68085780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162109}}^1$

素因数の和:162128

約数の個数: 48

約数和(自身を含む): 217875840

約数和(自身を除く): 149790060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 162109, 324218, 486327, 648436, 810545, 972654, 1134763, 1621090, 1945308, 2269526, 2431635, 3242180, 3404289, 4539052, 4863270, 5673815, 6808578, 9726540, 11347630, 13617156, 17021445, 22695260, 34042890, 68085780]

約数ペア:

[(1, 68085780), (2, 34042890), (3, 22695260), (4, 17021445), (5, 13617156), (6, 11347630), (7, 9726540), (10, 6808578), (12, 5673815), (14, 4863270), (15, 4539052), (20, 3404289), (21, 3242180), (28, 2431635), (30, 2269526), (35, 1945308), (42, 1621090), (60, 1134763), (70, 972654), (84, 810545), (105, 648436), (140, 486327), (210, 324218), (420, 162109)]