1520335040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{678721}}^1$

素因数の和:678745

約数の個数: 56

約数和(自身を含む): 4137489312

約数和(自身を除く): 2617154272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 678721, 1357442, 2714884, 3393605, 4751047, 5429768, 6787210, 9502094, 10859536, 13574420, 19004188, 21719072, 23755235, 27148840, 38008376, 43438144, 47510470, 54297680, 76016752, 95020940, 108595360, 152033504, 190041880, 217190720, 304067008, 380083760, 760167520, 1520335040]

約数ペア:

[(1, 1520335040), (2, 760167520), (4, 380083760), (5, 304067008), (7, 217190720), (8, 190041880), (10, 152033504), (14, 108595360), (16, 95020940), (20, 76016752), (28, 54297680), (32, 47510470), (35, 43438144), (40, 38008376), (56, 27148840), (64, 23755235), (70, 21719072), (80, 19004188), (112, 13574420), (140, 10859536), (160, 9502094), (224, 6787210), (280, 5429768), (320, 4751047), (448, 3393605), (560, 2714884), (1120, 1357442), (2240, 678721)]