15496460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 22243060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1559, 1988, 2485, 3118, 4970, 6236, 7795, 9940, 10913, 15590, 21826, 31180, 43652, 54565, 109130, 110689, 218260, 221378, 442756, 553445, 774823, 1106890, 1549646, 2213780, 3099292, 3874115, 7748230, 15496460]

約数ペア:

[(1, 15496460), (2, 7748230), (4, 3874115), (5, 3099292), (7, 2213780), (10, 1549646), (14, 1106890), (20, 774823), (28, 553445), (35, 442756), (70, 221378), (71, 218260), (140, 110689), (142, 109130), (284, 54565), (355, 43652), (497, 31180), (710, 21826), (994, 15590), (1420, 10913), (1559, 9940), (1988, 7795), (2485, 6236), (3118, 4970)]