15136640

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 36830160

約数和(自身を除く): 21693520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 353, 536, 640, 670, 706, 1072, 1340, 1412, 1765, 2144, 2680, 2824, 3530, 4288, 5360, 5648, 7060, 8576, 10720, 11296, 14120, 21440, 22592, 23651, 28240, 42880, 45184, 47302, 56480, 94604, 112960, 118255, 189208, 225920, 236510, 378416, 473020, 756832, 946040, 1513664, 1892080, 3027328, 3784160, 7568320, 15136640]

約数ペア:

[(1, 15136640), (2, 7568320), (4, 3784160), (5, 3027328), (8, 1892080), (10, 1513664), (16, 946040), (20, 756832), (32, 473020), (40, 378416), (64, 236510), (67, 225920), (80, 189208), (128, 118255), (134, 112960), (160, 94604), (268, 56480), (320, 47302), (335, 45184), (353, 42880), (536, 28240), (640, 23651), (670, 22592), (706, 21440), (1072, 14120), (1340, 11296), (1412, 10720), (1765, 8576), (2144, 7060), (2680, 5648), (2824, 5360), (3530, 4288)]