71719620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170761}}^1$

素因数の和:170780

約数の個数: 48

約数和(自身を含む): 229504128

約数和(自身を除く): 157784508

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, 170761, 341522, 512283, 683044, 853805, 1024566, 1195327, 1707610, 2049132, 2390654, 2561415, 3415220, 3585981, 4781308, 5122830, 5976635, 7171962, 10245660, 11953270, 14343924, 17929905, 23906540, 35859810, 71719620]

約数ペア:

[(1, 71719620), (2, 35859810), (3, 23906540), (4, 17929905), (5, 14343924), (6, 11953270), (7, 10245660), (10, 7171962), (12, 5976635), (14, 5122830), (15, 4781308), (20, 3585981), (21, 3415220), (28, 2561415), (30, 2390654), (35, 2049132), (42, 1707610), (60, 1195327), (70, 1024566), (84, 853805), (105, 683044), (140, 512283), (210, 341522), (420, 170761)]