1222585840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2183189}}^1$

素因数の和:2183209

約数の個数: 40

約数和(自身を含む): 3248586720

約数和(自身を除く): 2026000880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2183189, 4366378, 8732756, 10915945, 15282323, 17465512, 21831890, 30564646, 34931024, 43663780, 61129292, 76411615, 87327560, 122258584, 152823230, 174655120, 244517168, 305646460, 611292920, 1222585840]

約数ペア:

[(1, 1222585840), (2, 611292920), (4, 305646460), (5, 244517168), (7, 174655120), (8, 152823230), (10, 122258584), (14, 87327560), (16, 76411615), (20, 61129292), (28, 43663780), (35, 34931024), (40, 30564646), (56, 21831890), (70, 17465512), (80, 15282323), (112, 10915945), (140, 8732756), (280, 4366378), (560, 2183189)]