28395180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14341}}^1$

素因数の和:14367

約数の個数: 72

約数和(自身を含む): 93968784

約数和(自身を除く): 65573604

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, 14341, 28682, 43023, 57364, 71705, 86046, 129069, 143410, 157751, 172092, 215115, 258138, 286820, 315502, 430230, 473253, 516276, 631004, 645345, 788755, 860460, 946506, 1290690, 1419759, 1577510, 1893012, 2366265, 2581380, 2839518, 3155020, 4732530, 5679036, 7098795, 9465060, 14197590, 28395180]

約数ペア:

[(1, 28395180), (2, 14197590), (3, 9465060), (4, 7098795), (5, 5679036), (6, 4732530), (9, 3155020), (10, 2839518), (11, 2581380), (12, 2366265), (15, 1893012), (18, 1577510), (20, 1419759), (22, 1290690), (30, 946506), (33, 860460), (36, 788755), (44, 645345), (45, 631004), (55, 516276), (60, 473253), (66, 430230), (90, 315502), (99, 286820), (110, 258138), (132, 215115), (165, 172092), (180, 157751), (198, 143410), (220, 129069), (330, 86046), (396, 71705), (495, 57364), (660, 43023), (990, 28682), (1980, 14341)]