861280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{769}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 2328480

約数和(自身を除く): 1467200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 769, 1120, 1538, 3076, 3845, 5383, 6152, 7690, 10766, 12304, 15380, 21532, 24608, 26915, 30760, 43064, 53830, 61520, 86128, 107660, 123040, 172256, 215320, 430640, 861280]

約数ペア:

[(1, 861280), (2, 430640), (4, 215320), (5, 172256), (7, 123040), (8, 107660), (10, 86128), (14, 61520), (16, 53830), (20, 43064), (28, 30760), (32, 26915), (35, 24608), (40, 21532), (56, 15380), (70, 12304), (80, 10766), (112, 7690), (140, 6152), (160, 5383), (224, 3845), (280, 3076), (560, 1538), (769, 1120)]