640641312

素因数分解:

$2^5\times 3^5\times {\mathrm{82387}}^1$

素因数の和:82412

約数の個数: 72

約数和(自身を含む): 1889321616

約数和(自身を除く): 1248680304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 288, 324, 432, 486, 648, 864, 972, 1296, 1944, 2592, 3888, 7776, 82387, 164774, 247161, 329548, 494322, 659096, 741483, 988644, 1318192, 1482966, 1977288, 2224449, 2636384, 2965932, 3954576, 4448898, 5931864, 6673347, 7909152, 8897796, 11863728, 13346694, 17795592, 20020041, 23727456, 26693388, 35591184, 40040082, 53386776, 71182368, 80080164, 106773552, 160160328, 213547104, 320320656, 640641312]

約数ペア:

[(1, 640641312), (2, 320320656), (3, 213547104), (4, 160160328), (6, 106773552), (8, 80080164), (9, 71182368), (12, 53386776), (16, 40040082), (18, 35591184), (24, 26693388), (27, 23727456), (32, 20020041), (36, 17795592), (48, 13346694), (54, 11863728), (72, 8897796), (81, 7909152), (96, 6673347), (108, 5931864), (144, 4448898), (162, 3954576), (216, 2965932), (243, 2636384), (288, 2224449), (324, 1977288), (432, 1482966), (486, 1318192), (648, 988644), (864, 741483), (972, 659096), (1296, 494322), (1944, 329548), (2592, 247161), (3888, 164774), (7776, 82387)]