80400996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1153}}^1$

素因数の和:1325

約数の個数: 72

約数和(自身を含む): 220529400

約数和(自身を除く): 140128404

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 234, 298, 447, 468, 596, 894, 1153, 1341, 1788, 1937, 2306, 2682, 3459, 3874, 4612, 5364, 5811, 6918, 7748, 10377, 11622, 13836, 14989, 17433, 20754, 23244, 29978, 34866, 41508, 44967, 59956, 69732, 89934, 134901, 171797, 179868, 269802, 343594, 515391, 539604, 687188, 1030782, 1546173, 2061564, 2233361, 3092346, 4466722, 6184692, 6700083, 8933444, 13400166, 20100249, 26800332, 40200498, 80400996]

約数ペア:

[(1, 80400996), (2, 40200498), (3, 26800332), (4, 20100249), (6, 13400166), (9, 8933444), (12, 6700083), (13, 6184692), (18, 4466722), (26, 3092346), (36, 2233361), (39, 2061564), (52, 1546173), (78, 1030782), (117, 687188), (149, 539604), (156, 515391), (234, 343594), (298, 269802), (447, 179868), (468, 171797), (596, 134901), (894, 89934), (1153, 69732), (1341, 59956), (1788, 44967), (1937, 41508), (2306, 34866), (2682, 29978), (3459, 23244), (3874, 20754), (4612, 17433), (5364, 14989), (5811, 13836), (6918, 11622), (7748, 10377)]