64831440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{270131}}^1$

素因数の和:270147

約数の個数: 40

約数和(自身を含む): 200978208

約数和(自身を除く): 136146768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 270131, 540262, 810393, 1080524, 1350655, 1620786, 2161048, 2701310, 3241572, 4051965, 4322096, 5402620, 6483144, 8103930, 10805240, 12966288, 16207860, 21610480, 32415720, 64831440]

約数ペア:

[(1, 64831440), (2, 32415720), (3, 21610480), (4, 16207860), (5, 12966288), (6, 10805240), (8, 8103930), (10, 6483144), (12, 5402620), (15, 4322096), (16, 4051965), (20, 3241572), (24, 2701310), (30, 2161048), (40, 1620786), (48, 1350655), (60, 1080524), (80, 810393), (120, 540262), (240, 270131)]