81371760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{339049}}^1$

素因数の和:339065

約数の個数: 40

約数和(自身を含む): 252253200

約数和(自身を除く): 170881440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 339049, 678098, 1017147, 1356196, 1695245, 2034294, 2712392, 3390490, 4068588, 5085735, 5424784, 6780980, 8137176, 10171470, 13561960, 16274352, 20342940, 27123920, 40685880, 81371760]

約数ペア:

[(1, 81371760), (2, 40685880), (3, 27123920), (4, 20342940), (5, 16274352), (6, 13561960), (8, 10171470), (10, 8137176), (12, 6780980), (15, 5424784), (16, 5085735), (20, 4068588), (24, 3390490), (30, 2712392), (40, 2034294), (48, 1695245), (60, 1356196), (80, 1017147), (120, 678098), (240, 339049)]