56131020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28349}}^1$

素因数の和:28375

約数の個数: 72

約数和(自身を含む): 185749200

約数和(自身を除く): 129618180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 28349, 56698, 85047, 113396, 141745, 170094, 255141, 283490, 311839, 340188, 425235, 510282, 566980, 623678, 850470, 935517, 1020564, 1247356, 1275705, 1559195, 1700940, 1871034, 2551410, 2806551, 3118390, 3742068, 4677585, 5102820, 5613102, 6236780, 9355170, 11226204, 14032755, 18710340, 28065510, 56131020]

約数ペア:

[(1, 56131020), (2, 28065510), (3, 18710340), (4, 14032755), (5, 11226204), (6, 9355170), (9, 6236780), (10, 5613102), (11, 5102820), (12, 4677585), (15, 3742068), (18, 3118390), (20, 2806551), (22, 2551410), (30, 1871034), (33, 1700940), (36, 1559195), (44, 1275705), (45, 1247356), (55, 1020564), (60, 935517), (66, 850470), (90, 623678), (99, 566980), (110, 510282), (132, 425235), (165, 340188), (180, 311839), (198, 283490), (220, 255141), (330, 170094), (396, 141745), (495, 113396), (660, 85047), (990, 56698), (1980, 28349)]