321379072

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9439}}^1$

素因数の和:9481

約数の個数: 72

約数和(自身を含む): 771814400

約数和(自身を除く): 450435328

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 4256, 4864, 8512, 9439, 17024, 18878, 34048, 37756, 66073, 75512, 132146, 151024, 179341, 264292, 302048, 358682, 528584, 604096, 717364, 1057168, 1208192, 1255387, 1434728, 2114336, 2416384, 2510774, 2869456, 4228672, 5021548, 5738912, 8457344, 10043096, 11477824, 16914688, 20086192, 22955648, 40172384, 45911296, 80344768, 160689536, 321379072]

約数ペア:

[(1, 321379072), (2, 160689536), (4, 80344768), (7, 45911296), (8, 40172384), (14, 22955648), (16, 20086192), (19, 16914688), (28, 11477824), (32, 10043096), (38, 8457344), (56, 5738912), (64, 5021548), (76, 4228672), (112, 2869456), (128, 2510774), (133, 2416384), (152, 2114336), (224, 1434728), (256, 1255387), (266, 1208192), (304, 1057168), (448, 717364), (532, 604096), (608, 528584), (896, 358682), (1064, 302048), (1216, 264292), (1792, 179341), (2128, 151024), (2432, 132146), (4256, 75512), (4864, 66073), (8512, 37756), (9439, 34048), (17024, 18878)]