90076980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{214469}}^1$

素因数の和:214488

約数の個数: 48

約数和(自身を含む): 288247680

約数和(自身を除く): 198170700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 214469, 428938, 643407, 857876, 1072345, 1286814, 1501283, 2144690, 2573628, 3002566, 3217035, 4289380, 4503849, 6005132, 6434070, 7506415, 9007698, 12868140, 15012830, 18015396, 22519245, 30025660, 45038490, 90076980]

約数ペア:

[(1, 90076980), (2, 45038490), (3, 30025660), (4, 22519245), (5, 18015396), (6, 15012830), (7, 12868140), (10, 9007698), (12, 7506415), (14, 6434070), (15, 6005132), (20, 4503849), (21, 4289380), (28, 3217035), (30, 3002566), (35, 2573628), (42, 2144690), (60, 1501283), (70, 1286814), (84, 1072345), (105, 857876), (140, 643407), (210, 428938), (420, 214469)]