54079620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{128761}}^1$

素因数の和:128780

約数の個数: 48

約数和(自身を含む): 173056128

約数和(自身を除く): 118976508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 128761, 257522, 386283, 515044, 643805, 772566, 901327, 1287610, 1545132, 1802654, 1931415, 2575220, 2703981, 3605308, 3862830, 4506635, 5407962, 7725660, 9013270, 10815924, 13519905, 18026540, 27039810, 54079620]

約数ペア:

[(1, 54079620), (2, 27039810), (3, 18026540), (4, 13519905), (5, 10815924), (6, 9013270), (7, 7725660), (10, 5407962), (12, 4506635), (14, 3862830), (15, 3605308), (20, 2703981), (21, 2575220), (28, 1931415), (30, 1802654), (35, 1545132), (42, 1287610), (60, 901327), (70, 772566), (84, 643805), (105, 515044), (140, 386283), (210, 257522), (420, 128761)]