164033820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21193}}^1$

素因数の和:21251

約数の個数: 72

約数和(自身を含む): 509164656

約数和(自身を除く): 345130836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 21193, 42386, 63579, 84772, 105965, 127158, 190737, 211930, 254316, 317895, 381474, 423860, 635790, 762948, 911299, 953685, 1271580, 1822598, 1907370, 2733897, 3645196, 3814740, 4556495, 5467794, 8201691, 9112990, 10935588, 13669485, 16403382, 18225980, 27338970, 32806764, 41008455, 54677940, 82016910, 164033820]

約数ペア:

[(1, 164033820), (2, 82016910), (3, 54677940), (4, 41008455), (5, 32806764), (6, 27338970), (9, 18225980), (10, 16403382), (12, 13669485), (15, 10935588), (18, 9112990), (20, 8201691), (30, 5467794), (36, 4556495), (43, 3814740), (45, 3645196), (60, 2733897), (86, 1907370), (90, 1822598), (129, 1271580), (172, 953685), (180, 911299), (215, 762948), (258, 635790), (387, 423860), (430, 381474), (516, 317895), (645, 254316), (774, 211930), (860, 190737), (1290, 127158), (1548, 105965), (1935, 84772), (2580, 63579), (3870, 42386), (7740, 21193)]