11791980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:301

約数の個数: 120

約数和(自身を含む): 38419920

約数和(自身を除く): 26627940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 251, 261, 270, 290, 324, 348, 405, 435, 502, 522, 540, 580, 753, 783, 810, 870, 1004, 1044, 1255, 1305, 1506, 1566, 1620, 1740, 2259, 2349, 2510, 2610, 3012, 3132, 3765, 3915, 4518, 4698, 5020, 5220, 6777, 7279, 7530, 7830, 9036, 9396, 11295, 11745, 13554, 14558, 15060, 15660, 20331, 21837, 22590, 23490, 27108, 29116, 33885, 36395, 40662, 43674, 45180, 46980, 65511, 67770, 72790, 81324, 87348, 101655, 109185, 131022, 135540, 145580, 196533, 203310, 218370, 262044, 327555, 393066, 406620, 436740, 589599, 655110, 786132, 982665, 1179198, 1310220, 1965330, 2358396, 2947995, 3930660, 5895990, 11791980]

約数ペア:

[(1, 11791980), (2, 5895990), (3, 3930660), (4, 2947995), (5, 2358396), (6, 1965330), (9, 1310220), (10, 1179198), (12, 982665), (15, 786132), (18, 655110), (20, 589599), (27, 436740), (29, 406620), (30, 393066), (36, 327555), (45, 262044), (54, 218370), (58, 203310), (60, 196533), (81, 145580), (87, 135540), (90, 131022), (108, 109185), (116, 101655), (135, 87348), (145, 81324), (162, 72790), (174, 67770), (180, 65511), (251, 46980), (261, 45180), (270, 43674), (290, 40662), (324, 36395), (348, 33885), (405, 29116), (435, 27108), (502, 23490), (522, 22590), (540, 21837), (580, 20331), (753, 15660), (783, 15060), (810, 14558), (870, 13554), (1004, 11745), (1044, 11295), (1255, 9396), (1305, 9036), (1506, 7830), (1566, 7530), (1620, 7279), (1740, 6777), (2259, 5220), (2349, 5020), (2510, 4698), (2610, 4518), (3012, 3915), (3132, 3765)]