320321456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11579}}^1$

素因数の和:11626

約数の個数: 80

約数和(自身を含む): 804115200

約数和(自身を除く): 483793744

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1456, 1729, 1976, 2128, 3458, 3952, 6916, 11579, 13832, 23158, 27664, 46316, 81053, 92632, 150527, 162106, 185264, 220001, 301054, 324212, 440002, 602108, 648424, 880004, 1053689, 1204216, 1296848, 1540007, 1760008, 2107378, 2408432, 2860013, 3080014, 3520016, 4214756, 5720026, 6160028, 8429512, 11440052, 12320056, 16859024, 20020091, 22880104, 24640112, 40040182, 45760208, 80080364, 160160728, 320321456]

約数ペア:

[(1, 320321456), (2, 160160728), (4, 80080364), (7, 45760208), (8, 40040182), (13, 24640112), (14, 22880104), (16, 20020091), (19, 16859024), (26, 12320056), (28, 11440052), (38, 8429512), (52, 6160028), (56, 5720026), (76, 4214756), (91, 3520016), (104, 3080014), (112, 2860013), (133, 2408432), (152, 2107378), (182, 1760008), (208, 1540007), (247, 1296848), (266, 1204216), (304, 1053689), (364, 880004), (494, 648424), (532, 602108), (728, 440002), (988, 324212), (1064, 301054), (1456, 220001), (1729, 185264), (1976, 162106), (2128, 150527), (3458, 92632), (3952, 81053), (6916, 46316), (11579, 27664), (13832, 23158)]