15012340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{683}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 36312192

約数和(自身を除く): 21299852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 683, 785, 1099, 1366, 1570, 2198, 2732, 3140, 3415, 4396, 4781, 5495, 6830, 9562, 10990, 13660, 19124, 21980, 23905, 47810, 95620, 107231, 214462, 428924, 536155, 750617, 1072310, 1501234, 2144620, 3002468, 3753085, 7506170, 15012340]

約数ペア:

[(1, 15012340), (2, 7506170), (4, 3753085), (5, 3002468), (7, 2144620), (10, 1501234), (14, 1072310), (20, 750617), (28, 536155), (35, 428924), (70, 214462), (140, 107231), (157, 95620), (314, 47810), (628, 23905), (683, 21980), (785, 19124), (1099, 13660), (1366, 10990), (1570, 9562), (2198, 6830), (2732, 5495), (3140, 4781), (3415, 4396)]