7716780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 23975952

約数和(自身を除く): 16259172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 997, 1290, 1548, 1935, 1994, 2580, 2991, 3870, 3988, 4985, 5982, 7740, 8973, 9970, 11964, 14955, 17946, 19940, 29910, 35892, 42871, 44865, 59820, 85742, 89730, 128613, 171484, 179460, 214355, 257226, 385839, 428710, 514452, 643065, 771678, 857420, 1286130, 1543356, 1929195, 2572260, 3858390, 7716780]

約数ペア:

[(1, 7716780), (2, 3858390), (3, 2572260), (4, 1929195), (5, 1543356), (6, 1286130), (9, 857420), (10, 771678), (12, 643065), (15, 514452), (18, 428710), (20, 385839), (30, 257226), (36, 214355), (43, 179460), (45, 171484), (60, 128613), (86, 89730), (90, 85742), (129, 59820), (172, 44865), (180, 42871), (215, 35892), (258, 29910), (387, 19940), (430, 17946), (516, 14955), (645, 11964), (774, 9970), (860, 8973), (997, 7740), (1290, 5982), (1548, 4985), (1935, 3988), (1994, 3870), (2580, 2991)]