1720078960

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{405679}}^1$

素因数の和:405745

約数の個数: 40

約数和(自身を含む): 4074649920

約数和(自身を除く): 2354570960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 405679, 811358, 1622716, 2028395, 3245432, 4056790, 6490864, 8113580, 16227160, 21500987, 32454320, 43001974, 86003948, 107504935, 172007896, 215009870, 344015792, 430019740, 860039480, 1720078960]

約数ペア:

[(1, 1720078960), (2, 860039480), (4, 430019740), (5, 344015792), (8, 215009870), (10, 172007896), (16, 107504935), (20, 86003948), (40, 43001974), (53, 32454320), (80, 21500987), (106, 16227160), (212, 8113580), (265, 6490864), (424, 4056790), (530, 3245432), (848, 2028395), (1060, 1622716), (2120, 811358), (4240, 405679)]