57557640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{68521}}^1$

素因数の和:68542

約数の個数: 64

約数和(自身を含む): 197343360

約数和(自身を除く): 139785720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 68521, 137042, 205563, 274084, 342605, 411126, 479647, 548168, 685210, 822252, 959294, 1027815, 1370420, 1438941, 1644504, 1918588, 2055630, 2398235, 2740840, 2877882, 3837176, 4111260, 4796470, 5755764, 7194705, 8222520, 9592940, 11511528, 14389410, 19185880, 28778820, 57557640]

約数ペア:

[(1, 57557640), (2, 28778820), (3, 19185880), (4, 14389410), (5, 11511528), (6, 9592940), (7, 8222520), (8, 7194705), (10, 5755764), (12, 4796470), (14, 4111260), (15, 3837176), (20, 2877882), (21, 2740840), (24, 2398235), (28, 2055630), (30, 1918588), (35, 1644504), (40, 1438941), (42, 1370420), (56, 1027815), (60, 959294), (70, 822252), (84, 685210), (105, 548168), (120, 479647), (140, 411126), (168, 342605), (210, 274084), (280, 205563), (420, 137042), (840, 68521)]