12905340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30727}}^1$

素因数の和:30746

約数の個数: 48

約数和(自身を含む): 41298432

約数和(自身を除く): 28393092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30727, 61454, 92181, 122908, 153635, 184362, 215089, 307270, 368724, 430178, 460905, 614540, 645267, 860356, 921810, 1075445, 1290534, 1843620, 2150890, 2581068, 3226335, 4301780, 6452670, 12905340]

約数ペア:

[(1, 12905340), (2, 6452670), (3, 4301780), (4, 3226335), (5, 2581068), (6, 2150890), (7, 1843620), (10, 1290534), (12, 1075445), (14, 921810), (15, 860356), (20, 645267), (21, 614540), (28, 460905), (30, 430178), (35, 368724), (42, 307270), (60, 215089), (70, 184362), (84, 153635), (105, 122908), (140, 92181), (210, 61454), (420, 30727)]