66549480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{839}}^1$

素因数の和:1514

約数の個数: 64

約数和(自身を含む): 200188800

約数和(自身を除く): 133639320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 661, 839, 1322, 1678, 1983, 2517, 2644, 3305, 3356, 3966, 4195, 5034, 5288, 6610, 6712, 7932, 8390, 9915, 10068, 12585, 13220, 15864, 16780, 19830, 20136, 25170, 26440, 33560, 39660, 50340, 79320, 100680, 554579, 1109158, 1663737, 2218316, 2772895, 3327474, 4436632, 5545790, 6654948, 8318685, 11091580, 13309896, 16637370, 22183160, 33274740, 66549480]

約数ペア:

[(1, 66549480), (2, 33274740), (3, 22183160), (4, 16637370), (5, 13309896), (6, 11091580), (8, 8318685), (10, 6654948), (12, 5545790), (15, 4436632), (20, 3327474), (24, 2772895), (30, 2218316), (40, 1663737), (60, 1109158), (120, 554579), (661, 100680), (839, 79320), (1322, 50340), (1678, 39660), (1983, 33560), (2517, 26440), (2644, 25170), (3305, 20136), (3356, 19830), (3966, 16780), (4195, 15864), (5034, 13220), (5288, 12585), (6610, 10068), (6712, 9915), (7932, 8390)]