80915310

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{128437}}^1$

素因数の和:128457

約数の個数: 48

約数和(自身を含む): 240435936

約数和(自身を除く): 159520626

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 128437, 256874, 385311, 642185, 770622, 899059, 1155933, 1284370, 1798118, 1926555, 2311866, 2697177, 3853110, 4495295, 5394354, 5779665, 8091531, 8990590, 11559330, 13485885, 16183062, 26971770, 40457655, 80915310]

約数ペア:

[(1, 80915310), (2, 40457655), (3, 26971770), (5, 16183062), (6, 13485885), (7, 11559330), (9, 8990590), (10, 8091531), (14, 5779665), (15, 5394354), (18, 4495295), (21, 3853110), (30, 2697177), (35, 2311866), (42, 1926555), (45, 1798118), (63, 1284370), (70, 1155933), (90, 899059), (105, 770622), (126, 642185), (210, 385311), (315, 256874), (630, 128437)]