123688560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{515369}}^1$

素因数の和:515385

約数の個数: 40

約数和(自身を含む): 383435280

約数和(自身を除く): 259746720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 515369, 1030738, 1546107, 2061476, 2576845, 3092214, 4122952, 5153690, 6184428, 7730535, 8245904, 10307380, 12368856, 15461070, 20614760, 24737712, 30922140, 41229520, 61844280, 123688560]

約数ペア:

[(1, 123688560), (2, 61844280), (3, 41229520), (4, 30922140), (5, 24737712), (6, 20614760), (8, 15461070), (10, 12368856), (12, 10307380), (15, 8245904), (16, 7730535), (20, 6184428), (24, 5153690), (30, 4122952), (40, 3092214), (48, 2576845), (60, 2061476), (80, 1546107), (120, 1030738), (240, 515369)]