30984160

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{983}}^1$

素因数の和:1195

約数の個数: 48

約数和(自身を含む): 73646496

約数和(自身を除く): 42662336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 983, 985, 1576, 1966, 1970, 3152, 3932, 3940, 4915, 6304, 7864, 7880, 9830, 15728, 15760, 19660, 31456, 31520, 39320, 78640, 157280, 193651, 387302, 774604, 968255, 1549208, 1936510, 3098416, 3873020, 6196832, 7746040, 15492080, 30984160]

約数ペア:

[(1, 30984160), (2, 15492080), (4, 7746040), (5, 6196832), (8, 3873020), (10, 3098416), (16, 1936510), (20, 1549208), (32, 968255), (40, 774604), (80, 387302), (160, 193651), (197, 157280), (394, 78640), (788, 39320), (983, 31520), (985, 31456), (1576, 19660), (1966, 15760), (1970, 15728), (3152, 9830), (3932, 7880), (3940, 7864), (4915, 6304)]