31186120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 80916480

約数和(自身を除く): 49730360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 877, 889, 1016, 1270, 1754, 1778, 2540, 3508, 3556, 4385, 4445, 5080, 6139, 7016, 7112, 8770, 8890, 12278, 17540, 17780, 24556, 30695, 35080, 35560, 49112, 61390, 111379, 122780, 222758, 245560, 445516, 556895, 779653, 891032, 1113790, 1559306, 2227580, 3118612, 3898265, 4455160, 6237224, 7796530, 15593060, 31186120]

約数ペア:

[(1, 31186120), (2, 15593060), (4, 7796530), (5, 6237224), (7, 4455160), (8, 3898265), (10, 3118612), (14, 2227580), (20, 1559306), (28, 1113790), (35, 891032), (40, 779653), (56, 556895), (70, 445516), (127, 245560), (140, 222758), (254, 122780), (280, 111379), (508, 61390), (635, 49112), (877, 35560), (889, 35080), (1016, 30695), (1270, 24556), (1754, 17780), (1778, 17540), (2540, 12278), (3508, 8890), (3556, 8770), (4385, 7112), (4445, 7016), (5080, 6139)]