15131440

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2591}}^1$

素因数の和:2677

約数の個数: 40

約数和(自身を含む): 35676288

約数和(自身を除く): 20544848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2591, 2920, 5182, 5840, 10364, 12955, 20728, 25910, 41456, 51820, 103640, 189143, 207280, 378286, 756572, 945715, 1513144, 1891430, 3026288, 3782860, 7565720, 15131440]

約数ペア:

[(1, 15131440), (2, 7565720), (4, 3782860), (5, 3026288), (8, 1891430), (10, 1513144), (16, 945715), (20, 756572), (40, 378286), (73, 207280), (80, 189143), (146, 103640), (292, 51820), (365, 41456), (584, 25910), (730, 20728), (1168, 12955), (1460, 10364), (2591, 5840), (2920, 5182)]