64813870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 133539840

約数和(自身を除く): 68725970

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 83, 110, 155, 166, 229, 310, 341, 415, 458, 682, 830, 913, 1145, 1705, 1826, 2290, 2519, 2573, 3410, 4565, 5038, 5146, 7099, 9130, 12595, 12865, 14198, 19007, 25190, 25730, 28303, 35495, 38014, 56606, 70990, 78089, 95035, 141515, 156178, 190070, 209077, 283030, 390445, 418154, 589217, 780890, 1045385, 1178434, 2090770, 2946085, 5892170, 6481387, 12962774, 32406935, 64813870]

約数ペア:

[(1, 64813870), (2, 32406935), (5, 12962774), (10, 6481387), (11, 5892170), (22, 2946085), (31, 2090770), (55, 1178434), (62, 1045385), (83, 780890), (110, 589217), (155, 418154), (166, 390445), (229, 283030), (310, 209077), (341, 190070), (415, 156178), (458, 141515), (682, 95035), (830, 78089), (913, 70990), (1145, 56606), (1705, 38014), (1826, 35495), (2290, 28303), (2519, 25730), (2573, 25190), (3410, 19007), (4565, 14198), (5038, 12865), (5146, 12595), (7099, 9130)]