217215040

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{1979}}^1$

素因数の和:2017

約数の個数: 112

約数和(自身を含む): 603504000

約数和(自身を除く): 386288960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 1979, 2240, 2744, 3136, 3430, 3920, 3958, 5488, 6860, 7840, 7916, 9895, 10976, 13720, 13853, 15680, 15832, 19790, 21952, 27440, 27706, 31664, 39580, 54880, 55412, 63328, 69265, 79160, 96971, 109760, 110824, 126656, 138530, 158320, 193942, 221648, 277060, 316640, 387884, 443296, 484855, 554120, 633280, 678797, 775768, 886592, 969710, 1108240, 1357594, 1551536, 1939420, 2216480, 2715188, 3103072, 3393985, 3878840, 4432960, 5430376, 6206144, 6787970, 7757680, 10860752, 13575940, 15515360, 21721504, 27151880, 31030720, 43443008, 54303760, 108607520, 217215040]

約数ペア:

[(1, 217215040), (2, 108607520), (4, 54303760), (5, 43443008), (7, 31030720), (8, 27151880), (10, 21721504), (14, 15515360), (16, 13575940), (20, 10860752), (28, 7757680), (32, 6787970), (35, 6206144), (40, 5430376), (49, 4432960), (56, 3878840), (64, 3393985), (70, 3103072), (80, 2715188), (98, 2216480), (112, 1939420), (140, 1551536), (160, 1357594), (196, 1108240), (224, 969710), (245, 886592), (280, 775768), (320, 678797), (343, 633280), (392, 554120), (448, 484855), (490, 443296), (560, 387884), (686, 316640), (784, 277060), (980, 221648), (1120, 193942), (1372, 158320), (1568, 138530), (1715, 126656), (1960, 110824), (1979, 109760), (2240, 96971), (2744, 79160), (3136, 69265), (3430, 63328), (3920, 55412), (3958, 54880), (5488, 39580), (6860, 31664), (7840, 27706), (7916, 27440), (9895, 21952), (10976, 19790), (13720, 15832), (13853, 15680)]