1681528960

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{13337}}^1$

素因数の和:13553

約数の個数: 64

約数和(自身を含む): 4040613720

約数和(自身を除く): 2359084760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 640, 788, 985, 1576, 1970, 3152, 3940, 6304, 7880, 12608, 13337, 15760, 25216, 26674, 31520, 53348, 63040, 66685, 106696, 126080, 133370, 213392, 266740, 426784, 533480, 853568, 1066960, 1707136, 2133920, 2627389, 4267840, 5254778, 8535680, 10509556, 13136945, 21019112, 26273890, 42038224, 52547780, 84076448, 105095560, 168152896, 210191120, 336305792, 420382240, 840764480, 1681528960]

約数ペア:

[(1, 1681528960), (2, 840764480), (4, 420382240), (5, 336305792), (8, 210191120), (10, 168152896), (16, 105095560), (20, 84076448), (32, 52547780), (40, 42038224), (64, 26273890), (80, 21019112), (128, 13136945), (160, 10509556), (197, 8535680), (320, 5254778), (394, 4267840), (640, 2627389), (788, 2133920), (985, 1707136), (1576, 1066960), (1970, 853568), (3152, 533480), (3940, 426784), (6304, 266740), (7880, 213392), (12608, 133370), (13337, 126080), (15760, 106696), (25216, 66685), (26674, 63040), (31520, 53348)]