30621160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 74289600

約数和(自身を除く): 43668440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 937, 1634, 1720, 1874, 3268, 3748, 4085, 4685, 6536, 7496, 8170, 9370, 16340, 17803, 18740, 32680, 35606, 37480, 40291, 71212, 80582, 89015, 142424, 161164, 178030, 201455, 322328, 356060, 402910, 712120, 765529, 805820, 1531058, 1611640, 3062116, 3827645, 6124232, 7655290, 15310580, 30621160]

約数ペア:

[(1, 30621160), (2, 15310580), (4, 7655290), (5, 6124232), (8, 3827645), (10, 3062116), (19, 1611640), (20, 1531058), (38, 805820), (40, 765529), (43, 712120), (76, 402910), (86, 356060), (95, 322328), (152, 201455), (172, 178030), (190, 161164), (215, 142424), (344, 89015), (380, 80582), (430, 71212), (760, 40291), (817, 37480), (860, 35606), (937, 32680), (1634, 18740), (1720, 17803), (1874, 16340), (3268, 9370), (3748, 8170), (4085, 7496), (4685, 6536)]