81080960

素因数分解:

$2^7\times 5^1\times {\mathrm{151}}^1\times {\mathrm{839}}^1$

素因数の和:1009

約数の個数: 64

約数和(自身を含む): 195350400

約数和(自身を除く): 114269440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 302, 320, 604, 640, 755, 839, 1208, 1510, 1678, 2416, 3020, 3356, 4195, 4832, 6040, 6712, 8390, 9664, 12080, 13424, 16780, 19328, 24160, 26848, 33560, 48320, 53696, 67120, 96640, 107392, 126689, 134240, 253378, 268480, 506756, 536960, 633445, 1013512, 1266890, 2027024, 2533780, 4054048, 5067560, 8108096, 10135120, 16216192, 20270240, 40540480, 81080960]

約数ペア:

[(1, 81080960), (2, 40540480), (4, 20270240), (5, 16216192), (8, 10135120), (10, 8108096), (16, 5067560), (20, 4054048), (32, 2533780), (40, 2027024), (64, 1266890), (80, 1013512), (128, 633445), (151, 536960), (160, 506756), (302, 268480), (320, 253378), (604, 134240), (640, 126689), (755, 107392), (839, 96640), (1208, 67120), (1510, 53696), (1678, 48320), (2416, 33560), (3020, 26848), (3356, 24160), (4195, 19328), (4832, 16780), (6040, 13424), (6712, 12080), (8390, 9664)]