15258280

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1093}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 34461000

約数和(自身を除く): 19202720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1093, 1396, 1745, 2186, 2792, 3490, 4372, 5465, 6980, 8744, 10930, 13960, 21860, 43720, 381457, 762914, 1525828, 1907285, 3051656, 3814570, 7629140, 15258280]

約数ペア:

[(1, 15258280), (2, 7629140), (4, 3814570), (5, 3051656), (8, 1907285), (10, 1525828), (20, 762914), (40, 381457), (349, 43720), (698, 21860), (1093, 13960), (1396, 10930), (1745, 8744), (2186, 6980), (2792, 5465), (3490, 4372)]