120871785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 219843072

約数和(自身を除く): 98971287

約数列:

[1, 3, 5, 15, 17, 23, 37, 51, 69, 85, 111, 115, 185, 255, 345, 391, 555, 557, 629, 851, 1173, 1671, 1887, 1955, 2553, 2785, 3145, 4255, 5865, 8355, 9435, 9469, 12765, 12811, 14467, 20609, 28407, 38433, 43401, 47345, 61827, 64055, 72335, 103045, 142035, 192165, 217005, 217787, 309135, 350353, 474007, 653361, 1051059, 1088935, 1422021, 1751765, 2370035, 3266805, 5255295, 7110105, 8058119, 24174357, 40290595, 120871785]

約数ペア:

[(1, 120871785), (3, 40290595), (5, 24174357), (15, 8058119), (17, 7110105), (23, 5255295), (37, 3266805), (51, 2370035), (69, 1751765), (85, 1422021), (111, 1088935), (115, 1051059), (185, 653361), (255, 474007), (345, 350353), (391, 309135), (555, 217787), (557, 217005), (629, 192165), (851, 142035), (1173, 103045), (1671, 72335), (1887, 64055), (1955, 61827), (2553, 47345), (2785, 43401), (3145, 38433), (4255, 28407), (5865, 20609), (8355, 14467), (9435, 12811), (9469, 12765)]