257323248

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:376

約数の個数: 240

約数和(自身を含む): 901817280

約数和(自身を除く): 644494032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 73, 78, 84, 91, 104, 112, 117, 126, 144, 146, 156, 168, 182, 208, 219, 234, 252, 269, 273, 292, 312, 336, 364, 438, 468, 504, 511, 538, 546, 584, 624, 657, 728, 807, 819, 876, 936, 949, 1008, 1022, 1076, 1092, 1168, 1314, 1456, 1533, 1614, 1638, 1752, 1872, 1883, 1898, 2044, 2152, 2184, 2421, 2628, 2847, 3066, 3228, 3276, 3497, 3504, 3766, 3796, 4088, 4304, 4368, 4599, 4842, 5256, 5649, 5694, 6132, 6456, 6552, 6643, 6994, 7532, 7592, 8176, 8541, 9198, 9684, 10491, 10512, 11298, 11388, 12264, 12912, 13104, 13286, 13988, 15064, 15184, 16947, 17082, 18396, 19368, 19637, 19929, 20982, 22596, 22776, 24479, 24528, 26572, 27976, 30128, 31473, 33894, 34164, 36792, 38736, 39274, 39858, 41964, 45192, 45552, 48958, 53144, 55952, 58911, 59787, 62946, 67788, 68328, 73437, 73584, 78548, 79716, 83928, 90384, 97916, 106288, 117822, 119574, 125892, 135576, 136656, 137459, 146874, 157096, 159432, 167856, 176733, 195832, 220311, 235644, 239148, 251784, 255281, 271152, 274918, 293748, 314192, 318864, 353466, 391664, 412377, 440622, 471288, 478296, 503568, 510562, 549836, 587496, 706932, 765843, 824754, 881244, 942576, 956592, 1021124, 1099672, 1174992, 1237131, 1413864, 1531686, 1649508, 1762488, 1786967, 2042248, 2199344, 2297529, 2474262, 2827728, 3063372, 3299016, 3524976, 3573934, 4084496, 4595058, 4948524, 5360901, 6126744, 6598032, 7147868, 9190116, 9897048, 10721802, 12253488, 14295736, 16082703, 18380232, 19794096, 21443604, 28591472, 32165406, 36760464, 42887208, 64330812, 85774416, 128661624, 257323248]

約数ペア:

[(1, 257323248), (2, 128661624), (3, 85774416), (4, 64330812), (6, 42887208), (7, 36760464), (8, 32165406), (9, 28591472), (12, 21443604), (13, 19794096), (14, 18380232), (16, 16082703), (18, 14295736), (21, 12253488), (24, 10721802), (26, 9897048), (28, 9190116), (36, 7147868), (39, 6598032), (42, 6126744), (48, 5360901), (52, 4948524), (56, 4595058), (63, 4084496), (72, 3573934), (73, 3524976), (78, 3299016), (84, 3063372), (91, 2827728), (104, 2474262), (112, 2297529), (117, 2199344), (126, 2042248), (144, 1786967), (146, 1762488), (156, 1649508), (168, 1531686), (182, 1413864), (208, 1237131), (219, 1174992), (234, 1099672), (252, 1021124), (269, 956592), (273, 942576), (292, 881244), (312, 824754), (336, 765843), (364, 706932), (438, 587496), (468, 549836), (504, 510562), (511, 503568), (538, 478296), (546, 471288), (584, 440622), (624, 412377), (657, 391664), (728, 353466), (807, 318864), (819, 314192), (876, 293748), (936, 274918), (949, 271152), (1008, 255281), (1022, 251784), (1076, 239148), (1092, 235644), (1168, 220311), (1314, 195832), (1456, 176733), (1533, 167856), (1614, 159432), (1638, 157096), (1752, 146874), (1872, 137459), (1883, 136656), (1898, 135576), (2044, 125892), (2152, 119574), (2184, 117822), (2421, 106288), (2628, 97916), (2847, 90384), (3066, 83928), (3228, 79716), (3276, 78548), (3497, 73584), (3504, 73437), (3766, 68328), (3796, 67788), (4088, 62946), (4304, 59787), (4368, 58911), (4599, 55952), (4842, 53144), (5256, 48958), (5649, 45552), (5694, 45192), (6132, 41964), (6456, 39858), (6552, 39274), (6643, 38736), (6994, 36792), (7532, 34164), (7592, 33894), (8176, 31473), (8541, 30128), (9198, 27976), (9684, 26572), (10491, 24528), (10512, 24479), (11298, 22776), (11388, 22596), (12264, 20982), (12912, 19929), (13104, 19637), (13286, 19368), (13988, 18396), (15064, 17082), (15184, 16947)]