80677520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1871}}^1$

素因数の和:1909

約数の個数: 120

約数和(自身を含む): 238163328

約数和(自身を除く): 157485808

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1232, 1540, 1871, 1960, 2156, 2695, 3080, 3742, 3920, 4312, 5390, 6160, 7484, 8624, 9355, 10780, 13097, 14968, 18710, 20581, 21560, 26194, 29936, 37420, 41162, 43120, 52388, 65485, 74840, 82324, 91679, 102905, 104776, 130970, 144067, 149680, 164648, 183358, 205810, 209552, 261940, 288134, 329296, 366716, 411620, 458395, 523880, 576268, 720335, 733432, 823240, 916790, 1008469, 1047760, 1152536, 1440670, 1466864, 1646480, 1833580, 2016938, 2305072, 2881340, 3667160, 4033876, 5042345, 5762680, 7334320, 8067752, 10084690, 11525360, 16135504, 20169380, 40338760, 80677520]

約数ペア:

[(1, 80677520), (2, 40338760), (4, 20169380), (5, 16135504), (7, 11525360), (8, 10084690), (10, 8067752), (11, 7334320), (14, 5762680), (16, 5042345), (20, 4033876), (22, 3667160), (28, 2881340), (35, 2305072), (40, 2016938), (44, 1833580), (49, 1646480), (55, 1466864), (56, 1440670), (70, 1152536), (77, 1047760), (80, 1008469), (88, 916790), (98, 823240), (110, 733432), (112, 720335), (140, 576268), (154, 523880), (176, 458395), (196, 411620), (220, 366716), (245, 329296), (280, 288134), (308, 261940), (385, 209552), (392, 205810), (440, 183358), (490, 164648), (539, 149680), (560, 144067), (616, 130970), (770, 104776), (784, 102905), (880, 91679), (980, 82324), (1078, 74840), (1232, 65485), (1540, 52388), (1871, 43120), (1960, 41162), (2156, 37420), (2695, 29936), (3080, 26194), (3742, 21560), (3920, 20581), (4312, 18710), (5390, 14968), (6160, 13097), (7484, 10780), (8624, 9355)]