128234640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{534311}}^1$

素因数の和:534327

約数の個数: 40

約数和(自身を含む): 397528128

約数和(自身を除く): 269293488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 534311, 1068622, 1602933, 2137244, 2671555, 3205866, 4274488, 5343110, 6411732, 8014665, 8548976, 10686220, 12823464, 16029330, 21372440, 25646928, 32058660, 42744880, 64117320, 128234640]

約数ペア:

[(1, 128234640), (2, 64117320), (3, 42744880), (4, 32058660), (5, 25646928), (6, 21372440), (8, 16029330), (10, 12823464), (12, 10686220), (15, 8548976), (16, 8014665), (20, 6411732), (24, 5343110), (30, 4274488), (40, 3205866), (48, 2671555), (60, 2137244), (80, 1602933), (120, 1068622), (240, 534311)]