1261892960

素因数分解:

$2^5\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{3701}}^1$

素因数の和:5847

約数の個数: 48

約数和(自身を含む): 2983426992

約数和(自身を除く): 1721534032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2131, 3701, 4262, 7402, 8524, 10655, 14804, 17048, 18505, 21310, 29608, 34096, 37010, 42620, 59216, 68192, 74020, 85240, 118432, 148040, 170480, 296080, 340960, 592160, 7886831, 15773662, 31547324, 39434155, 63094648, 78868310, 126189296, 157736620, 252378592, 315473240, 630946480, 1261892960]

約数ペア:

[(1, 1261892960), (2, 630946480), (4, 315473240), (5, 252378592), (8, 157736620), (10, 126189296), (16, 78868310), (20, 63094648), (32, 39434155), (40, 31547324), (80, 15773662), (160, 7886831), (2131, 592160), (3701, 340960), (4262, 296080), (7402, 170480), (8524, 148040), (10655, 118432), (14804, 85240), (17048, 74020), (18505, 68192), (21310, 59216), (29608, 42620), (34096, 37010)]