7776161920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{639487}}^1$

素因数の和:639525

約数の個数: 64

約数和(自身を含む): 19568332800

約数和(自身を除く): 11792170880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 639487, 1278974, 2557948, 3197435, 5115896, 6394870, 10231792, 12150253, 12789740, 20463584, 24300506, 25579480, 40927168, 48601012, 51158960, 60751265, 81854336, 97202024, 102317920, 121502530, 194404048, 204635840, 243005060, 388808096, 409271680, 486010120, 777616192, 972020240, 1555232384, 1944040480, 3888080960, 7776161920]

約数ペア:

[(1, 7776161920), (2, 3888080960), (4, 1944040480), (5, 1555232384), (8, 972020240), (10, 777616192), (16, 486010120), (19, 409271680), (20, 388808096), (32, 243005060), (38, 204635840), (40, 194404048), (64, 121502530), (76, 102317920), (80, 97202024), (95, 81854336), (128, 60751265), (152, 51158960), (160, 48601012), (190, 40927168), (304, 25579480), (320, 24300506), (380, 20463584), (608, 12789740), (640, 12150253), (760, 10231792), (1216, 6394870), (1520, 5115896), (2432, 3197435), (3040, 2557948), (6080, 1278974), (12160, 639487)]