340480

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:49

約数の個数: 80

約数和(自身を含む): 982080

約数和(自身を除く): 641600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 512, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1280, 1330, 1520, 1792, 2128, 2240, 2432, 2560, 2660, 3040, 3584, 4256, 4480, 4864, 5320, 6080, 8512, 8960, 9728, 10640, 12160, 17024, 17920, 21280, 24320, 34048, 42560, 48640, 68096, 85120, 170240, 340480]

約数ペア:

[(1, 340480), (2, 170240), (4, 85120), (5, 68096), (7, 48640), (8, 42560), (10, 34048), (14, 24320), (16, 21280), (19, 17920), (20, 17024), (28, 12160), (32, 10640), (35, 9728), (38, 8960), (40, 8512), (56, 6080), (64, 5320), (70, 4864), (76, 4480), (80, 4256), (95, 3584), (112, 3040), (128, 2660), (133, 2560), (140, 2432), (152, 2240), (160, 2128), (190, 1792), (224, 1520), (256, 1330), (266, 1280), (280, 1216), (304, 1120), (320, 1064), (380, 896), (448, 760), (512, 665), (532, 640), (560, 608)]