81967560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6763}}^1$

素因数の和:6878

約数の個数: 64

約数和(自身を含む): 248374080

約数和(自身を除く): 166406520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 6763, 12120, 13526, 20289, 27052, 33815, 40578, 54104, 67630, 81156, 101445, 135260, 162312, 202890, 270520, 405780, 683063, 811560, 1366126, 2049189, 2732252, 3415315, 4098378, 5464504, 6830630, 8196756, 10245945, 13661260, 16393512, 20491890, 27322520, 40983780, 81967560]

約数ペア:

[(1, 81967560), (2, 40983780), (3, 27322520), (4, 20491890), (5, 16393512), (6, 13661260), (8, 10245945), (10, 8196756), (12, 6830630), (15, 5464504), (20, 4098378), (24, 3415315), (30, 2732252), (40, 2049189), (60, 1366126), (101, 811560), (120, 683063), (202, 405780), (303, 270520), (404, 202890), (505, 162312), (606, 135260), (808, 101445), (1010, 81156), (1212, 67630), (1515, 54104), (2020, 40578), (2424, 33815), (3030, 27052), (4040, 20289), (6060, 13526), (6763, 12120)]