72105520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 173703168

約数和(自身を除く): 101597648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 127, 151, 188, 235, 254, 302, 376, 470, 508, 604, 635, 752, 755, 940, 1016, 1208, 1270, 1510, 1880, 2032, 2416, 2540, 3020, 3760, 5080, 5969, 6040, 7097, 10160, 11938, 12080, 14194, 19177, 23876, 28388, 29845, 35485, 38354, 47752, 56776, 59690, 70970, 76708, 95504, 95885, 113552, 119380, 141940, 153416, 191770, 238760, 283880, 306832, 383540, 477520, 567760, 767080, 901319, 1534160, 1802638, 3605276, 4506595, 7210552, 9013190, 14421104, 18026380, 36052760, 72105520]

約数ペア:

[(1, 72105520), (2, 36052760), (4, 18026380), (5, 14421104), (8, 9013190), (10, 7210552), (16, 4506595), (20, 3605276), (40, 1802638), (47, 1534160), (80, 901319), (94, 767080), (127, 567760), (151, 477520), (188, 383540), (235, 306832), (254, 283880), (302, 238760), (376, 191770), (470, 153416), (508, 141940), (604, 119380), (635, 113552), (752, 95885), (755, 95504), (940, 76708), (1016, 70970), (1208, 59690), (1270, 56776), (1510, 47752), (1880, 38354), (2032, 35485), (2416, 29845), (2540, 28388), (3020, 23876), (3760, 19177), (5080, 14194), (5969, 12080), (6040, 11938), (7097, 10160)]