206513160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{245849}}^1$

素因数の和:245870

約数の個数: 64

約数和(自身を含む): 708048000

約数和(自身を除く): 501534840

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, 245849, 491698, 737547, 983396, 1229245, 1475094, 1720943, 1966792, 2458490, 2950188, 3441886, 3687735, 4916980, 5162829, 5900376, 6883772, 7375470, 8604715, 9833960, 10325658, 13767544, 14750940, 17209430, 20651316, 25814145, 29501880, 34418860, 41302632, 51628290, 68837720, 103256580, 206513160]

約数ペア:

[(1, 206513160), (2, 103256580), (3, 68837720), (4, 51628290), (5, 41302632), (6, 34418860), (7, 29501880), (8, 25814145), (10, 20651316), (12, 17209430), (14, 14750940), (15, 13767544), (20, 10325658), (21, 9833960), (24, 8604715), (28, 7375470), (30, 6883772), (35, 5900376), (40, 5162829), (42, 4916980), (56, 3687735), (60, 3441886), (70, 2950188), (84, 2458490), (105, 1966792), (120, 1720943), (140, 1475094), (168, 1229245), (210, 983396), (280, 737547), (420, 491698), (840, 245849)]