205442820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 288

約数和(自身を含む): 738017280

約数和(自身を除く): 532574460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 43, 44, 45, 55, 57, 60, 66, 76, 86, 90, 95, 99, 110, 114, 127, 129, 132, 165, 171, 172, 180, 190, 198, 209, 215, 220, 228, 254, 258, 285, 330, 342, 380, 381, 387, 396, 418, 430, 473, 495, 508, 516, 570, 627, 635, 645, 660, 684, 762, 774, 817, 836, 855, 860, 946, 990, 1045, 1140, 1143, 1254, 1270, 1290, 1397, 1419, 1524, 1548, 1634, 1710, 1881, 1892, 1905, 1935, 1980, 2090, 2286, 2365, 2413, 2451, 2508, 2540, 2580, 2794, 2838, 3135, 3268, 3420, 3762, 3810, 3870, 4085, 4180, 4191, 4257, 4572, 4730, 4826, 4902, 5461, 5588, 5676, 5715, 6270, 6985, 7095, 7239, 7353, 7524, 7620, 7740, 8170, 8382, 8514, 8987, 9405, 9460, 9652, 9804, 10922, 11430, 12065, 12255, 12540, 12573, 13970, 14190, 14478, 14706, 16340, 16383, 16764, 17028, 17974, 18810, 20955, 21285, 21717, 21844, 22860, 24130, 24510, 25146, 26543, 26961, 27305, 27940, 28380, 28956, 29412, 32766, 35948, 36195, 36765, 37620, 41910, 42570, 43434, 44935, 48260, 49020, 49149, 50292, 53086, 53922, 54610, 60071, 62865, 65532, 72390, 73530, 79629, 80883, 81915, 83820, 85140, 86868, 89870, 98298, 103759, 106172, 107844, 108585, 109220, 120142, 125730, 132715, 134805, 144780, 147060, 159258, 161766, 163830, 179740, 180213, 196596, 207518, 217170, 238887, 240284, 245745, 251460, 265430, 269610, 300355, 311277, 318516, 323532, 327660, 360426, 398145, 404415, 415036, 434340, 477774, 491490, 518795, 530860, 539220, 540639, 600710, 622554, 720852, 796290, 808830, 901065, 933831, 955548, 982980, 1037590, 1081278, 1141349, 1194435, 1201420, 1245108, 1556385, 1592580, 1617660, 1802130, 1867662, 2075180, 2162556, 2282698, 2388870, 2703195, 3112770, 3424047, 3604260, 3735324, 4565396, 4669155, 4777740, 5406390, 5706745, 6225540, 6848094, 9338310, 10272141, 10812780, 11413490, 13696188, 17120235, 18676620, 20544282, 22826980, 34240470, 41088564, 51360705, 68480940, 102721410, 205442820]

約数ペア:

[(1, 205442820), (2, 102721410), (3, 68480940), (4, 51360705), (5, 41088564), (6, 34240470), (9, 22826980), (10, 20544282), (11, 18676620), (12, 17120235), (15, 13696188), (18, 11413490), (19, 10812780), (20, 10272141), (22, 9338310), (30, 6848094), (33, 6225540), (36, 5706745), (38, 5406390), (43, 4777740), (44, 4669155), (45, 4565396), (55, 3735324), (57, 3604260), (60, 3424047), (66, 3112770), (76, 2703195), (86, 2388870), (90, 2282698), (95, 2162556), (99, 2075180), (110, 1867662), (114, 1802130), (127, 1617660), (129, 1592580), (132, 1556385), (165, 1245108), (171, 1201420), (172, 1194435), (180, 1141349), (190, 1081278), (198, 1037590), (209, 982980), (215, 955548), (220, 933831), (228, 901065), (254, 808830), (258, 796290), (285, 720852), (330, 622554), (342, 600710), (380, 540639), (381, 539220), (387, 530860), (396, 518795), (418, 491490), (430, 477774), (473, 434340), (495, 415036), (508, 404415), (516, 398145), (570, 360426), (627, 327660), (635, 323532), (645, 318516), (660, 311277), (684, 300355), (762, 269610), (774, 265430), (817, 251460), (836, 245745), (855, 240284), (860, 238887), (946, 217170), (990, 207518), (1045, 196596), (1140, 180213), (1143, 179740), (1254, 163830), (1270, 161766), (1290, 159258), (1397, 147060), (1419, 144780), (1524, 134805), (1548, 132715), (1634, 125730), (1710, 120142), (1881, 109220), (1892, 108585), (1905, 107844), (1935, 106172), (1980, 103759), (2090, 98298), (2286, 89870), (2365, 86868), (2413, 85140), (2451, 83820), (2508, 81915), (2540, 80883), (2580, 79629), (2794, 73530), (2838, 72390), (3135, 65532), (3268, 62865), (3420, 60071), (3762, 54610), (3810, 53922), (3870, 53086), (4085, 50292), (4180, 49149), (4191, 49020), (4257, 48260), (4572, 44935), (4730, 43434), (4826, 42570), (4902, 41910), (5461, 37620), (5588, 36765), (5676, 36195), (5715, 35948), (6270, 32766), (6985, 29412), (7095, 28956), (7239, 28380), (7353, 27940), (7524, 27305), (7620, 26961), (7740, 26543), (8170, 25146), (8382, 24510), (8514, 24130), (8987, 22860), (9405, 21844), (9460, 21717), (9652, 21285), (9804, 20955), (10922, 18810), (11430, 17974), (12065, 17028), (12255, 16764), (12540, 16383), (12573, 16340), (13970, 14706), (14190, 14478)]