15784680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 47664000

約数和(自身を除く): 31879320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 661, 796, 995, 1194, 1322, 1592, 1983, 1990, 2388, 2644, 2985, 3305, 3966, 3980, 4776, 5288, 5970, 6610, 7932, 7960, 9915, 11940, 13220, 15864, 19830, 23880, 26440, 39660, 79320, 131539, 263078, 394617, 526156, 657695, 789234, 1052312, 1315390, 1578468, 1973085, 2630780, 3156936, 3946170, 5261560, 7892340, 15784680]

約数ペア:

[(1, 15784680), (2, 7892340), (3, 5261560), (4, 3946170), (5, 3156936), (6, 2630780), (8, 1973085), (10, 1578468), (12, 1315390), (15, 1052312), (20, 789234), (24, 657695), (30, 526156), (40, 394617), (60, 263078), (120, 131539), (199, 79320), (398, 39660), (597, 26440), (661, 23880), (796, 19830), (995, 15864), (1194, 13220), (1322, 11940), (1592, 9915), (1983, 7960), (1990, 7932), (2388, 6610), (2644, 5970), (2985, 5288), (3305, 4776), (3966, 3980)]