2565750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 7008768

約数和(自身を除く): 4443018

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 125, 150, 165, 250, 275, 311, 330, 375, 550, 622, 750, 825, 933, 1375, 1555, 1650, 1866, 2750, 3110, 3421, 4125, 4665, 6842, 7775, 8250, 9330, 10263, 15550, 17105, 20526, 23325, 34210, 38875, 46650, 51315, 77750, 85525, 102630, 116625, 171050, 233250, 256575, 427625, 513150, 855250, 1282875, 2565750]

約数ペア:

[(1, 2565750), (2, 1282875), (3, 855250), (5, 513150), (6, 427625), (10, 256575), (11, 233250), (15, 171050), (22, 116625), (25, 102630), (30, 85525), (33, 77750), (50, 51315), (55, 46650), (66, 38875), (75, 34210), (110, 23325), (125, 20526), (150, 17105), (165, 15550), (250, 10263), (275, 9330), (311, 8250), (330, 7775), (375, 6842), (550, 4665), (622, 4125), (750, 3421), (825, 3110), (933, 2750), (1375, 1866), (1555, 1650)]