90243990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19661}}^1$

素因数の和:19694

約数の個数: 64

約数和(自身を含む): 254819520

約数和(自身を除く): 164575530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4590, 19661, 39322, 58983, 98305, 117966, 176949, 196610, 294915, 334237, 353898, 530847, 589830, 668474, 884745, 1002711, 1061694, 1671185, 1769490, 2005422, 2654235, 3008133, 3342370, 5013555, 5308470, 6016266, 9024399, 10027110, 15040665, 18048798, 30081330, 45121995, 90243990]

約数ペア:

[(1, 90243990), (2, 45121995), (3, 30081330), (5, 18048798), (6, 15040665), (9, 10027110), (10, 9024399), (15, 6016266), (17, 5308470), (18, 5013555), (27, 3342370), (30, 3008133), (34, 2654235), (45, 2005422), (51, 1769490), (54, 1671185), (85, 1061694), (90, 1002711), (102, 884745), (135, 668474), (153, 589830), (170, 530847), (255, 353898), (270, 334237), (306, 294915), (459, 196610), (510, 176949), (765, 117966), (918, 98305), (1530, 58983), (2295, 39322), (4590, 19661)]