2660625

素因数分解:

$3^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:80

約数の個数: 60

約数和(自身を含む): 5360784

約数和(自身を除く): 2700159

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 43, 45, 55, 75, 99, 125, 129, 165, 215, 225, 275, 375, 387, 473, 495, 625, 645, 825, 1075, 1125, 1375, 1419, 1875, 1935, 2365, 2475, 3225, 4125, 4257, 5375, 5625, 6875, 7095, 9675, 11825, 12375, 16125, 20625, 21285, 26875, 35475, 48375, 59125, 61875, 80625, 106425, 177375, 241875, 295625, 532125, 886875, 2660625]

約数ペア:

[(1, 2660625), (3, 886875), (5, 532125), (9, 295625), (11, 241875), (15, 177375), (25, 106425), (33, 80625), (43, 61875), (45, 59125), (55, 48375), (75, 35475), (99, 26875), (125, 21285), (129, 20625), (165, 16125), (215, 12375), (225, 11825), (275, 9675), (375, 7095), (387, 6875), (473, 5625), (495, 5375), (625, 4257), (645, 4125), (825, 3225), (1075, 2475), (1125, 2365), (1375, 1935), (1419, 1875)]