1318761780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3139909}}^1$

素因数の和:3139928

約数の個数: 48

約数和(自身を含む): 4220039040

約数和(自身を除く): 2901277260

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, 3139909, 6279818, 9419727, 12559636, 15699545, 18839454, 21979363, 31399090, 37678908, 43958726, 47098635, 62798180, 65938089, 87917452, 94197270, 109896815, 131876178, 188394540, 219793630, 263752356, 329690445, 439587260, 659380890, 1318761780]

約数ペア:

[(1, 1318761780), (2, 659380890), (3, 439587260), (4, 329690445), (5, 263752356), (6, 219793630), (7, 188394540), (10, 131876178), (12, 109896815), (14, 94197270), (15, 87917452), (20, 65938089), (21, 62798180), (28, 47098635), (30, 43958726), (35, 37678908), (42, 31399090), (60, 21979363), (70, 18839454), (84, 15699545), (105, 12559636), (140, 9419727), (210, 6279818), (420, 3139909)]