81008928

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:328

約数の個数: 288

約数和(自身を含む): 310407552

約数和(自身を除く): 229398624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 18, 21, 22, 24, 26, 28, 32, 33, 36, 39, 42, 44, 48, 52, 56, 63, 66, 72, 77, 78, 84, 88, 91, 96, 99, 104, 112, 117, 126, 132, 143, 144, 154, 156, 168, 176, 182, 198, 208, 224, 231, 234, 252, 264, 273, 281, 286, 288, 308, 312, 336, 352, 364, 396, 416, 429, 462, 468, 504, 528, 546, 562, 572, 616, 624, 672, 693, 728, 792, 819, 843, 858, 924, 936, 1001, 1008, 1056, 1092, 1124, 1144, 1232, 1248, 1287, 1386, 1456, 1584, 1638, 1686, 1716, 1848, 1872, 1967, 2002, 2016, 2184, 2248, 2288, 2464, 2529, 2574, 2772, 2912, 3003, 3091, 3168, 3276, 3372, 3432, 3653, 3696, 3744, 3934, 4004, 4368, 4496, 4576, 5058, 5148, 5544, 5901, 6006, 6182, 6552, 6744, 6864, 7306, 7392, 7868, 8008, 8736, 8992, 9009, 9273, 10116, 10296, 10959, 11088, 11802, 12012, 12364, 13104, 13488, 13728, 14612, 15736, 16016, 17703, 18018, 18546, 20232, 20592, 21637, 21918, 22176, 23604, 24024, 24728, 25571, 26208, 26976, 27819, 29224, 31472, 32032, 32877, 35406, 36036, 37092, 40183, 40464, 41184, 43274, 43836, 47208, 48048, 49456, 51142, 55638, 58448, 62944, 64911, 65754, 70812, 72072, 74184, 76713, 80366, 80928, 86548, 87672, 94416, 96096, 98912, 102284, 111276, 116896, 120549, 129822, 131508, 141624, 144144, 148368, 153426, 160732, 173096, 175344, 188832, 194733, 204568, 222552, 230139, 241098, 259644, 263016, 281281, 283248, 288288, 296736, 306852, 321464, 346192, 350688, 361647, 389466, 409136, 445104, 460278, 482196, 519288, 526032, 562562, 566496, 613704, 642928, 692384, 723294, 778932, 818272, 843843, 890208, 920556, 964392, 1038576, 1052064, 1125124, 1227408, 1285856, 1446588, 1557864, 1687686, 1841112, 1928784, 2077152, 2250248, 2454816, 2531529, 2893176, 3115728, 3375372, 3682224, 3857568, 4500496, 5063058, 5786352, 6231456, 6750744, 7364448, 9000992, 10126116, 11572704, 13501488, 20252232, 27002976, 40504464, 81008928]

約数ペア:

[(1, 81008928), (2, 40504464), (3, 27002976), (4, 20252232), (6, 13501488), (7, 11572704), (8, 10126116), (9, 9000992), (11, 7364448), (12, 6750744), (13, 6231456), (14, 5786352), (16, 5063058), (18, 4500496), (21, 3857568), (22, 3682224), (24, 3375372), (26, 3115728), (28, 2893176), (32, 2531529), (33, 2454816), (36, 2250248), (39, 2077152), (42, 1928784), (44, 1841112), (48, 1687686), (52, 1557864), (56, 1446588), (63, 1285856), (66, 1227408), (72, 1125124), (77, 1052064), (78, 1038576), (84, 964392), (88, 920556), (91, 890208), (96, 843843), (99, 818272), (104, 778932), (112, 723294), (117, 692384), (126, 642928), (132, 613704), (143, 566496), (144, 562562), (154, 526032), (156, 519288), (168, 482196), (176, 460278), (182, 445104), (198, 409136), (208, 389466), (224, 361647), (231, 350688), (234, 346192), (252, 321464), (264, 306852), (273, 296736), (281, 288288), (286, 283248), (288, 281281), (308, 263016), (312, 259644), (336, 241098), (352, 230139), (364, 222552), (396, 204568), (416, 194733), (429, 188832), (462, 175344), (468, 173096), (504, 160732), (528, 153426), (546, 148368), (562, 144144), (572, 141624), (616, 131508), (624, 129822), (672, 120549), (693, 116896), (728, 111276), (792, 102284), (819, 98912), (843, 96096), (858, 94416), (924, 87672), (936, 86548), (1001, 80928), (1008, 80366), (1056, 76713), (1092, 74184), (1124, 72072), (1144, 70812), (1232, 65754), (1248, 64911), (1287, 62944), (1386, 58448), (1456, 55638), (1584, 51142), (1638, 49456), (1686, 48048), (1716, 47208), (1848, 43836), (1872, 43274), (1967, 41184), (2002, 40464), (2016, 40183), (2184, 37092), (2248, 36036), (2288, 35406), (2464, 32877), (2529, 32032), (2574, 31472), (2772, 29224), (2912, 27819), (3003, 26976), (3091, 26208), (3168, 25571), (3276, 24728), (3372, 24024), (3432, 23604), (3653, 22176), (3696, 21918), (3744, 21637), (3934, 20592), (4004, 20232), (4368, 18546), (4496, 18018), (4576, 17703), (5058, 16016), (5148, 15736), (5544, 14612), (5901, 13728), (6006, 13488), (6182, 13104), (6552, 12364), (6744, 12012), (6864, 11802), (7306, 11088), (7392, 10959), (7868, 10296), (8008, 10116), (8736, 9273), (8992, 9009)]