2018641905

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2647}}^1$

素因数の和:2940

約数の個数: 80

約数和(自身を含む): 4152487680

約数和(自身を除く): 2133845775

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 269, 315, 405, 567, 807, 945, 1345, 1883, 2421, 2647, 2835, 4035, 5649, 7263, 7941, 9415, 12105, 13235, 16947, 18529, 21789, 23823, 28245, 36315, 39705, 50841, 55587, 71469, 84735, 92645, 108945, 119115, 152523, 166761, 214407, 254205, 277935, 357345, 500283, 712043, 762615, 833805, 1072035, 1500849, 2136129, 2501415, 3560215, 4984301, 6408387, 7504245, 10680645, 14952903, 19225161, 24921505, 32041935, 44858709, 57675483, 74764515, 96125805, 134576127, 224293545, 288377415, 403728381, 672880635, 2018641905]

約数ペア:

[(1, 2018641905), (3, 672880635), (5, 403728381), (7, 288377415), (9, 224293545), (15, 134576127), (21, 96125805), (27, 74764515), (35, 57675483), (45, 44858709), (63, 32041935), (81, 24921505), (105, 19225161), (135, 14952903), (189, 10680645), (269, 7504245), (315, 6408387), (405, 4984301), (567, 3560215), (807, 2501415), (945, 2136129), (1345, 1500849), (1883, 1072035), (2421, 833805), (2647, 762615), (2835, 712043), (4035, 500283), (5649, 357345), (7263, 277935), (7941, 254205), (9415, 214407), (12105, 166761), (13235, 152523), (16947, 119115), (18529, 108945), (21789, 92645), (23823, 84735), (28245, 71469), (36315, 55587), (39705, 50841)]