258952560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5477}}^1$

素因数の和:5690

約数の個数: 80

約数和(自身を含む): 806975136

約数和(自身を除く): 548022576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3152, 3940, 4728, 5477, 5910, 7880, 9456, 10954, 11820, 15760, 16431, 21908, 23640, 27385, 32862, 43816, 47280, 54770, 65724, 82155, 87632, 109540, 131448, 164310, 219080, 262896, 328620, 438160, 657240, 1078969, 1314480, 2157938, 3236907, 4315876, 5394845, 6473814, 8631752, 10789690, 12947628, 16184535, 17263504, 21579380, 25895256, 32369070, 43158760, 51790512, 64738140, 86317520, 129476280, 258952560]

約数ペア:

[(1, 258952560), (2, 129476280), (3, 86317520), (4, 64738140), (5, 51790512), (6, 43158760), (8, 32369070), (10, 25895256), (12, 21579380), (15, 17263504), (16, 16184535), (20, 12947628), (24, 10789690), (30, 8631752), (40, 6473814), (48, 5394845), (60, 4315876), (80, 3236907), (120, 2157938), (197, 1314480), (240, 1078969), (394, 657240), (591, 438160), (788, 328620), (985, 262896), (1182, 219080), (1576, 164310), (1970, 131448), (2364, 109540), (2955, 87632), (3152, 82155), (3940, 65724), (4728, 54770), (5477, 47280), (5910, 43816), (7880, 32862), (9456, 27385), (10954, 23640), (11820, 21908), (15760, 16431)]