2780565540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1252507}}^1$

素因数の和:1252556

約数の個数: 48

約数和(自身を含む): 7996011072

約数和(自身を除く): 5215445532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 1252507, 2505014, 3757521, 5010028, 6262535, 7515042, 12525070, 15030084, 18787605, 25050140, 37575210, 46342759, 75150420, 92685518, 139028277, 185371036, 231713795, 278056554, 463427590, 556113108, 695141385, 926855180, 1390282770, 2780565540]

約数ペア:

[(1, 2780565540), (2, 1390282770), (3, 926855180), (4, 695141385), (5, 556113108), (6, 463427590), (10, 278056554), (12, 231713795), (15, 185371036), (20, 139028277), (30, 92685518), (37, 75150420), (60, 46342759), (74, 37575210), (111, 25050140), (148, 18787605), (185, 15030084), (222, 12525070), (370, 7515042), (444, 6262535), (555, 5010028), (740, 3757521), (1110, 2505014), (2220, 1252507)]