1821680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3253}}^1$

素因数の和:3273

約数の個数: 40

約数和(自身を含む): 4841952

約数和(自身を除く): 3020272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3253, 6506, 13012, 16265, 22771, 26024, 32530, 45542, 52048, 65060, 91084, 113855, 130120, 182168, 227710, 260240, 364336, 455420, 910840, 1821680]

約数ペア:

[(1, 1821680), (2, 910840), (4, 455420), (5, 364336), (7, 260240), (8, 227710), (10, 182168), (14, 130120), (16, 113855), (20, 91084), (28, 65060), (35, 52048), (40, 45542), (56, 32530), (70, 26024), (80, 22771), (112, 16265), (140, 13012), (280, 6506), (560, 3253)]