80238780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{445771}}^1$

素因数の和:445786

約数の個数: 36

約数和(自身を含む): 243391512

約数和(自身を除く): 163152732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 445771, 891542, 1337313, 1783084, 2228855, 2674626, 4011939, 4457710, 5349252, 6686565, 8023878, 8915420, 13373130, 16047756, 20059695, 26746260, 40119390, 80238780]

約数ペア:

[(1, 80238780), (2, 40119390), (3, 26746260), (4, 20059695), (5, 16047756), (6, 13373130), (9, 8915420), (10, 8023878), (12, 6686565), (15, 5349252), (18, 4457710), (20, 4011939), (30, 2674626), (36, 2228855), (45, 1783084), (60, 1337313), (90, 891542), (180, 445771)]