157215728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1122

約数の個数: 80

約数和(自身を含む): 351540000

約数和(自身を除く): 194324272

約数列:

[1, 2, 4, 8, 16, 17, 19, 29, 34, 38, 58, 68, 76, 116, 136, 152, 232, 272, 304, 323, 464, 493, 551, 646, 986, 1049, 1102, 1292, 1972, 2098, 2204, 2584, 3944, 4196, 4408, 5168, 7888, 8392, 8816, 9367, 16784, 17833, 18734, 19931, 30421, 35666, 37468, 39862, 60842, 71332, 74936, 79724, 121684, 142664, 149872, 159448, 243368, 285328, 318896, 338827, 486736, 517157, 577999, 677654, 1034314, 1155998, 1355308, 2068628, 2311996, 2710616, 4137256, 4623992, 5421232, 8274512, 9247984, 9825983, 19651966, 39303932, 78607864, 157215728]

約数ペア:

[(1, 157215728), (2, 78607864), (4, 39303932), (8, 19651966), (16, 9825983), (17, 9247984), (19, 8274512), (29, 5421232), (34, 4623992), (38, 4137256), (58, 2710616), (68, 2311996), (76, 2068628), (116, 1355308), (136, 1155998), (152, 1034314), (232, 677654), (272, 577999), (304, 517157), (323, 486736), (464, 338827), (493, 318896), (551, 285328), (646, 243368), (986, 159448), (1049, 149872), (1102, 142664), (1292, 121684), (1972, 79724), (2098, 74936), (2204, 71332), (2584, 60842), (3944, 39862), (4196, 37468), (4408, 35666), (5168, 30421), (7888, 19931), (8392, 18734), (8816, 17833), (9367, 16784)]