51807120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{215863}}^1$

素因数の和:215879

約数の個数: 40

約数和(自身を含む): 160602816

約数和(自身を除く): 108795696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 215863, 431726, 647589, 863452, 1079315, 1295178, 1726904, 2158630, 2590356, 3237945, 3453808, 4317260, 5180712, 6475890, 8634520, 10361424, 12951780, 17269040, 25903560, 51807120]

約数ペア:

[(1, 51807120), (2, 25903560), (3, 17269040), (4, 12951780), (5, 10361424), (6, 8634520), (8, 6475890), (10, 5180712), (12, 4317260), (15, 3453808), (16, 3237945), (20, 2590356), (24, 2158630), (30, 1726904), (40, 1295178), (48, 1079315), (60, 863452), (80, 647589), (120, 431726), (240, 215863)]