16120980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89561}}^1$

素因数の和:89576

約数の個数: 36

約数和(自身を含む): 48900852

約数和(自身を除く): 32779872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 89561, 179122, 268683, 358244, 447805, 537366, 806049, 895610, 1074732, 1343415, 1612098, 1791220, 2686830, 3224196, 4030245, 5373660, 8060490, 16120980]

約数ペア:

[(1, 16120980), (2, 8060490), (3, 5373660), (4, 4030245), (5, 3224196), (6, 2686830), (9, 1791220), (10, 1612098), (12, 1343415), (15, 1074732), (18, 895610), (20, 806049), (30, 537366), (36, 447805), (45, 358244), (60, 268683), (90, 179122), (180, 89561)]