15745940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2393}}^1$

素因数の和:2456

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 22864492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2393, 3290, 4786, 6580, 9572, 11965, 16751, 23930, 33502, 47860, 67004, 83755, 112471, 167510, 224942, 335020, 449884, 562355, 787297, 1124710, 1574594, 2249420, 3149188, 3936485, 7872970, 15745940]

約数ペア:

[(1, 15745940), (2, 7872970), (4, 3936485), (5, 3149188), (7, 2249420), (10, 1574594), (14, 1124710), (20, 787297), (28, 562355), (35, 449884), (47, 335020), (70, 224942), (94, 167510), (140, 112471), (188, 83755), (235, 67004), (329, 47860), (470, 33502), (658, 23930), (940, 16751), (1316, 11965), (1645, 9572), (2393, 6580), (3290, 4786)]