1320342352

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{1061}}^1$

素因数の和:1388

約数の個数: 80

約数和(自身を含む): 3008807424

約数和(自身を除く): 1688465072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 271, 287, 328, 542, 574, 656, 1061, 1084, 1148, 1897, 2122, 2168, 2296, 3794, 4244, 4336, 4592, 7427, 7588, 8488, 11111, 14854, 15176, 16976, 22222, 29708, 30352, 43501, 44444, 59416, 77777, 87002, 88888, 118832, 155554, 174004, 177776, 287531, 304507, 311108, 348008, 575062, 609014, 622216, 696016, 1150124, 1218028, 1244432, 2012717, 2300248, 2436056, 4025434, 4600496, 4872112, 8050868, 11788771, 16101736, 23577542, 32203472, 47155084, 82521397, 94310168, 165042794, 188620336, 330085588, 660171176, 1320342352]

約数ペア:

[(1, 1320342352), (2, 660171176), (4, 330085588), (7, 188620336), (8, 165042794), (14, 94310168), (16, 82521397), (28, 47155084), (41, 32203472), (56, 23577542), (82, 16101736), (112, 11788771), (164, 8050868), (271, 4872112), (287, 4600496), (328, 4025434), (542, 2436056), (574, 2300248), (656, 2012717), (1061, 1244432), (1084, 1218028), (1148, 1150124), (1897, 696016), (2122, 622216), (2168, 609014), (2296, 575062), (3794, 348008), (4244, 311108), (4336, 304507), (4592, 287531), (7427, 177776), (7588, 174004), (8488, 155554), (11111, 118832), (14854, 88888), (15176, 87002), (16976, 77777), (22222, 59416), (29708, 44444), (30352, 43501)]