15866180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1759}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 21389500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1759, 1804, 2255, 3518, 4510, 7036, 8795, 9020, 17590, 19349, 35180, 38698, 72119, 77396, 96745, 144238, 193490, 288476, 360595, 386980, 721190, 793309, 1442380, 1586618, 3173236, 3966545, 7933090, 15866180]

約数ペア:

[(1, 15866180), (2, 7933090), (4, 3966545), (5, 3173236), (10, 1586618), (11, 1442380), (20, 793309), (22, 721190), (41, 386980), (44, 360595), (55, 288476), (82, 193490), (110, 144238), (164, 96745), (205, 77396), (220, 72119), (410, 38698), (451, 35180), (820, 19349), (902, 17590), (1759, 9020), (1804, 8795), (2255, 7036), (3518, 4510)]