1320245628

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{445427}}^1$

素因数の和:445466

約数の個数: 48

約数和(自身を含む): 3492155520

約数和(自身を除く): 2171909892

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 445427, 890854, 1336281, 1781708, 2672562, 5345124, 5790551, 8463113, 11581102, 16926226, 17371653, 23162204, 25389339, 33852452, 34743306, 50778678, 69486612, 101557356, 110020469, 220040938, 330061407, 440081876, 660122814, 1320245628]

約数ペア:

[(1, 1320245628), (2, 660122814), (3, 440081876), (4, 330061407), (6, 220040938), (12, 110020469), (13, 101557356), (19, 69486612), (26, 50778678), (38, 34743306), (39, 33852452), (52, 25389339), (57, 23162204), (76, 17371653), (78, 16926226), (114, 11581102), (156, 8463113), (228, 5790551), (247, 5345124), (494, 2672562), (741, 1781708), (988, 1336281), (1482, 890854), (2964, 445427)]