128272440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24859}}^1$

素因数の和:24916

約数の個数: 64

約数和(自身を含む): 393782400

約数和(自身を除く): 265509960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 24859, 49718, 74577, 99436, 124295, 149154, 198872, 248590, 298308, 372885, 497180, 596616, 745770, 994360, 1068937, 1491540, 2137874, 2983080, 3206811, 4275748, 5344685, 6413622, 8551496, 10689370, 12827244, 16034055, 21378740, 25654488, 32068110, 42757480, 64136220, 128272440]

約数ペア:

[(1, 128272440), (2, 64136220), (3, 42757480), (4, 32068110), (5, 25654488), (6, 21378740), (8, 16034055), (10, 12827244), (12, 10689370), (15, 8551496), (20, 6413622), (24, 5344685), (30, 4275748), (40, 3206811), (43, 2983080), (60, 2137874), (86, 1491540), (120, 1068937), (129, 994360), (172, 745770), (215, 596616), (258, 497180), (344, 372885), (430, 298308), (516, 248590), (645, 198872), (860, 149154), (1032, 124295), (1290, 99436), (1720, 74577), (2580, 49718), (5160, 24859)]