8987440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1459}}^1$

素因数の和:1490

約数の個数: 80

約数和(自身を含む): 26069760

約数和(自身を除く): 17082320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1459, 1540, 2918, 3080, 5836, 6160, 7295, 10213, 11672, 14590, 16049, 20426, 23344, 29180, 32098, 40852, 51065, 58360, 64196, 80245, 81704, 102130, 112343, 116720, 128392, 160490, 163408, 204260, 224686, 256784, 320980, 408520, 449372, 561715, 641960, 817040, 898744, 1123430, 1283920, 1797488, 2246860, 4493720, 8987440]

約数ペア:

[(1, 8987440), (2, 4493720), (4, 2246860), (5, 1797488), (7, 1283920), (8, 1123430), (10, 898744), (11, 817040), (14, 641960), (16, 561715), (20, 449372), (22, 408520), (28, 320980), (35, 256784), (40, 224686), (44, 204260), (55, 163408), (56, 160490), (70, 128392), (77, 116720), (80, 112343), (88, 102130), (110, 81704), (112, 80245), (140, 64196), (154, 58360), (176, 51065), (220, 40852), (280, 32098), (308, 29180), (385, 23344), (440, 20426), (560, 16049), (616, 14590), (770, 11672), (880, 10213), (1232, 7295), (1459, 6160), (1540, 5836), (2918, 3080)]