16656840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 57629880

約数和(自身を除く): 40973040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 72, 81, 90, 97, 106, 108, 120, 135, 159, 162, 180, 194, 212, 216, 265, 270, 291, 318, 324, 360, 388, 405, 424, 477, 485, 530, 540, 582, 636, 648, 776, 795, 810, 873, 954, 970, 1060, 1080, 1164, 1272, 1431, 1455, 1590, 1620, 1746, 1908, 1940, 2120, 2328, 2385, 2619, 2862, 2910, 3180, 3240, 3492, 3816, 3880, 4293, 4365, 4770, 5141, 5238, 5724, 5820, 6360, 6984, 7155, 7857, 8586, 8730, 9540, 10282, 10476, 11448, 11640, 13095, 14310, 15423, 15714, 17172, 17460, 19080, 20564, 20952, 21465, 25705, 26190, 28620, 30846, 31428, 34344, 34920, 39285, 41128, 42930, 46269, 51410, 52380, 57240, 61692, 62856, 77115, 78570, 85860, 92538, 102820, 104760, 123384, 138807, 154230, 157140, 171720, 185076, 205640, 231345, 277614, 308460, 314280, 370152, 416421, 462690, 555228, 616920, 694035, 832842, 925380, 1110456, 1388070, 1665684, 1850760, 2082105, 2776140, 3331368, 4164210, 5552280, 8328420, 16656840]

約数ペア:

[(1, 16656840), (2, 8328420), (3, 5552280), (4, 4164210), (5, 3331368), (6, 2776140), (8, 2082105), (9, 1850760), (10, 1665684), (12, 1388070), (15, 1110456), (18, 925380), (20, 832842), (24, 694035), (27, 616920), (30, 555228), (36, 462690), (40, 416421), (45, 370152), (53, 314280), (54, 308460), (60, 277614), (72, 231345), (81, 205640), (90, 185076), (97, 171720), (106, 157140), (108, 154230), (120, 138807), (135, 123384), (159, 104760), (162, 102820), (180, 92538), (194, 85860), (212, 78570), (216, 77115), (265, 62856), (270, 61692), (291, 57240), (318, 52380), (324, 51410), (360, 46269), (388, 42930), (405, 41128), (424, 39285), (477, 34920), (485, 34344), (530, 31428), (540, 30846), (582, 28620), (636, 26190), (648, 25705), (776, 21465), (795, 20952), (810, 20564), (873, 19080), (954, 17460), (970, 17172), (1060, 15714), (1080, 15423), (1164, 14310), (1272, 13095), (1431, 11640), (1455, 11448), (1590, 10476), (1620, 10282), (1746, 9540), (1908, 8730), (1940, 8586), (2120, 7857), (2328, 7155), (2385, 6984), (2619, 6360), (2862, 5820), (2910, 5724), (3180, 5238), (3240, 5141), (3492, 4770), (3816, 4365), (3880, 4293)]