80998260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192853}}^1$

素因数の和:192872

約数の個数: 48

約数和(自身を含む): 259195776

約数和(自身を除く): 178197516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 192853, 385706, 578559, 771412, 964265, 1157118, 1349971, 1928530, 2314236, 2699942, 2892795, 3857060, 4049913, 5399884, 5785590, 6749855, 8099826, 11571180, 13499710, 16199652, 20249565, 26999420, 40499130, 80998260]

約数ペア:

[(1, 80998260), (2, 40499130), (3, 26999420), (4, 20249565), (5, 16199652), (6, 13499710), (7, 11571180), (10, 8099826), (12, 6749855), (14, 5785590), (15, 5399884), (20, 4049913), (21, 3857060), (28, 2892795), (30, 2699942), (35, 2314236), (42, 1928530), (60, 1349971), (70, 1157118), (84, 964265), (105, 771412), (140, 578559), (210, 385706), (420, 192853)]