161964320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{144611}}^1$

素因数の和:144633

約数の個数: 48

約数和(自身を含む): 437306688

約数和(自身を除く): 275342368

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, 144611, 289222, 578444, 723055, 1012277, 1156888, 1446110, 2024554, 2313776, 2892220, 4049108, 4627552, 5061385, 5784440, 8098216, 10122770, 11568880, 16196432, 20245540, 23137760, 32392864, 40491080, 80982160, 161964320]

約数ペア:

[(1, 161964320), (2, 80982160), (4, 40491080), (5, 32392864), (7, 23137760), (8, 20245540), (10, 16196432), (14, 11568880), (16, 10122770), (20, 8098216), (28, 5784440), (32, 5061385), (35, 4627552), (40, 4049108), (56, 2892220), (70, 2313776), (80, 2024554), (112, 1446110), (140, 1156888), (160, 1012277), (224, 723055), (280, 578444), (560, 289222), (1120, 144611)]