154493220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{367841}}^1$

素因数の和:367860

約数の個数: 48

約数和(自身を含む): 494379648

約数和(自身を除く): 339886428

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, 367841, 735682, 1103523, 1471364, 1839205, 2207046, 2574887, 3678410, 4414092, 5149774, 5517615, 7356820, 7724661, 10299548, 11035230, 12874435, 15449322, 22070460, 25748870, 30898644, 38623305, 51497740, 77246610, 154493220]

約数ペア:

[(1, 154493220), (2, 77246610), (3, 51497740), (4, 38623305), (5, 30898644), (6, 25748870), (7, 22070460), (10, 15449322), (12, 12874435), (14, 11035230), (15, 10299548), (20, 7724661), (21, 7356820), (28, 5517615), (30, 5149774), (35, 4414092), (42, 3678410), (60, 2574887), (70, 2207046), (84, 1839205), (105, 1471364), (140, 1103523), (210, 735682), (420, 367841)]