142631440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{254699}}^1$

素因数の和:254719

約数の個数: 40

約数和(自身を含む): 378993600

約数和(自身を除く): 236362160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 254699, 509398, 1018796, 1273495, 1782893, 2037592, 2546990, 3565786, 4075184, 5093980, 7131572, 8914465, 10187960, 14263144, 17828930, 20375920, 28526288, 35657860, 71315720, 142631440]

約数ペア:

[(1, 142631440), (2, 71315720), (4, 35657860), (5, 28526288), (7, 20375920), (8, 17828930), (10, 14263144), (14, 10187960), (16, 8914465), (20, 7131572), (28, 5093980), (35, 4075184), (40, 3565786), (56, 2546990), (70, 2037592), (80, 1782893), (112, 1273495), (140, 1018796), (280, 509398), (560, 254699)]