128158520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{9341}}^1$

素因数の和:9373

約数の個数: 64

約数和(自身を含む): 336312000

約数和(自身を除く): 208153480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 9341, 13720, 18682, 37364, 46705, 65387, 74728, 93410, 130774, 186820, 261548, 326935, 373640, 457709, 523096, 653870, 915418, 1307740, 1830836, 2288545, 2615480, 3203963, 3661672, 4577090, 6407926, 9154180, 12815852, 16019815, 18308360, 25631704, 32039630, 64079260, 128158520]

約数ペア:

[(1, 128158520), (2, 64079260), (4, 32039630), (5, 25631704), (7, 18308360), (8, 16019815), (10, 12815852), (14, 9154180), (20, 6407926), (28, 4577090), (35, 3661672), (40, 3203963), (49, 2615480), (56, 2288545), (70, 1830836), (98, 1307740), (140, 915418), (196, 653870), (245, 523096), (280, 457709), (343, 373640), (392, 326935), (490, 261548), (686, 186820), (980, 130774), (1372, 93410), (1715, 74728), (1960, 65387), (2744, 46705), (3430, 37364), (6860, 18682), (9341, 13720)]