30980718

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 60

約数和(自身を含む): 72091800

約数和(自身を除く): 41111082

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 199, 279, 398, 558, 597, 837, 961, 1194, 1674, 1791, 1922, 2511, 2883, 3582, 5022, 5373, 5766, 6169, 8649, 10746, 12338, 16119, 17298, 18507, 25947, 32238, 37014, 51894, 55521, 77841, 111042, 155682, 166563, 191239, 333126, 382478, 499689, 573717, 999378, 1147434, 1721151, 3442302, 5163453, 10326906, 15490359, 30980718]

約数ペア:

[(1, 30980718), (2, 15490359), (3, 10326906), (6, 5163453), (9, 3442302), (18, 1721151), (27, 1147434), (31, 999378), (54, 573717), (62, 499689), (81, 382478), (93, 333126), (162, 191239), (186, 166563), (199, 155682), (279, 111042), (398, 77841), (558, 55521), (597, 51894), (837, 37014), (961, 32238), (1194, 25947), (1674, 18507), (1791, 17298), (1922, 16119), (2511, 12338), (2883, 10746), (3582, 8649), (5022, 6169), (5373, 5766)]