123457920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{64301}}^1$

素因数の和:64323

約数の個数: 64

約数和(自身を含む): 393528240

約数和(自身を除く): 270070320

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, 64301, 128602, 192903, 257204, 321505, 385806, 514408, 643010, 771612, 964515, 1028816, 1286020, 1543224, 1929030, 2057632, 2572040, 3086448, 3858060, 4115264, 5144080, 6172896, 7716120, 8230528, 10288160, 12345792, 15432240, 20576320, 24691584, 30864480, 41152640, 61728960, 123457920]

約数ペア:

[(1, 123457920), (2, 61728960), (3, 41152640), (4, 30864480), (5, 24691584), (6, 20576320), (8, 15432240), (10, 12345792), (12, 10288160), (15, 8230528), (16, 7716120), (20, 6172896), (24, 5144080), (30, 4115264), (32, 3858060), (40, 3086448), (48, 2572040), (60, 2057632), (64, 1929030), (80, 1543224), (96, 1286020), (120, 1028816), (128, 964515), (160, 771612), (192, 643010), (240, 514408), (320, 385806), (384, 321505), (480, 257204), (640, 192903), (960, 128602), (1920, 64301)]