15968320

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:515

約数の個数: 56

約数和(自身を含む): 38404800

約数和(自身を除く): 22436480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 359, 556, 695, 718, 1112, 1390, 1436, 1795, 2224, 2780, 2872, 3590, 4448, 5560, 5744, 7180, 8896, 11120, 11488, 14360, 22240, 22976, 28720, 44480, 49901, 57440, 99802, 114880, 199604, 249505, 399208, 499010, 798416, 998020, 1596832, 1996040, 3193664, 3992080, 7984160, 15968320]

約数ペア:

[(1, 15968320), (2, 7984160), (4, 3992080), (5, 3193664), (8, 1996040), (10, 1596832), (16, 998020), (20, 798416), (32, 499010), (40, 399208), (64, 249505), (80, 199604), (139, 114880), (160, 99802), (278, 57440), (320, 49901), (359, 44480), (556, 28720), (695, 22976), (718, 22240), (1112, 14360), (1390, 11488), (1436, 11120), (1795, 8896), (2224, 7180), (2780, 5744), (2872, 5560), (3590, 4448)]