15349240

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{769}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 34650000

約数和(自身を除く): 19300760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 769, 998, 1538, 1996, 2495, 3076, 3845, 3992, 4990, 6152, 7690, 9980, 15380, 19960, 30760, 383731, 767462, 1534924, 1918655, 3069848, 3837310, 7674620, 15349240]

約数ペア:

[(1, 15349240), (2, 7674620), (4, 3837310), (5, 3069848), (8, 1918655), (10, 1534924), (20, 767462), (40, 383731), (499, 30760), (769, 19960), (998, 15380), (1538, 9980), (1996, 7690), (2495, 6152), (3076, 4990), (3845, 3992)]