213481020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{18061}}^1$

素因数の和:18270

約数の個数: 48

約数和(自身を含む): 600814368

約数和(自身を除く): 387333348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2955, 3940, 5910, 11820, 18061, 36122, 54183, 72244, 90305, 108366, 180610, 216732, 270915, 361220, 541830, 1083660, 3558017, 7116034, 10674051, 14232068, 17790085, 21348102, 35580170, 42696204, 53370255, 71160340, 106740510, 213481020]

約数ペア:

[(1, 213481020), (2, 106740510), (3, 71160340), (4, 53370255), (5, 42696204), (6, 35580170), (10, 21348102), (12, 17790085), (15, 14232068), (20, 10674051), (30, 7116034), (60, 3558017), (197, 1083660), (394, 541830), (591, 361220), (788, 270915), (985, 216732), (1182, 180610), (1970, 108366), (2364, 90305), (2955, 72244), (3940, 54183), (5910, 36122), (11820, 18061)]