19750680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 65061360

約数和(自身を除く): 45310680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 661, 664, 747, 830, 996, 1245, 1322, 1494, 1660, 1983, 1992, 2490, 2644, 2988, 3305, 3320, 3735, 3966, 4980, 5288, 5949, 5976, 6610, 7470, 7932, 9915, 9960, 11898, 13220, 14940, 15864, 19830, 23796, 26440, 29745, 29880, 39660, 47592, 54863, 59490, 79320, 109726, 118980, 164589, 219452, 237960, 274315, 329178, 438904, 493767, 548630, 658356, 822945, 987534, 1097260, 1316712, 1645890, 1975068, 2194520, 2468835, 3291780, 3950136, 4937670, 6583560, 9875340, 19750680]

約数ペア:

[(1, 19750680), (2, 9875340), (3, 6583560), (4, 4937670), (5, 3950136), (6, 3291780), (8, 2468835), (9, 2194520), (10, 1975068), (12, 1645890), (15, 1316712), (18, 1097260), (20, 987534), (24, 822945), (30, 658356), (36, 548630), (40, 493767), (45, 438904), (60, 329178), (72, 274315), (83, 237960), (90, 219452), (120, 164589), (166, 118980), (180, 109726), (249, 79320), (332, 59490), (360, 54863), (415, 47592), (498, 39660), (661, 29880), (664, 29745), (747, 26440), (830, 23796), (996, 19830), (1245, 15864), (1322, 14940), (1494, 13220), (1660, 11898), (1983, 9960), (1992, 9915), (2490, 7932), (2644, 7470), (2988, 6610), (3305, 5976), (3320, 5949), (3735, 5288), (3966, 4980)]