61781580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{49033}}^1$

素因数の和:49055

約数の個数: 72

約数和(自身を含む): 214180512

約数和(自身を除く): 152398932

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 49033, 98066, 147099, 196132, 245165, 294198, 343231, 441297, 490330, 588396, 686462, 735495, 882594, 980660, 1029693, 1372924, 1470990, 1716155, 1765188, 2059386, 2206485, 2941980, 3089079, 3432310, 4118772, 4412970, 5148465, 6178158, 6864620, 8825940, 10296930, 12356316, 15445395, 20593860, 30890790, 61781580]

約数ペア:

[(1, 61781580), (2, 30890790), (3, 20593860), (4, 15445395), (5, 12356316), (6, 10296930), (7, 8825940), (9, 6864620), (10, 6178158), (12, 5148465), (14, 4412970), (15, 4118772), (18, 3432310), (20, 3089079), (21, 2941980), (28, 2206485), (30, 2059386), (35, 1765188), (36, 1716155), (42, 1470990), (45, 1372924), (60, 1029693), (63, 980660), (70, 882594), (84, 735495), (90, 686462), (105, 588396), (126, 490330), (140, 441297), (180, 343231), (210, 294198), (252, 245165), (315, 196132), (420, 147099), (630, 98066), (1260, 49033)]