138321720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{384227}}^1$

素因数の和:384244

約数の個数: 48

約数和(自身を含む): 449546760

約数和(自身を除く): 311225040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 384227, 768454, 1152681, 1536908, 1921135, 2305362, 3073816, 3458043, 3842270, 4610724, 5763405, 6916086, 7684540, 9221448, 11526810, 13832172, 15369080, 17290215, 23053620, 27664344, 34580430, 46107240, 69160860, 138321720]

約数ペア:

[(1, 138321720), (2, 69160860), (3, 46107240), (4, 34580430), (5, 27664344), (6, 23053620), (8, 17290215), (9, 15369080), (10, 13832172), (12, 11526810), (15, 9221448), (18, 7684540), (20, 6916086), (24, 5763405), (30, 4610724), (36, 3842270), (40, 3458043), (45, 3073816), (60, 2305362), (72, 1921135), (90, 1536908), (120, 1152681), (180, 768454), (360, 384227)]