7272980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2576

約数の個数: 48

約数和(自身を含む): 17950464

約数和(自身を除く): 10677484

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2543, 2860, 5086, 10172, 12715, 25430, 27973, 33059, 50860, 55946, 66118, 111892, 132236, 139865, 165295, 279730, 330590, 363649, 559460, 661180, 727298, 1454596, 1818245, 3636490, 7272980]

約数ペア:

[(1, 7272980), (2, 3636490), (4, 1818245), (5, 1454596), (10, 727298), (11, 661180), (13, 559460), (20, 363649), (22, 330590), (26, 279730), (44, 165295), (52, 139865), (55, 132236), (65, 111892), (110, 66118), (130, 55946), (143, 50860), (220, 33059), (260, 27973), (286, 25430), (572, 12715), (715, 10172), (1430, 5086), (2543, 2860)]