564634, 3419512, 4274390, 5129268, 6411585, 6839024, 8548780, 10258536, 12823170, 13678048, 17097560, 20517072, 25646340, 34195120, 41034144, 51292680, 68390240, 102585360, 205170720]

約数ペア:

[(1, 205170720), (2, 102585360), (3, 68390240), (4, 51292680), (5, 41034144), (6, 34195120), (8, 25646340), (10, 20517072), (12, 17097560), (15, 13678048), (16, 12823170), (20, 10258536), (24, 8548780), (30, 6839024), (32, 6411585), (40, 5129268), (48, 4274390), (60, 3419512), (80, 2564634), (96, 2137195), (120, 1709756), (160, 1282317), (240, 854878), (480, 427439)]