67431980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43787}}^1$

素因数の和:43814

約数の個数: 48

約数和(自身を含む): 176553216

約数和(自身を除く): 109121236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 43787, 87574, 175148, 218935, 306509, 437870, 481657, 613018, 875740, 963314, 1226036, 1532545, 1926628, 2408285, 3065090, 3371599, 4816570, 6130180, 6743198, 9633140, 13486396, 16857995, 33715990, 67431980]

約数ペア:

[(1, 67431980), (2, 33715990), (4, 16857995), (5, 13486396), (7, 9633140), (10, 6743198), (11, 6130180), (14, 4816570), (20, 3371599), (22, 3065090), (28, 2408285), (35, 1926628), (44, 1532545), (55, 1226036), (70, 963314), (77, 875740), (110, 613018), (140, 481657), (154, 437870), (220, 306509), (308, 218935), (385, 175148), (770, 87574), (1540, 43787)]