261213760

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{35491}}^1$

素因数の和:35531

約数の個数: 56

約数和(自身を含む): 649077696

約数和(自身を除く): 387863936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 3680, 7360, 35491, 70982, 141964, 177455, 283928, 354910, 567856, 709820, 816293, 1135712, 1419640, 1632586, 2271424, 2839280, 3265172, 4081465, 5678560, 6530344, 8162930, 11357120, 13060688, 16325860, 26121376, 32651720, 52242752, 65303440, 130606880, 261213760]

約数ペア:

[(1, 261213760), (2, 130606880), (4, 65303440), (5, 52242752), (8, 32651720), (10, 26121376), (16, 16325860), (20, 13060688), (23, 11357120), (32, 8162930), (40, 6530344), (46, 5678560), (64, 4081465), (80, 3265172), (92, 2839280), (115, 2271424), (160, 1632586), (184, 1419640), (230, 1135712), (320, 816293), (368, 709820), (460, 567856), (736, 354910), (920, 283928), (1472, 177455), (1840, 141964), (3680, 70982), (7360, 35491)]