256257456

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:101

約数の個数: 360

約数和(自身を含む): 911347920

約数和(自身を除く): 655090464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 29, 34, 39, 42, 48, 49, 51, 52, 56, 58, 68, 78, 84, 87, 91, 98, 102, 104, 112, 116, 119, 136, 147, 156, 168, 174, 182, 196, 203, 204, 208, 221, 232, 238, 272, 273, 289, 294, 312, 336, 348, 357, 364, 377, 392, 406, 408, 442, 464, 476, 493, 546, 578, 588, 609, 624, 637, 663, 696, 714, 728, 754, 784, 812, 816, 833, 867, 884, 952, 986, 1092, 1131, 1156, 1176, 1218, 1274, 1326, 1392, 1421, 1428, 1456, 1479, 1508, 1547, 1624, 1666, 1734, 1768, 1904, 1911, 1972, 2023, 2184, 2262, 2312, 2352, 2436, 2499, 2548, 2639, 2652, 2842, 2856, 2958, 3016, 3094, 3248, 3332, 3451, 3468, 3536, 3757, 3822, 3944, 4046, 4263, 4368, 4524, 4624, 4641, 4872, 4998, 5096, 5278, 5304, 5684, 5712, 5916, 6032, 6069, 6188, 6409, 6664, 6902, 6936, 7514, 7644, 7888, 7917, 8092, 8381, 8526, 9048, 9282, 9744, 9996, 10192, 10353, 10556, 10608, 10829, 11271, 11368, 11832, 12138, 12376, 12818, 13328, 13804, 13872, 14161, 15028, 15288, 15834, 16184, 16762, 17052, 18096, 18473, 18564, 19227, 19992, 20706, 21112, 21658, 22542, 22736, 23664, 24157, 24276, 24752, 25143, 25636, 26299, 27608, 28322, 30056, 30576, 31668, 32368, 32487, 33524, 34104, 36946, 37128, 38454, 39984, 41412, 42224, 42483, 43316, 44863, 45084, 48314, 48552, 50286, 51272, 52598, 55216, 55419, 56644, 58667, 60112, 63336, 64974, 67048, 68208, 72471, 73892, 74256, 76908, 78897, 82824, 84966, 86632, 89726, 90168, 96628, 97104, 100572, 102544, 105196, 108953, 110838, 113288, 117334, 126672, 129948, 134096, 134589, 144942, 147784, 153816, 157794, 165648, 169932, 173264, 176001, 179452, 180336, 184093, 193256, 201144, 210392, 217906, 221676, 226576, 234668, 259896, 269178, 289884, 295568, 307632, 314041, 315588, 326859, 339864, 352002, 358904, 368186, 386512, 402288, 410669, 420784, 435812, 443352, 469336, 519792, 538356, 552279, 579768, 628082, 631176, 653718, 679728, 704004, 717808, 736372, 762671, 821338, 871624, 886704, 938672, 942123, 1076712, 1104558, 1159536, 1232007, 1256164, 1262352, 1307436, 1408008, 1472744, 1525342, 1642676, 1743248, 1884246, 2153424, 2209116, 2288013, 2464014, 2512328, 2614872, 2816016, 2945488, 3050684, 3285352, 3768492, 4418232, 4576026, 4928028, 5024656, 5229744, 5338697, 6101368, 6570704, 7536984, 8836464, 9152052, 9856056, 10677394, 12202736, 15073968, 16016091, 18304104, 19712112, 21354788, 32032182, 36608208, 42709576, 64064364, 85419152, 128128728, 256257456]

約数ペア:

[(1, 256257456), (2, 128128728), (3, 85419152), (4, 64064364), (6, 42709576), (7, 36608208), (8, 32032182), (12, 21354788), (13, 19712112), (14, 18304104), (16, 16016091), (17, 15073968), (21, 12202736), (24, 10677394), (26, 9856056), (28, 9152052), (29, 8836464), (34, 7536984), (39, 6570704), (42, 6101368), (48, 5338697), (49, 5229744), (51, 5024656), (52, 4928028), (56, 4576026), (58, 4418232), (68, 3768492), (78, 3285352), (84, 3050684), (87, 2945488), (91, 2816016), (98, 2614872), (102, 2512328), (104, 2464014), (112, 2288013), (116, 2209116), (119, 2153424), (136, 1884246), (147, 1743248), (156, 1642676), (168, 1525342), (174, 1472744), (182, 1408008), (196, 1307436), (203, 1262352), (204, 1256164), (208, 1232007), (221, 1159536), (232, 1104558), (238, 1076712), (272, 942123), (273, 938672), (289, 886704), (294, 871624), (312, 821338), (336, 762671), (348, 736372), (357, 717808), (364, 704004), (377, 679728), (392, 653718), (406, 631176), (408, 628082), (442, 579768), (464, 552279), (476, 538356), (493, 519792), (546, 469336), (578, 443352), (588, 435812), (609, 420784), (624, 410669), (637, 402288), (663, 386512), (696, 368186), (714, 358904), (728, 352002), (754, 339864), (784, 326859), (812, 315588), (816, 314041), (833, 307632), (867, 295568), (884, 289884), (952, 269178), (986, 259896), (1092, 234668), (1131, 226576), (1156, 221676), (1176, 217906), (1218, 210392), (1274, 201144), (1326, 193256), (1392, 184093), (1421, 180336), (1428, 179452), (1456, 176001), (1479, 173264), (1508, 169932), (1547, 165648), (1624, 157794), (1666, 153816), (1734, 147784), (1768, 144942), (1904, 134589), (1911, 134096), (1972, 129948), (2023, 126672), (2184, 117334), (2262, 113288), (2312, 110838), (2352, 108953), (2436, 105196), (2499, 102544), (2548, 100572), (2639, 97104), (2652, 96628), (2842, 90168), (2856, 89726), (2958, 86632), (3016, 84966), (3094, 82824), (3248, 78897), (3332, 76908), (3451, 74256), (3468, 73892), (3536, 72471), (3757, 68208), (3822, 67048), (3944, 64974), (4046, 63336), (4263, 60112), (4368, 58667), (4524, 56644), (4624, 55419), (4641, 55216), (4872, 52598), (4998, 51272), (5096, 50286), (5278, 48552), (5304, 48314), (5684, 45084), (5712, 44863), (5916, 43316), (6032, 42483), (6069, 42224), (6188, 41412), (6409, 39984), (6664, 38454), (6902, 37128), (6936, 36946), (7514, 34104), (7644, 33524), (7888, 32487), (7917, 32368), (8092, 31668), (8381, 30576), (8526, 30056), (9048, 28322), (9282, 27608), (9744, 26299), (9996, 25636), (10192, 25143), (10353, 24752), (10556, 24276), (10608, 24157), (10829, 23664), (11271, 22736), (11368, 22542), (11832, 21658), (12138, 21112), (12376, 20706), (12818, 19992), (13328, 19227), (13804, 18564), (13872, 18473), (14161, 18096), (15028, 17052), (15288, 16762), (15834, 16184)]