161245140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{383917}}^1$

素因数の和:383936

約数の個数: 48

約数和(自身を含む): 515985792

約数和(自身を除く): 354740652

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, 383917, 767834, 1151751, 1535668, 1919585, 2303502, 2687419, 3839170, 4607004, 5374838, 5758755, 7678340, 8062257, 10749676, 11517510, 13437095, 16124514, 23035020, 26874190, 32249028, 40311285, 53748380, 80622570, 161245140]

約数ペア:

[(1, 161245140), (2, 80622570), (3, 53748380), (4, 40311285), (5, 32249028), (6, 26874190), (7, 23035020), (10, 16124514), (12, 13437095), (14, 11517510), (15, 10749676), (20, 8062257), (21, 7678340), (28, 5758755), (30, 5374838), (35, 4607004), (42, 3839170), (60, 2687419), (70, 2303502), (84, 1919585), (105, 1535668), (140, 1151751), (210, 767834), (420, 383917)]