131689760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43319}}^1$

素因数の和:43353

約数の個数: 48

約数和(自身を含む): 327499200

約数和(自身を除く): 195809440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 43319, 86638, 173276, 216595, 346552, 433190, 693104, 823061, 866380, 1386208, 1646122, 1732760, 3292244, 3465520, 4115305, 6584488, 6931040, 8230610, 13168976, 16461220, 26337952, 32922440, 65844880, 131689760]

約数ペア:

[(1, 131689760), (2, 65844880), (4, 32922440), (5, 26337952), (8, 16461220), (10, 13168976), (16, 8230610), (19, 6931040), (20, 6584488), (32, 4115305), (38, 3465520), (40, 3292244), (76, 1732760), (80, 1646122), (95, 1386208), (152, 866380), (160, 823061), (190, 693104), (304, 433190), (380, 346552), (608, 216595), (760, 173276), (1520, 86638), (3040, 43319)]