19777920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10301}}^1$

素因数の和:10323

約数の個数: 64

約数和(自身を含む): 63048240

約数和(自身を除く): 43270320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10301, 20602, 30903, 41204, 51505, 61806, 82408, 103010, 123612, 154515, 164816, 206020, 247224, 309030, 329632, 412040, 494448, 618060, 659264, 824080, 988896, 1236120, 1318528, 1648160, 1977792, 2472240, 3296320, 3955584, 4944480, 6592640, 9888960, 19777920]

約数ペア:

[(1, 19777920), (2, 9888960), (3, 6592640), (4, 4944480), (5, 3955584), (6, 3296320), (8, 2472240), (10, 1977792), (12, 1648160), (15, 1318528), (16, 1236120), (20, 988896), (24, 824080), (30, 659264), (32, 618060), (40, 494448), (48, 412040), (60, 329632), (64, 309030), (80, 247224), (96, 206020), (120, 164816), (128, 154515), (160, 123612), (192, 103010), (240, 82408), (320, 61806), (384, 51505), (480, 41204), (640, 30903), (960, 20602), (1920, 10301)]