81190440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225529}}^1$

素因数の和:225546

約数の個数: 48

約数和(自身を含む): 263870100

約数和(自身を除く): 182679660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 225529, 451058, 676587, 902116, 1127645, 1353174, 1804232, 2029761, 2255290, 2706348, 3382935, 4059522, 4510580, 5412696, 6765870, 8119044, 9021160, 10148805, 13531740, 16238088, 20297610, 27063480, 40595220, 81190440]

約数ペア:

[(1, 81190440), (2, 40595220), (3, 27063480), (4, 20297610), (5, 16238088), (6, 13531740), (8, 10148805), (9, 9021160), (10, 8119044), (12, 6765870), (15, 5412696), (18, 4510580), (20, 4059522), (24, 3382935), (30, 2706348), (36, 2255290), (40, 2029761), (45, 1804232), (60, 1353174), (72, 1127645), (90, 902116), (120, 676587), (180, 451058), (360, 225529)]