51404040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{142789}}^1$

素因数の和:142806

約数の個数: 48

約数和(自身を含む): 167064300

約数和(自身を除く): 115660260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 142789, 285578, 428367, 571156, 713945, 856734, 1142312, 1285101, 1427890, 1713468, 2141835, 2570202, 2855780, 3426936, 4283670, 5140404, 5711560, 6425505, 8567340, 10280808, 12851010, 17134680, 25702020, 51404040]

約数ペア:

[(1, 51404040), (2, 25702020), (3, 17134680), (4, 12851010), (5, 10280808), (6, 8567340), (8, 6425505), (9, 5711560), (10, 5140404), (12, 4283670), (15, 3426936), (18, 2855780), (20, 2570202), (24, 2141835), (30, 1713468), (36, 1427890), (40, 1285101), (45, 1142312), (60, 856734), (72, 713945), (90, 571156), (120, 428367), (180, 285578), (360, 142789)]