28549560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18301}}^1$

素因数の和:18328

約数の個数: 64

約数和(自身を含む): 92242080

約数和(自身を除く): 63692520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18301, 36602, 54903, 73204, 91505, 109806, 146408, 183010, 219612, 237913, 274515, 366020, 439224, 475826, 549030, 713739, 732040, 951652, 1098060, 1189565, 1427478, 1903304, 2196120, 2379130, 2854956, 3568695, 4758260, 5709912, 7137390, 9516520, 14274780, 28549560]

約数ペア:

[(1, 28549560), (2, 14274780), (3, 9516520), (4, 7137390), (5, 5709912), (6, 4758260), (8, 3568695), (10, 2854956), (12, 2379130), (13, 2196120), (15, 1903304), (20, 1427478), (24, 1189565), (26, 1098060), (30, 951652), (39, 732040), (40, 713739), (52, 549030), (60, 475826), (65, 439224), (78, 366020), (104, 274515), (120, 237913), (130, 219612), (156, 183010), (195, 146408), (260, 109806), (312, 91505), (390, 73204), (520, 54903), (780, 36602), (1560, 18301)]