128828360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{503}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 306633600

約数和(自身を除く): 177805240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 337, 380, 503, 674, 760, 1006, 1348, 1685, 2012, 2515, 2696, 3370, 4024, 5030, 6403, 6740, 9557, 10060, 12806, 13480, 19114, 20120, 25612, 32015, 38228, 47785, 51224, 64030, 76456, 95570, 128060, 169511, 191140, 256120, 339022, 382280, 678044, 847555, 1356088, 1695110, 3220709, 3390220, 6441418, 6780440, 12882836, 16103545, 25765672, 32207090, 64414180, 128828360]

約数ペア:

[(1, 128828360), (2, 64414180), (4, 32207090), (5, 25765672), (8, 16103545), (10, 12882836), (19, 6780440), (20, 6441418), (38, 3390220), (40, 3220709), (76, 1695110), (95, 1356088), (152, 847555), (190, 678044), (337, 382280), (380, 339022), (503, 256120), (674, 191140), (760, 169511), (1006, 128060), (1348, 95570), (1685, 76456), (2012, 64030), (2515, 51224), (2696, 47785), (3370, 38228), (4024, 32015), (5030, 25612), (6403, 20120), (6740, 19114), (9557, 13480), (10060, 12806)]