12987180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3137}}^1$

素因数の和:3175

約数の個数: 72

約数和(自身を含む): 41120352

約数和(自身を除く): 28133172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 3137, 4140, 6274, 9411, 12548, 15685, 18822, 28233, 31370, 37644, 47055, 56466, 62740, 72151, 94110, 112932, 141165, 144302, 188220, 216453, 282330, 288604, 360755, 432906, 564660, 649359, 721510, 865812, 1082265, 1298718, 1443020, 2164530, 2597436, 3246795, 4329060, 6493590, 12987180]

約数ペア:

[(1, 12987180), (2, 6493590), (3, 4329060), (4, 3246795), (5, 2597436), (6, 2164530), (9, 1443020), (10, 1298718), (12, 1082265), (15, 865812), (18, 721510), (20, 649359), (23, 564660), (30, 432906), (36, 360755), (45, 288604), (46, 282330), (60, 216453), (69, 188220), (90, 144302), (92, 141165), (115, 112932), (138, 94110), (180, 72151), (207, 62740), (230, 56466), (276, 47055), (345, 37644), (414, 31370), (460, 28233), (690, 18822), (828, 15685), (1035, 12548), (1380, 9411), (2070, 6274), (3137, 4140)]