81645150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{137}}^2$

素因数の和:318

約数の個数: 72

約数和(自身を含む): 211002120

約数和(自身を除く): 129356970

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 137, 145, 150, 174, 274, 290, 411, 435, 685, 725, 822, 870, 1370, 1450, 2055, 2175, 3425, 3973, 4110, 4350, 6850, 7946, 10275, 11919, 18769, 19865, 20550, 23838, 37538, 39730, 56307, 59595, 93845, 99325, 112614, 119190, 187690, 198650, 281535, 297975, 469225, 544301, 563070, 595950, 938450, 1088602, 1407675, 1632903, 2721505, 2815350, 3265806, 5443010, 8164515, 13607525, 16329030, 27215050, 40822575, 81645150]

約数ペア:

[(1, 81645150), (2, 40822575), (3, 27215050), (5, 16329030), (6, 13607525), (10, 8164515), (15, 5443010), (25, 3265806), (29, 2815350), (30, 2721505), (50, 1632903), (58, 1407675), (75, 1088602), (87, 938450), (137, 595950), (145, 563070), (150, 544301), (174, 469225), (274, 297975), (290, 281535), (411, 198650), (435, 187690), (685, 119190), (725, 112614), (822, 99325), (870, 93845), (1370, 59595), (1450, 56307), (2055, 39730), (2175, 37538), (3425, 23838), (3973, 20550), (4110, 19865), (4350, 18769), (6850, 11919), (7946, 10275)]