81942480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113809}}^1$

素因数の和:113828

約数の個数: 60

約数和(自身を含む): 275192580

約数和(自身を除く): 193250100

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113809, 227618, 341427, 455236, 569045, 682854, 910472, 1024281, 1138090, 1365708, 1707135, 1820944, 2048562, 2276180, 2731416, 3414270, 4097124, 4552360, 5121405, 5462832, 6828540, 8194248, 9104720, 10242810, 13657080, 16388496, 20485620, 27314160, 40971240, 81942480]

約数ペア:

[(1, 81942480), (2, 40971240), (3, 27314160), (4, 20485620), (5, 16388496), (6, 13657080), (8, 10242810), (9, 9104720), (10, 8194248), (12, 6828540), (15, 5462832), (16, 5121405), (18, 4552360), (20, 4097124), (24, 3414270), (30, 2731416), (36, 2276180), (40, 2048562), (45, 1820944), (48, 1707135), (60, 1365708), (72, 1138090), (80, 1024281), (90, 910472), (120, 682854), (144, 569045), (180, 455236), (240, 341427), (360, 227618), (720, 113809)]