256413257856

素因数分解:

$2^7\times 3^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:229

約数の個数: 1024

約数和(自身を含む): 944262144000

約数和(自身を除く): 687848886144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 32, 36, 38, 42, 48, 54, 56, 57, 63, 64, 71, 72, 76, 81, 84, 96, 97, 108, 112, 114, 126, 128, 133, 142, 144, 152, 162, 168, 171, 189, 192, 194, 213, 216, 224, 228, 243, 252, 266, 284, 288, 291, 304, 324, 336, 342, 378, 384, 388, 399, 426, 432, 448, 456, 486, 497, 504, 513, 532, 567, 568, 576, 582, 608, 639, 648, 672, 679, 684, 729, 756, 776, 798, 852, 864, 873, 896, 912, 972, 994, 1008, 1026, 1064, 1134, 1136, 1152, 1164, 1197, 1216, 1278, 1296, 1344, 1349, 1358, 1368, 1458, 1491, 1512, 1539, 1552, 1596, 1701, 1704, 1728, 1746, 1824, 1843, 1917, 1944, 1988, 2016, 2037, 2052, 2128, 2187, 2268, 2272, 2328, 2394, 2432, 2556, 2592, 2619, 2688, 2698, 2716, 2736, 2916, 2982, 3024, 3078, 3104, 3192, 3402, 3408, 3456, 3492, 3591, 3648, 3686, 3834, 3888, 3976, 4032, 4047, 4074, 4104, 4256, 4374, 4473, 4536, 4544, 4617, 4656, 4788, 5103, 5112, 5184, 5238, 5396, 5432, 5472, 5529, 5751, 5832, 5964, 6048, 6111, 6156, 6208, 6384, 6804, 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約数ペア:

[(1, 256413257856), (2, 128206628928), (3, 85471085952), (4, 64103314464), (6, 42735542976), (7, 36630465408), (8, 32051657232), (9, 28490361984), (12, 21367771488), (14, 18315232704), (16, 16025828616), (18, 14245180992), (19, 13495434624), (21, 12210155136), (24, 10683885744), (27, 9496787328), (28, 9157616352), (32, 8012914308), (36, 7122590496), (38, 6747717312), (42, 6105077568), (48, 5341942872), (54, 4748393664), (56, 4578808176), (57, 4498478208), (63, 4070051712), (64, 4006457154), (71, 3611454336), (72, 3561295248), (76, 3373858656), (81, 3165595776), (84, 3052538784), (96, 2670971436), (97, 2643435648), (108, 2374196832), (112, 2289404088), (114, 2249239104), (126, 2035025856), (128, 2003228577), (133, 1927919232), (142, 1805727168), (144, 1780647624), (152, 1686929328), (162, 1582797888), (168, 1526269392), (171, 1499492736), (189, 1356683904), (192, 1335485718), (194, 1321717824), (213, 1203818112), (216, 1187098416), (224, 1144702044), (228, 1124619552), (243, 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(49248, 5206572), (49761, 5152896), (51072, 5020623), (51604, 4968864), (51759, 4953984), (53676, 4777056), (54432, 4710708), (54999, 4662144), (55096, 4653936), (55404, 4628064), (55872, 4589298), (56658, 4525632), (57456, 4462776), (58976, 4347756), (61236, 4187296), (61344, 4179924), (61983, 4136832), (62856, 4079376), (63616, 4030641), (64638, 3966912), (64752, 3959928), (65184, 3933684), (65664, 3904929), (66348, 3864672), (69012, 3715488), (69984, 3663884), (70713, 3626112), (71568, 3582792), (72576, 3533031), (72846, 3519936), (73332, 3496608), (73872, 3471048), (75544, 3394224), (76608, 3347082), (77406, 3312576), (80514, 3184704), (81648, 3140472), (81792, 3134943), (82644, 3102624), (83106, 3085376), (83808, 3059532), (84987, 3017088), (86184, 2975184), (86336, 2969946), (86912, 2950263), (88464, 2898504), (92016, 2786616), (93312, 2747913), (94284, 2719584), (95424, 2687094), (96418, 2659392), (96957, 2644608), (97128, 2639952), (97776, 2622456), (98496, 2603286), (99522, 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