13042980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{72461}}^1$

素因数の和:72476

約数の個数: 36

約数和(自身を含む): 39564252

約数和(自身を除く): 26521272

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 72461, 144922, 217383, 289844, 362305, 434766, 652149, 724610, 869532, 1086915, 1304298, 1449220, 2173830, 2608596, 3260745, 4347660, 6521490, 13042980]

約数ペア:

[(1, 13042980), (2, 6521490), (3, 4347660), (4, 3260745), (5, 2608596), (6, 2173830), (9, 1449220), (10, 1304298), (12, 1086915), (15, 869532), (18, 724610), (20, 652149), (30, 434766), (36, 362305), (45, 289844), (60, 217383), (90, 144922), (180, 72461)]