129854080

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1481}}^1$

素因数の和:1637

約数の個数: 64

約数和(自身を含む): 312909480

約数和(自身を除く): 183055400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 548, 640, 685, 1096, 1370, 1481, 2192, 2740, 2962, 4384, 5480, 5924, 7405, 8768, 10960, 11848, 14810, 17536, 21920, 23696, 29620, 43840, 47392, 59240, 87680, 94784, 118480, 189568, 202897, 236960, 405794, 473920, 811588, 947840, 1014485, 1623176, 2028970, 3246352, 4057940, 6492704, 8115880, 12985408, 16231760, 25970816, 32463520, 64927040, 129854080]

約数ペア:

[(1, 129854080), (2, 64927040), (4, 32463520), (5, 25970816), (8, 16231760), (10, 12985408), (16, 8115880), (20, 6492704), (32, 4057940), (40, 3246352), (64, 2028970), (80, 1623176), (128, 1014485), (137, 947840), (160, 811588), (274, 473920), (320, 405794), (548, 236960), (640, 202897), (685, 189568), (1096, 118480), (1370, 94784), (1481, 87680), (2192, 59240), (2740, 47392), (2962, 43840), (4384, 29620), (5480, 23696), (5924, 21920), (7405, 17536), (8768, 14810), (10960, 11848)]