81196680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1237}}^1$

素因数の和:1798

約数の個数: 64

約数和(自身を含む): 244232640

約数和(自身を除く): 163035960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 547, 1094, 1237, 1641, 2188, 2474, 2735, 3282, 3711, 4376, 4948, 5470, 6185, 6564, 7422, 8205, 9896, 10940, 12370, 13128, 14844, 16410, 18555, 21880, 24740, 29688, 32820, 37110, 49480, 65640, 74220, 148440, 676639, 1353278, 2029917, 2706556, 3383195, 4059834, 5413112, 6766390, 8119668, 10149585, 13532780, 16239336, 20299170, 27065560, 40598340, 81196680]

約数ペア:

[(1, 81196680), (2, 40598340), (3, 27065560), (4, 20299170), (5, 16239336), (6, 13532780), (8, 10149585), (10, 8119668), (12, 6766390), (15, 5413112), (20, 4059834), (24, 3383195), (30, 2706556), (40, 2029917), (60, 1353278), (120, 676639), (547, 148440), (1094, 74220), (1237, 65640), (1641, 49480), (2188, 37110), (2474, 32820), (2735, 29688), (3282, 24740), (3711, 21880), (4376, 18555), (4948, 16410), (5470, 14844), (6185, 13128), (6564, 12370), (7422, 10940), (8205, 9896)]