280272795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 522008064

約数和(自身を除く): 241735269

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 163, 165, 187, 255, 489, 561, 613, 815, 935, 1793, 1839, 2445, 2771, 2805, 3065, 5379, 6743, 8313, 8965, 9195, 10421, 13855, 20229, 26895, 30481, 31263, 33715, 41565, 52105, 91443, 99919, 101145, 114631, 152405, 156315, 299757, 343893, 457215, 499595, 573155, 1099109, 1498785, 1698623, 1719465, 3297327, 5095869, 5495545, 8493115, 16486635, 18684853, 25479345, 56054559, 93424265, 280272795]

約数ペア:

[(1, 280272795), (3, 93424265), (5, 56054559), (11, 25479345), (15, 18684853), (17, 16486635), (33, 8493115), (51, 5495545), (55, 5095869), (85, 3297327), (163, 1719465), (165, 1698623), (187, 1498785), (255, 1099109), (489, 573155), (561, 499595), (613, 457215), (815, 343893), (935, 299757), (1793, 156315), (1839, 152405), (2445, 114631), (2771, 101145), (2805, 99919), (3065, 91443), (5379, 52105), (6743, 41565), (8313, 33715), (8965, 31263), (9195, 30481), (10421, 26895), (13855, 20229)]