68201840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121789}}^1$

素因数の和:121809

約数の個数: 40

約数和(自身を含む): 181223520

約数和(自身を除く): 113021680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121789, 243578, 487156, 608945, 852523, 974312, 1217890, 1705046, 1948624, 2435780, 3410092, 4262615, 4871560, 6820184, 8525230, 9743120, 13640368, 17050460, 34100920, 68201840]

約数ペア:

[(1, 68201840), (2, 34100920), (4, 17050460), (5, 13640368), (7, 9743120), (8, 8525230), (10, 6820184), (14, 4871560), (16, 4262615), (20, 3410092), (28, 2435780), (35, 1948624), (40, 1705046), (56, 1217890), (70, 974312), (80, 852523), (112, 608945), (140, 487156), (280, 243578), (560, 121789)]