171326480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{641}}^1$

素因数の和:924

約数の個数: 80

約数和(自身を含む): 431316144

約数和(自身を除く): 259989664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 257, 260, 514, 520, 641, 1028, 1040, 1282, 1285, 2056, 2564, 2570, 3205, 3341, 4112, 5128, 5140, 6410, 6682, 8333, 10256, 10280, 12820, 13364, 16666, 16705, 20560, 25640, 26728, 33332, 33410, 41665, 51280, 53456, 66664, 66820, 83330, 133328, 133640, 164737, 166660, 267280, 329474, 333320, 658948, 666640, 823685, 1317896, 1647370, 2141581, 2635792, 3294740, 4283162, 6589480, 8566324, 10707905, 13178960, 17132648, 21415810, 34265296, 42831620, 85663240, 171326480]

約数ペア:

[(1, 171326480), (2, 85663240), (4, 42831620), (5, 34265296), (8, 21415810), (10, 17132648), (13, 13178960), (16, 10707905), (20, 8566324), (26, 6589480), (40, 4283162), (52, 3294740), (65, 2635792), (80, 2141581), (104, 1647370), (130, 1317896), (208, 823685), (257, 666640), (260, 658948), (514, 333320), (520, 329474), (641, 267280), (1028, 166660), (1040, 164737), (1282, 133640), (1285, 133328), (2056, 83330), (2564, 66820), (2570, 66664), (3205, 53456), (3341, 51280), (4112, 41665), (5128, 33410), (5140, 33332), (6410, 26728), (6682, 25640), (8333, 20560), (10256, 16705), (10280, 16666), (12820, 13364)]