205156980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{162823}}^1$

素因数の和:162845

約数の個数: 72

約数和(自身を含む): 711215232

約数和(自身を除く): 506058252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 162823, 325646, 488469, 651292, 814115, 976938, 1139761, 1465407, 1628230, 1953876, 2279522, 2442345, 2930814, 3256460, 3419283, 4559044, 4884690, 5698805, 5861628, 6838566, 7327035, 9769380, 10257849, 11397610, 13677132, 14654070, 17096415, 20515698, 22795220, 29308140, 34192830, 41031396, 51289245, 68385660, 102578490, 205156980]

約数ペア:

[(1, 205156980), (2, 102578490), (3, 68385660), (4, 51289245), (5, 41031396), (6, 34192830), (7, 29308140), (9, 22795220), (10, 20515698), (12, 17096415), (14, 14654070), (15, 13677132), (18, 11397610), (20, 10257849), (21, 9769380), (28, 7327035), (30, 6838566), (35, 5861628), (36, 5698805), (42, 4884690), (45, 4559044), (60, 3419283), (63, 3256460), (70, 2930814), (84, 2442345), (90, 2279522), (105, 1953876), (126, 1628230), (140, 1465407), (180, 1139761), (210, 976938), (252, 814115), (315, 651292), (420, 488469), (630, 325646), (1260, 162823)]