1281061728

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:222

約数の個数: 288

約数和(自身を含む): 4012182720

約数和(自身を除く): 2731120992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 41, 46, 48, 53, 69, 72, 82, 89, 92, 96, 106, 123, 138, 144, 159, 164, 178, 184, 207, 212, 246, 267, 276, 288, 318, 328, 356, 368, 369, 414, 424, 477, 492, 534, 552, 636, 656, 712, 736, 738, 801, 828, 848, 943, 954, 984, 1068, 1104, 1219, 1272, 1312, 1424, 1476, 1602, 1656, 1696, 1886, 1908, 1968, 2047, 2136, 2173, 2208, 2438, 2544, 2829, 2848, 2952, 3204, 3312, 3649, 3657, 3772, 3816, 3936, 4094, 4272, 4346, 4717, 4876, 5088, 5658, 5904, 6141, 6408, 6519, 6624, 7298, 7314, 7544, 7632, 8188, 8487, 8544, 8692, 9434, 9752, 10947, 10971, 11316, 11808, 12282, 12816, 13038, 14151, 14596, 14628, 15088, 15264, 16376, 16974, 17384, 18423, 18868, 19504, 19557, 21894, 21942, 22632, 24564, 25632, 26076, 28302, 29192, 29256, 30176, 32752, 32841, 33948, 34768, 36846, 37736, 39008, 39114, 42453, 43788, 43884, 45264, 49128, 49979, 52152, 56604, 58384, 58512, 65504, 65682, 67896, 69536, 73692, 75472, 78228, 83927, 84906, 87576, 87768, 90528, 98256, 99958, 104304, 108491, 113208, 116768, 117024, 131364, 135792, 147384, 149937, 150944, 156456, 167854, 169812, 175152, 175536, 193397, 196512, 199916, 208608, 216982, 226416, 251781, 262728, 271584, 294768, 299874, 312912, 325473, 335708, 339624, 350304, 351072, 386794, 399832, 433964, 449811, 452832, 503562, 525456, 580191, 589536, 599748, 625824, 650946, 671416, 679248, 755343, 773588, 799664, 867928, 899622, 976419, 1007124, 1050912, 1160382, 1199496, 1301892, 1342832, 1358496, 1510686, 1547176, 1599328, 1735856, 1740573, 1799244, 1952838, 2014248, 2320764, 2398992, 2603784, 2685664, 3021372, 3094352, 3471712, 3481146, 3598488, 3905676, 4028496, 4448131, 4641528, 4797984, 5207568, 6042744, 6188704, 6962292, 7196976, 7811352, 8056992, 8896262, 9283056, 10415136, 12085488, 13344393, 13924584, 14393952, 15622704, 17792524, 18566112, 24170976, 26688786, 27849168, 31245408, 35585048, 40033179, 53377572, 55698336, 71170096, 80066358, 106755144, 142340192, 160132716, 213510288, 320265432, 427020576, 640530864, 1281061728]

約数ペア:

[(1, 1281061728), (2, 640530864), (3, 427020576), (4, 320265432), (6, 213510288), (8, 160132716), (9, 142340192), (12, 106755144), (16, 80066358), (18, 71170096), (23, 55698336), (24, 53377572), (32, 40033179), (36, 35585048), (41, 31245408), (46, 27849168), (48, 26688786), (53, 24170976), (69, 18566112), (72, 17792524), (82, 15622704), (89, 14393952), (92, 13924584), (96, 13344393), (106, 12085488), (123, 10415136), (138, 9283056), (144, 8896262), (159, 8056992), (164, 7811352), (178, 7196976), (184, 6962292), (207, 6188704), (212, 6042744), (246, 5207568), (267, 4797984), (276, 4641528), (288, 4448131), (318, 4028496), (328, 3905676), (356, 3598488), (368, 3481146), (369, 3471712), (414, 3094352), (424, 3021372), (477, 2685664), (492, 2603784), (534, 2398992), (552, 2320764), (636, 2014248), (656, 1952838), (712, 1799244), (736, 1740573), (738, 1735856), (801, 1599328), (828, 1547176), (848, 1510686), (943, 1358496), (954, 1342832), (984, 1301892), (1068, 1199496), (1104, 1160382), (1219, 1050912), (1272, 1007124), (1312, 976419), (1424, 899622), (1476, 867928), (1602, 799664), (1656, 773588), (1696, 755343), (1886, 679248), (1908, 671416), (1968, 650946), (2047, 625824), (2136, 599748), (2173, 589536), (2208, 580191), (2438, 525456), (2544, 503562), (2829, 452832), (2848, 449811), (2952, 433964), (3204, 399832), (3312, 386794), (3649, 351072), (3657, 350304), (3772, 339624), (3816, 335708), (3936, 325473), (4094, 312912), (4272, 299874), (4346, 294768), (4717, 271584), (4876, 262728), (5088, 251781), (5658, 226416), (5904, 216982), (6141, 208608), (6408, 199916), (6519, 196512), (6624, 193397), (7298, 175536), (7314, 175152), (7544, 169812), (7632, 167854), (8188, 156456), (8487, 150944), (8544, 149937), (8692, 147384), (9434, 135792), (9752, 131364), (10947, 117024), (10971, 116768), (11316, 113208), (11808, 108491), (12282, 104304), (12816, 99958), (13038, 98256), (14151, 90528), (14596, 87768), (14628, 87576), (15088, 84906), (15264, 83927), (16376, 78228), (16974, 75472), (17384, 73692), (18423, 69536), (18868, 67896), (19504, 65682), (19557, 65504), (21894, 58512), (21942, 58384), (22632, 56604), (24564, 52152), (25632, 49979), (26076, 49128), (28302, 45264), (29192, 43884), (29256, 43788), (30176, 42453), (32752, 39114), (32841, 39008), (33948, 37736), (34768, 36846)]