255648920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{3019}}^1$

素因数の和:3132

約数の個数: 64

約数和(自身を含む): 603396000

約数和(自身を除く): 347747080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 232, 290, 292, 365, 580, 584, 730, 1160, 1460, 2117, 2920, 3019, 4234, 6038, 8468, 10585, 12076, 15095, 16936, 21170, 24152, 30190, 42340, 60380, 84680, 87551, 120760, 175102, 220387, 350204, 437755, 440774, 700408, 875510, 881548, 1101935, 1751020, 1763096, 2203870, 3502040, 4407740, 6391223, 8815480, 12782446, 25564892, 31956115, 51129784, 63912230, 127824460, 255648920]

約数ペア:

[(1, 255648920), (2, 127824460), (4, 63912230), (5, 51129784), (8, 31956115), (10, 25564892), (20, 12782446), (29, 8815480), (40, 6391223), (58, 4407740), (73, 3502040), (116, 2203870), (145, 1763096), (146, 1751020), (232, 1101935), (290, 881548), (292, 875510), (365, 700408), (580, 440774), (584, 437755), (730, 350204), (1160, 220387), (1460, 175102), (2117, 120760), (2920, 87551), (3019, 84680), (4234, 60380), (6038, 42340), (8468, 30190), (10585, 24152), (12076, 21170), (15095, 16936)]