213620520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1780171}}^1$

素因数の和:1780185

約数の個数: 32

約数和(自身を含む): 640861920

約数和(自身を除く): 427241400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1780171, 3560342, 5340513, 7120684, 8900855, 10681026, 14241368, 17801710, 21362052, 26702565, 35603420, 42724104, 53405130, 71206840, 106810260, 213620520]

約数ペア:

[(1, 213620520), (2, 106810260), (3, 71206840), (4, 53405130), (5, 42724104), (6, 35603420), (8, 26702565), (10, 21362052), (12, 17801710), (15, 14241368), (20, 10681026), (24, 8900855), (30, 7120684), (40, 5340513), (60, 3560342), (120, 1780171)]