161643160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{82471}}^1$

素因数の和:82496

約数の個数: 48

約数和(自身を含む): 423081360

約数和(自身を除く): 261438200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 82471, 164942, 329884, 412355, 577297, 659768, 824710, 1154594, 1649420, 2309188, 2886485, 3298840, 4041079, 4618376, 5772970, 8082158, 11545940, 16164316, 20205395, 23091880, 32328632, 40410790, 80821580, 161643160]

約数ペア:

[(1, 161643160), (2, 80821580), (4, 40410790), (5, 32328632), (7, 23091880), (8, 20205395), (10, 16164316), (14, 11545940), (20, 8082158), (28, 5772970), (35, 4618376), (40, 4041079), (49, 3298840), (56, 2886485), (70, 2309188), (98, 1649420), (140, 1154594), (196, 824710), (245, 659768), (280, 577297), (392, 412355), (490, 329884), (980, 164942), (1960, 82471)]