68654320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{122597}}^1$

素因数の和:122617

約数の個数: 40

約数和(自身を含む): 182425824

約数和(自身を除く): 113771504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 122597, 245194, 490388, 612985, 858179, 980776, 1225970, 1716358, 1961552, 2451940, 3432716, 4290895, 4903880, 6865432, 8581790, 9807760, 13730864, 17163580, 34327160, 68654320]

約数ペア:

[(1, 68654320), (2, 34327160), (4, 17163580), (5, 13730864), (7, 9807760), (8, 8581790), (10, 6865432), (14, 4903880), (16, 4290895), (20, 3432716), (28, 2451940), (35, 1961552), (40, 1716358), (56, 1225970), (70, 980776), (80, 858179), (112, 612985), (140, 490388), (280, 245194), (560, 122597)]