12897180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 39482352

約数和(自身を除く): 26585172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 523, 548, 685, 822, 1046, 1233, 1370, 1569, 1644, 2055, 2092, 2466, 2615, 2740, 3138, 4110, 4707, 4932, 5230, 6165, 6276, 7845, 8220, 9414, 10460, 12330, 15690, 18828, 23535, 24660, 31380, 47070, 71651, 94140, 143302, 214953, 286604, 358255, 429906, 644859, 716510, 859812, 1074765, 1289718, 1433020, 2149530, 2579436, 3224295, 4299060, 6448590, 12897180]

約数ペア:

[(1, 12897180), (2, 6448590), (3, 4299060), (4, 3224295), (5, 2579436), (6, 2149530), (9, 1433020), (10, 1289718), (12, 1074765), (15, 859812), (18, 716510), (20, 644859), (30, 429906), (36, 358255), (45, 286604), (60, 214953), (90, 143302), (137, 94140), (180, 71651), (274, 47070), (411, 31380), (523, 24660), (548, 23535), (685, 18828), (822, 15690), (1046, 12330), (1233, 10460), (1370, 9414), (1569, 8220), (1644, 7845), (2055, 6276), (2092, 6165), (2466, 5230), (2615, 4932), (2740, 4707), (3138, 4110)]