261988160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{116959}}^1$

素因数の和:116983

約数の個数: 56

約数和(自身を含む): 712988160

約数和(自身を除く): 451000000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 116959, 233918, 467836, 584795, 818713, 935672, 1169590, 1637426, 1871344, 2339180, 3274852, 3742688, 4093565, 4678360, 6549704, 7485376, 8187130, 9356720, 13099408, 16374260, 18713440, 26198816, 32748520, 37426880, 52397632, 65497040, 130994080, 261988160]

約数ペア:

[(1, 261988160), (2, 130994080), (4, 65497040), (5, 52397632), (7, 37426880), (8, 32748520), (10, 26198816), (14, 18713440), (16, 16374260), (20, 13099408), (28, 9356720), (32, 8187130), (35, 7485376), (40, 6549704), (56, 4678360), (64, 4093565), (70, 3742688), (80, 3274852), (112, 2339180), (140, 1871344), (160, 1637426), (224, 1169590), (280, 935672), (320, 818713), (448, 584795), (560, 467836), (1120, 233918), (2240, 116959)]