118915840

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1523}}^1$

素因数の和:1605

約数の個数: 72

約数和(自身を含む): 289700208

約数和(自身を除く): 170784368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1220, 1280, 1523, 1952, 2440, 3046, 3904, 4880, 6092, 7615, 7808, 9760, 12184, 15230, 15616, 19520, 24368, 30460, 39040, 48736, 60920, 78080, 92903, 97472, 121840, 185806, 194944, 243680, 371612, 389888, 464515, 487360, 743224, 929030, 974720, 1486448, 1858060, 1949440, 2972896, 3716120, 5945792, 7432240, 11891584, 14864480, 23783168, 29728960, 59457920, 118915840]

約数ペア:

[(1, 118915840), (2, 59457920), (4, 29728960), (5, 23783168), (8, 14864480), (10, 11891584), (16, 7432240), (20, 5945792), (32, 3716120), (40, 2972896), (61, 1949440), (64, 1858060), (80, 1486448), (122, 974720), (128, 929030), (160, 743224), (244, 487360), (256, 464515), (305, 389888), (320, 371612), (488, 243680), (610, 194944), (640, 185806), (976, 121840), (1220, 97472), (1280, 92903), (1523, 78080), (1952, 60920), (2440, 48736), (3046, 39040), (3904, 30460), (4880, 24368), (6092, 19520), (7615, 15616), (7808, 15230), (9760, 12184)]