261698520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{7873}}^1$

素因数の和:8164

約数の個数: 64

約数和(自身を含む): 788029920

約数和(自身を除く): 526331400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 554, 831, 1108, 1385, 1662, 2216, 2770, 3324, 4155, 5540, 6648, 7873, 8310, 11080, 15746, 16620, 23619, 31492, 33240, 39365, 47238, 62984, 78730, 94476, 118095, 157460, 188952, 236190, 314920, 472380, 944760, 2180821, 4361642, 6542463, 8723284, 10904105, 13084926, 17446568, 21808210, 26169852, 32712315, 43616420, 52339704, 65424630, 87232840, 130849260, 261698520]

約数ペア:

[(1, 261698520), (2, 130849260), (3, 87232840), (4, 65424630), (5, 52339704), (6, 43616420), (8, 32712315), (10, 26169852), (12, 21808210), (15, 17446568), (20, 13084926), (24, 10904105), (30, 8723284), (40, 6542463), (60, 4361642), (120, 2180821), (277, 944760), (554, 472380), (831, 314920), (1108, 236190), (1385, 188952), (1662, 157460), (2216, 118095), (2770, 94476), (3324, 78730), (4155, 62984), (5540, 47238), (6648, 39365), (7873, 33240), (8310, 31492), (11080, 23619), (15746, 16620)]