1900576720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{69263}}^1$

素因数の和:69297

約数の個数: 80

約数和(自身を含む): 5153241600

約数和(自身を除く): 3252664880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 13720, 27440, 69263, 138526, 277052, 346315, 484841, 554104, 692630, 969682, 1108208, 1385260, 1939364, 2424205, 2770520, 3393887, 3878728, 4848410, 5541040, 6787774, 7757456, 9696820, 13575548, 16969435, 19393640, 23757209, 27151096, 33938870, 38787280, 47514418, 54302192, 67877740, 95028836, 118786045, 135755480, 190057672, 237572090, 271510960, 380115344, 475144180, 950288360, 1900576720]

約数ペア:

[(1, 1900576720), (2, 950288360), (4, 475144180), (5, 380115344), (7, 271510960), (8, 237572090), (10, 190057672), (14, 135755480), (16, 118786045), (20, 95028836), (28, 67877740), (35, 54302192), (40, 47514418), (49, 38787280), (56, 33938870), (70, 27151096), (80, 23757209), (98, 19393640), (112, 16969435), (140, 13575548), (196, 9696820), (245, 7757456), (280, 6787774), (343, 5541040), (392, 4848410), (490, 3878728), (560, 3393887), (686, 2770520), (784, 2424205), (980, 1939364), (1372, 1385260), (1715, 1108208), (1960, 969682), (2744, 692630), (3430, 554104), (3920, 484841), (5488, 346315), (6860, 277052), (13720, 138526), (27440, 69263)]