15367840

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 36620640

約数和(自身を除く): 21252800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 691, 695, 1112, 1382, 1390, 2224, 2764, 2780, 3455, 4448, 5528, 5560, 6910, 11056, 11120, 13820, 22112, 22240, 27640, 55280, 96049, 110560, 192098, 384196, 480245, 768392, 960490, 1536784, 1920980, 3073568, 3841960, 7683920, 15367840]

約数ペア:

[(1, 15367840), (2, 7683920), (4, 3841960), (5, 3073568), (8, 1920980), (10, 1536784), (16, 960490), (20, 768392), (32, 480245), (40, 384196), (80, 192098), (139, 110560), (160, 96049), (278, 55280), (556, 27640), (691, 22240), (695, 22112), (1112, 13820), (1382, 11120), (1390, 11056), (2224, 6910), (2764, 5560), (2780, 5528), (3455, 4448)]