161724920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{577589}}^1$

素因数の和:577607

約数の個数: 32

約数和(自身を含む): 415864800

約数和(自身を除く): 254139880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 577589, 1155178, 2310356, 2887945, 4043123, 4620712, 5775890, 8086246, 11551780, 16172492, 20215615, 23103560, 32344984, 40431230, 80862460, 161724920]

約数ペア:

[(1, 161724920), (2, 80862460), (4, 40431230), (5, 32344984), (7, 23103560), (8, 20215615), (10, 16172492), (14, 11551780), (20, 8086246), (28, 5775890), (35, 4620712), (40, 4043123), (56, 2887945), (70, 2310356), (140, 1155178), (280, 577589)]