165558540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{394187}}^1$

素因数の和:394206

約数の個数: 48

約数和(自身を含む): 529788672

約数和(自身を除く): 364230132

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, 394187, 788374, 1182561, 1576748, 1970935, 2365122, 2759309, 3941870, 4730244, 5518618, 5912805, 7883740, 8277927, 11037236, 11825610, 13796545, 16555854, 23651220, 27593090, 33111708, 41389635, 55186180, 82779270, 165558540]

約数ペア:

[(1, 165558540), (2, 82779270), (3, 55186180), (4, 41389635), (5, 33111708), (6, 27593090), (7, 23651220), (10, 16555854), (12, 13796545), (14, 11825610), (15, 11037236), (20, 8277927), (21, 7883740), (28, 5912805), (30, 5518618), (35, 4730244), (42, 3941870), (60, 2759309), (70, 2365122), (84, 1970935), (105, 1576748), (140, 1182561), (210, 788374), (420, 394187)]