709120

素因数分解:

$2^9\times 5^1\times {\mathrm{277}}^1$

素因数の和:300

約数の個数: 40

約数和(自身を含む): 1706364

約数和(自身を除く): 997244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 277, 320, 512, 554, 640, 1108, 1280, 1385, 2216, 2560, 2770, 4432, 5540, 8864, 11080, 17728, 22160, 35456, 44320, 70912, 88640, 141824, 177280, 354560, 709120]

約数ペア:

[(1, 709120), (2, 354560), (4, 177280), (5, 141824), (8, 88640), (10, 70912), (16, 44320), (20, 35456), (32, 22160), (40, 17728), (64, 11080), (80, 8864), (128, 5540), (160, 4432), (256, 2770), (277, 2560), (320, 2216), (512, 1385), (554, 1280), (640, 1108)]