287691720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{18301}}^1$

素因数の和:18446

約数の個数: 64

約数和(自身を含む): 869711040

約数和(自身を除く): 582019320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 18301, 36602, 54903, 73204, 91505, 109806, 146408, 183010, 219612, 274515, 366020, 439224, 549030, 732040, 1098060, 2196120, 2397431, 4794862, 7192293, 9589724, 11987155, 14384586, 19179448, 23974310, 28769172, 35961465, 47948620, 57538344, 71922930, 95897240, 143845860, 287691720]

約数ペア:

[(1, 287691720), (2, 143845860), (3, 95897240), (4, 71922930), (5, 57538344), (6, 47948620), (8, 35961465), (10, 28769172), (12, 23974310), (15, 19179448), (20, 14384586), (24, 11987155), (30, 9589724), (40, 7192293), (60, 4794862), (120, 2397431), (131, 2196120), (262, 1098060), (393, 732040), (524, 549030), (655, 439224), (786, 366020), (1048, 274515), (1310, 219612), (1572, 183010), (1965, 146408), (2620, 109806), (3144, 91505), (3930, 73204), (5240, 54903), (7860, 36602), (15720, 18301)]