1293376640

素因数分解:

$2^7\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4219}}^1$

素因数の和:4717

約数の個数: 64

約数和(自身を含む): 3099168000

約数和(自身を除く): 1805791360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 479, 640, 958, 1916, 2395, 3832, 4219, 4790, 7664, 8438, 9580, 15328, 16876, 19160, 21095, 30656, 33752, 38320, 42190, 61312, 67504, 76640, 84380, 135008, 153280, 168760, 270016, 306560, 337520, 540032, 675040, 1350080, 2020901, 2700160, 4041802, 8083604, 10104505, 16167208, 20209010, 32334416, 40418020, 64668832, 80836040, 129337664, 161672080, 258675328, 323344160, 646688320, 1293376640]

約数ペア:

[(1, 1293376640), (2, 646688320), (4, 323344160), (5, 258675328), (8, 161672080), (10, 129337664), (16, 80836040), (20, 64668832), (32, 40418020), (40, 32334416), (64, 20209010), (80, 16167208), (128, 10104505), (160, 8083604), (320, 4041802), (479, 2700160), (640, 2020901), (958, 1350080), (1916, 675040), (2395, 540032), (3832, 337520), (4219, 306560), (4790, 270016), (7664, 168760), (8438, 153280), (9580, 135008), (15328, 84380), (16876, 76640), (19160, 67504), (21095, 61312), (30656, 42190), (33752, 38320)]