80993340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449963}}^1$

素因数の和:449978

約数の個数: 36

約数和(自身を含む): 245680344

約数和(自身を除く): 164687004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449963, 899926, 1349889, 1799852, 2249815, 2699778, 4049667, 4499630, 5399556, 6749445, 8099334, 8999260, 13498890, 16198668, 20248335, 26997780, 40496670, 80993340]

約数ペア:

[(1, 80993340), (2, 40496670), (3, 26997780), (4, 20248335), (5, 16198668), (6, 13498890), (9, 8999260), (10, 8099334), (12, 6749445), (15, 5399556), (18, 4499630), (20, 4049667), (30, 2699778), (36, 2249815), (45, 1799852), (60, 1349889), (90, 899926), (180, 449963)]