78819480

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:102

約数の個数: 256

約数和(自身を含む): 286934400

約数和(自身を除く): 208114920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 53, 54, 60, 68, 72, 81, 85, 90, 102, 106, 108, 120, 135, 136, 153, 159, 162, 170, 180, 204, 212, 216, 243, 255, 265, 270, 306, 318, 324, 340, 360, 405, 408, 424, 459, 477, 486, 510, 530, 540, 612, 636, 648, 680, 729, 765, 795, 810, 901, 918, 954, 972, 1020, 1060, 1080, 1215, 1224, 1272, 1377, 1431, 1458, 1530, 1590, 1620, 1802, 1836, 1908, 1944, 2040, 2120, 2187, 2295, 2385, 2430, 2703, 2754, 2862, 2916, 3060, 3180, 3240, 3604, 3645, 3672, 3816, 4131, 4293, 4374, 4505, 4590, 4770, 4860, 5406, 5508, 5724, 5832, 6120, 6360, 6885, 7155, 7208, 7290, 8109, 8262, 8586, 8748, 9010, 9180, 9540, 9720, 10812, 10935, 11016, 11448, 12393, 12879, 13515, 13770, 14310, 14580, 16218, 16524, 17172, 17496, 18020, 18360, 19080, 20655, 21465, 21624, 21870, 24327, 24786, 25758, 27030, 27540, 28620, 29160, 32436, 33048, 34344, 36040, 37179, 38637, 40545, 41310, 42930, 43740, 48654, 49572, 51516, 54060, 55080, 57240, 61965, 64395, 64872, 72981, 74358, 77274, 81090, 82620, 85860, 87480, 97308, 99144, 103032, 108120, 115911, 121635, 123930, 128790, 145962, 148716, 154548, 162180, 165240, 171720, 185895, 193185, 194616, 218943, 231822, 243270, 247860, 257580, 291924, 297432, 309096, 324360, 364905, 371790, 386370, 437886, 463644, 486540, 495720, 515160, 579555, 583848, 656829, 729810, 743580, 772740, 875772, 927288, 973080, 1094715, 1159110, 1313658, 1459620, 1487160, 1545480, 1751544, 1970487, 2189430, 2318220, 2627316, 2919240, 3284145, 3940974, 4378860, 4636440, 5254632, 6568290, 7881948, 8757720, 9852435, 13136580, 15763896, 19704870, 26273160, 39409740, 78819480]

約数ペア:

[(1, 78819480), (2, 39409740), (3, 26273160), (4, 19704870), (5, 15763896), (6, 13136580), (8, 9852435), (9, 8757720), (10, 7881948), (12, 6568290), (15, 5254632), (17, 4636440), (18, 4378860), (20, 3940974), (24, 3284145), (27, 2919240), (30, 2627316), (34, 2318220), (36, 2189430), (40, 1970487), (45, 1751544), (51, 1545480), (53, 1487160), (54, 1459620), (60, 1313658), (68, 1159110), (72, 1094715), (81, 973080), (85, 927288), (90, 875772), (102, 772740), (106, 743580), (108, 729810), (120, 656829), (135, 583848), (136, 579555), (153, 515160), (159, 495720), (162, 486540), (170, 463644), (180, 437886), (204, 386370), (212, 371790), (216, 364905), (243, 324360), (255, 309096), (265, 297432), (270, 291924), (306, 257580), (318, 247860), (324, 243270), (340, 231822), (360, 218943), (405, 194616), (408, 193185), (424, 185895), (459, 171720), (477, 165240), (486, 162180), (510, 154548), (530, 148716), (540, 145962), (612, 128790), (636, 123930), (648, 121635), (680, 115911), (729, 108120), (765, 103032), (795, 99144), (810, 97308), (901, 87480), (918, 85860), (954, 82620), (972, 81090), (1020, 77274), (1060, 74358), (1080, 72981), (1215, 64872), (1224, 64395), (1272, 61965), (1377, 57240), (1431, 55080), (1458, 54060), (1530, 51516), (1590, 49572), (1620, 48654), (1802, 43740), (1836, 42930), (1908, 41310), (1944, 40545), (2040, 38637), (2120, 37179), (2187, 36040), (2295, 34344), (2385, 33048), (2430, 32436), (2703, 29160), (2754, 28620), (2862, 27540), (2916, 27030), (3060, 25758), (3180, 24786), (3240, 24327), (3604, 21870), (3645, 21624), (3672, 21465), (3816, 20655), (4131, 19080), (4293, 18360), (4374, 18020), (4505, 17496), (4590, 17172), (4770, 16524), (4860, 16218), (5406, 14580), (5508, 14310), (5724, 13770), (5832, 13515), (6120, 12879), (6360, 12393), (6885, 11448), (7155, 11016), (7208, 10935), (7290, 10812), (8109, 9720), (8262, 9540), (8586, 9180), (8748, 9010)]