81431136

素因数分解:

$2^5\times 3^3\times {\mathrm{307}}^2$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 238283640

約数和(自身を除く): 156852504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 307, 432, 614, 864, 921, 1228, 1842, 2456, 2763, 3684, 4912, 5526, 7368, 8289, 9824, 11052, 14736, 16578, 22104, 29472, 33156, 44208, 66312, 88416, 94249, 132624, 188498, 265248, 282747, 376996, 565494, 753992, 848241, 1130988, 1507984, 1696482, 2261976, 2544723, 3015968, 3392964, 4523952, 5089446, 6785928, 9047904, 10178892, 13571856, 20357784, 27143712, 40715568, 81431136]

約数ペア:

[(1, 81431136), (2, 40715568), (3, 27143712), (4, 20357784), (6, 13571856), (8, 10178892), (9, 9047904), (12, 6785928), (16, 5089446), (18, 4523952), (24, 3392964), (27, 3015968), (32, 2544723), (36, 2261976), (48, 1696482), (54, 1507984), (72, 1130988), (96, 848241), (108, 753992), (144, 565494), (216, 376996), (288, 282747), (307, 265248), (432, 188498), (614, 132624), (864, 94249), (921, 88416), (1228, 66312), (1842, 44208), (2456, 33156), (2763, 29472), (3684, 22104), (4912, 16578), (5526, 14736), (7368, 11052), (8289, 9824)]