161224980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{383869}}^1$

素因数の和:383888

約数の個数: 48

約数和(自身を含む): 515921280

約数和(自身を除く): 354696300

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, 383869, 767738, 1151607, 1535476, 1919345, 2303214, 2687083, 3838690, 4606428, 5374166, 5758035, 7677380, 8061249, 10748332, 11516070, 13435415, 16122498, 23032140, 26870830, 32244996, 40306245, 53741660, 80612490, 161224980]

約数ペア:

[(1, 161224980), (2, 80612490), (3, 53741660), (4, 40306245), (5, 32244996), (6, 26870830), (7, 23032140), (10, 16122498), (12, 13435415), (14, 11516070), (15, 10748332), (20, 8061249), (21, 7677380), (28, 5758035), (30, 5374166), (35, 4606428), (42, 3838690), (60, 2687083), (70, 2303214), (84, 1919345), (105, 1535476), (140, 1151607), (210, 767738), (420, 383869)]