180109728

素因数分解:

$2^5\times 3^2\times {\mathrm{431}}^1\times {\mathrm{1451}}^1$

素因数の和:1898

約数の個数: 72

約数和(自身を含む): 513729216

約数和(自身を除く): 333619488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 431, 862, 1293, 1451, 1724, 2586, 2902, 3448, 3879, 4353, 5172, 5804, 6896, 7758, 8706, 10344, 11608, 13059, 13792, 15516, 17412, 20688, 23216, 26118, 31032, 34824, 41376, 46432, 52236, 62064, 69648, 104472, 124128, 139296, 208944, 417888, 625381, 1250762, 1876143, 2501524, 3752286, 5003048, 5628429, 7504572, 10006096, 11256858, 15009144, 20012192, 22513716, 30018288, 45027432, 60036576, 90054864, 180109728]

約数ペア:

[(1, 180109728), (2, 90054864), (3, 60036576), (4, 45027432), (6, 30018288), (8, 22513716), (9, 20012192), (12, 15009144), (16, 11256858), (18, 10006096), (24, 7504572), (32, 5628429), (36, 5003048), (48, 3752286), (72, 2501524), (96, 1876143), (144, 1250762), (288, 625381), (431, 417888), (862, 208944), (1293, 139296), (1451, 124128), (1724, 104472), (2586, 69648), (2902, 62064), (3448, 52236), (3879, 46432), (4353, 41376), (5172, 34824), (5804, 31032), (6896, 26118), (7758, 23216), (8706, 20688), (10344, 17412), (11608, 15516), (13059, 13792)]