66074820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157321}}^1$

素因数の和:157340

約数の個数: 48

約数和(自身を含む): 211440768

約数和(自身を除く): 145365948

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, 157321, 314642, 471963, 629284, 786605, 943926, 1101247, 1573210, 1887852, 2202494, 2359815, 3146420, 3303741, 4404988, 4719630, 5506235, 6607482, 9439260, 11012470, 13214964, 16518705, 22024940, 33037410, 66074820]

約数ペア:

[(1, 66074820), (2, 33037410), (3, 22024940), (4, 16518705), (5, 13214964), (6, 11012470), (7, 9439260), (10, 6607482), (12, 5506235), (14, 4719630), (15, 4404988), (20, 3303741), (21, 3146420), (28, 2359815), (30, 2202494), (35, 1887852), (42, 1573210), (60, 1101247), (70, 943926), (84, 786605), (105, 629284), (140, 471963), (210, 314642), (420, 157321)]