131195280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{827}}^1$

素因数の和:1504

約数の個数: 80

約数和(自身を含む): 407813184

約数和(自身を除く): 276617904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 661, 827, 1322, 1654, 1983, 2481, 2644, 3305, 3308, 3966, 4135, 4962, 5288, 6610, 6616, 7932, 8270, 9915, 9924, 10576, 12405, 13220, 13232, 15864, 16540, 19830, 19848, 24810, 26440, 31728, 33080, 39660, 39696, 49620, 52880, 66160, 79320, 99240, 158640, 198480, 546647, 1093294, 1639941, 2186588, 2733235, 3279882, 4373176, 5466470, 6559764, 8199705, 8746352, 10932940, 13119528, 16399410, 21865880, 26239056, 32798820, 43731760, 65597640, 131195280]

約数ペア:

[(1, 131195280), (2, 65597640), (3, 43731760), (4, 32798820), (5, 26239056), (6, 21865880), (8, 16399410), (10, 13119528), (12, 10932940), (15, 8746352), (16, 8199705), (20, 6559764), (24, 5466470), (30, 4373176), (40, 3279882), (48, 2733235), (60, 2186588), (80, 1639941), (120, 1093294), (240, 546647), (661, 198480), (827, 158640), (1322, 99240), (1654, 79320), (1983, 66160), (2481, 52880), (2644, 49620), (3305, 39696), (3308, 39660), (3966, 33080), (4135, 31728), (4962, 26440), (5288, 24810), (6610, 19848), (6616, 19830), (7932, 16540), (8270, 15864), (9915, 13232), (9924, 13220), (10576, 12405)]