53731020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{127931}}^1$

素因数の和:127950

約数の個数: 48

約数和(自身を含む): 171940608

約数和(自身を除く): 118209588

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, 127931, 255862, 383793, 511724, 639655, 767586, 895517, 1279310, 1535172, 1791034, 1918965, 2558620, 2686551, 3582068, 3837930, 4477585, 5373102, 7675860, 8955170, 10746204, 13432755, 17910340, 26865510, 53731020]

約数ペア:

[(1, 53731020), (2, 26865510), (3, 17910340), (4, 13432755), (5, 10746204), (6, 8955170), (7, 7675860), (10, 5373102), (12, 4477585), (14, 3837930), (15, 3582068), (20, 2686551), (21, 2558620), (28, 1918965), (30, 1791034), (35, 1535172), (42, 1279310), (60, 895517), (70, 767586), (84, 639655), (105, 511724), (140, 383793), (210, 255862), (420, 127931)]