7315880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 19353600

約数和(自身を除く): 12037720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1279, 1430, 2558, 2860, 5116, 5720, 6395, 10232, 12790, 14069, 16627, 25580, 28138, 33254, 51160, 56276, 66508, 70345, 83135, 112552, 133016, 140690, 166270, 182897, 281380, 332540, 365794, 562760, 665080, 731588, 914485, 1463176, 1828970, 3657940, 7315880]

約数ペア:

[(1, 7315880), (2, 3657940), (4, 1828970), (5, 1463176), (8, 914485), (10, 731588), (11, 665080), (13, 562760), (20, 365794), (22, 332540), (26, 281380), (40, 182897), (44, 166270), (52, 140690), (55, 133016), (65, 112552), (88, 83135), (104, 70345), (110, 66508), (130, 56276), (143, 51160), (220, 33254), (260, 28138), (286, 25580), (440, 16627), (520, 14069), (572, 12790), (715, 10232), (1144, 6395), (1279, 5720), (1430, 5116), (2558, 2860)]