64515880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11279}}^1$

素因数の和:11314

約数の個数: 64

約数和(自身を含む): 170553600

約数和(自身を除く): 106037720

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, 1430, 2860, 5720, 11279, 22558, 45116, 56395, 90232, 112790, 124069, 146627, 225580, 248138, 293254, 451160, 496276, 586508, 620345, 733135, 992552, 1173016, 1240690, 1466270, 1612897, 2481380, 2932540, 3225794, 4962760, 5865080, 6451588, 8064485, 12903176, 16128970, 32257940, 64515880]

約数ペア:

[(1, 64515880), (2, 32257940), (4, 16128970), (5, 12903176), (8, 8064485), (10, 6451588), (11, 5865080), (13, 4962760), (20, 3225794), (22, 2932540), (26, 2481380), (40, 1612897), (44, 1466270), (52, 1240690), (55, 1173016), (65, 992552), (88, 733135), (104, 620345), (110, 586508), (130, 496276), (143, 451160), (220, 293254), (260, 248138), (286, 225580), (440, 146627), (520, 124069), (572, 112790), (715, 90232), (1144, 56395), (1430, 45116), (2860, 22558), (5720, 11279)]