1788640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1597}}^1$

素因数の和:1619

約数の個数: 48

約数和(自身を含む): 4832352

約数和(自身を除く): 3043712

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, 1120, 1597, 3194, 6388, 7985, 11179, 12776, 15970, 22358, 25552, 31940, 44716, 51104, 55895, 63880, 89432, 111790, 127760, 178864, 223580, 255520, 357728, 447160, 894320, 1788640]

約数ペア:

[(1, 1788640), (2, 894320), (4, 447160), (5, 357728), (7, 255520), (8, 223580), (10, 178864), (14, 127760), (16, 111790), (20, 89432), (28, 63880), (32, 55895), (35, 51104), (40, 44716), (56, 31940), (70, 25552), (80, 22358), (112, 15970), (140, 12776), (160, 11179), (224, 7985), (280, 6388), (560, 3194), (1120, 1597)]