90218790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12689}}^1$

素因数の和:12781

約数の個数: 48

約数和(自身を含む): 237556800

約数和(自身を除く): 147338010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 3555, 7110, 12689, 25378, 38067, 63445, 76134, 114201, 126890, 190335, 228402, 380670, 571005, 1002431, 1142010, 2004862, 3007293, 5012155, 6014586, 9021879, 10024310, 15036465, 18043758, 30072930, 45109395, 90218790]

約数ペア:

[(1, 90218790), (2, 45109395), (3, 30072930), (5, 18043758), (6, 15036465), (9, 10024310), (10, 9021879), (15, 6014586), (18, 5012155), (30, 3007293), (45, 2004862), (79, 1142010), (90, 1002431), (158, 571005), (237, 380670), (395, 228402), (474, 190335), (711, 126890), (790, 114201), (1185, 76134), (1422, 63445), (2370, 38067), (3555, 25378), (7110, 12689)]