8256120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 25038720

約数和(自身を除く): 16782600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 643, 856, 1070, 1284, 1286, 1605, 1929, 2140, 2568, 2572, 3210, 3215, 3858, 4280, 5144, 6420, 6430, 7716, 9645, 12840, 12860, 15432, 19290, 25720, 38580, 68801, 77160, 137602, 206403, 275204, 344005, 412806, 550408, 688010, 825612, 1032015, 1376020, 1651224, 2064030, 2752040, 4128060, 8256120]

約数ペア:

[(1, 8256120), (2, 4128060), (3, 2752040), (4, 2064030), (5, 1651224), (6, 1376020), (8, 1032015), (10, 825612), (12, 688010), (15, 550408), (20, 412806), (24, 344005), (30, 275204), (40, 206403), (60, 137602), (107, 77160), (120, 68801), (214, 38580), (321, 25720), (428, 19290), (535, 15432), (642, 12860), (643, 12840), (856, 9645), (1070, 7716), (1284, 6430), (1286, 6420), (1605, 5144), (1929, 4280), (2140, 3858), (2568, 3215), (2572, 3210)]