256333896

素因数分解:

$2^3\times 3^7\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 384

約数和(自身を含む): 942278400

約数和(自身を除く): 685944504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 23, 24, 26, 27, 28, 36, 39, 42, 46, 49, 52, 54, 56, 63, 69, 72, 78, 81, 84, 91, 92, 98, 104, 108, 117, 126, 138, 147, 156, 161, 162, 168, 182, 184, 189, 196, 207, 216, 234, 243, 252, 273, 276, 294, 299, 312, 322, 324, 351, 364, 378, 392, 414, 441, 468, 483, 486, 504, 546, 552, 567, 588, 598, 621, 637, 644, 648, 702, 728, 729, 756, 819, 828, 882, 897, 936, 966, 972, 1053, 1092, 1127, 1134, 1176, 1196, 1242, 1274, 1288, 1323, 1404, 1449, 1458, 1512, 1638, 1656, 1701, 1764, 1794, 1863, 1911, 1932, 1944, 2093, 2106, 2184, 2187, 2254, 2268, 2392, 2457, 2484, 2548, 2646, 2691, 2808, 2898, 2916, 3159, 3276, 3381, 3402, 3528, 3588, 3726, 3822, 3864, 3969, 4186, 4212, 4347, 4374, 4508, 4536, 4914, 4968, 5096, 5103, 5292, 5382, 5589, 5733, 5796, 5832, 6279, 6318, 6552, 6762, 6804, 7176, 7371, 7452, 7644, 7938, 8073, 8372, 8424, 8694, 8748, 9016, 9477, 9828, 10143, 10206, 10584, 10764, 11178, 11466, 11592, 11907, 12558, 12636, 13041, 13524, 13608, 14651, 14742, 14904, 15288, 15309, 15876, 16146, 16744, 16767, 17199, 17388, 17496, 18837, 18954, 19656, 20286, 20412, 21528, 22113, 22356, 22932, 23814, 24219, 25116, 25272, 26082, 27048, 28431, 29302, 29484, 30429, 30618, 31752, 32292, 33534, 34398, 34776, 35721, 37674, 37908, 39123, 40572, 40824, 43953, 44226, 44712, 45864, 47628, 48438, 50232, 50301, 51597, 52164, 56511, 56862, 58604, 58968, 60858, 61236, 64584, 66339, 67068, 68796, 71442, 72657, 75348, 75816, 78246, 81144, 87906, 88452, 91287, 95256, 96876, 100602, 103194, 104328, 107163, 113022, 113724, 117208, 117369, 121716, 122472, 131859, 132678, 134136, 137592, 142884, 145314, 150696, 154791, 156492, 169533, 175812, 176904, 182574, 193752, 199017, 201204, 206388, 214326, 217971, 226044, 227448, 234738, 243432, 263718, 265356, 273861, 285768, 290628, 309582, 312984, 339066, 351624, 352107, 365148, 395577, 398034, 402408, 412776, 428652, 435942, 452088, 464373, 469476, 508599, 527436, 530712, 547722, 581256, 619164, 653913, 678132, 704214, 730296, 791154, 796068, 821583, 857304, 871884, 928746, 938952, 1017198, 1054872, 1095444, 1186731, 1238328, 1307826, 1356264, 1393119, 1408428, 1525797, 1582308, 1592136, 1643166, 1743768, 1857492, 2034396, 2190888, 2373462, 2464749, 2615652, 2786238, 2816856, 3051594, 3164616, 3286332, 3560193, 3714984, 4068792, 4577391, 4746924, 4929498, 5231304, 5572476, 6103188, 6572664, 7120386, 9154782, 9493848, 9858996, 10680579, 11144952, 12206376, 14240772, 18309564, 19717992, 21361158, 28481544, 32041737, 36619128, 42722316, 64083474, 85444632, 128166948, 256333896]

約数ペア:

[(1, 256333896), (2, 128166948), (3, 85444632), (4, 64083474), (6, 42722316), (7, 36619128), (8, 32041737), (9, 28481544), (12, 21361158), (13, 19717992), (14, 18309564), (18, 14240772), (21, 12206376), (23, 11144952), (24, 10680579), (26, 9858996), (27, 9493848), (28, 9154782), (36, 7120386), (39, 6572664), (42, 6103188), (46, 5572476), (49, 5231304), (52, 4929498), (54, 4746924), (56, 4577391), (63, 4068792), (69, 3714984), (72, 3560193), (78, 3286332), (81, 3164616), (84, 3051594), (91, 2816856), (92, 2786238), (98, 2615652), (104, 2464749), (108, 2373462), (117, 2190888), (126, 2034396), (138, 1857492), (147, 1743768), (156, 1643166), (161, 1592136), (162, 1582308), (168, 1525797), (182, 1408428), (184, 1393119), (189, 1356264), (196, 1307826), (207, 1238328), (216, 1186731), (234, 1095444), (243, 1054872), (252, 1017198), (273, 938952), (276, 928746), (294, 871884), (299, 857304), (312, 821583), (322, 796068), (324, 791154), (351, 730296), (364, 704214), (378, 678132), (392, 653913), (414, 619164), (441, 581256), (468, 547722), (483, 530712), (486, 527436), (504, 508599), (546, 469476), (552, 464373), (567, 452088), (588, 435942), (598, 428652), (621, 412776), (637, 402408), (644, 398034), (648, 395577), (702, 365148), (728, 352107), (729, 351624), (756, 339066), (819, 312984), (828, 309582), (882, 290628), (897, 285768), (936, 273861), (966, 265356), (972, 263718), (1053, 243432), (1092, 234738), (1127, 227448), (1134, 226044), (1176, 217971), (1196, 214326), (1242, 206388), (1274, 201204), (1288, 199017), (1323, 193752), (1404, 182574), (1449, 176904), (1458, 175812), (1512, 169533), (1638, 156492), (1656, 154791), (1701, 150696), (1764, 145314), (1794, 142884), (1863, 137592), (1911, 134136), (1932, 132678), (1944, 131859), (2093, 122472), (2106, 121716), (2184, 117369), (2187, 117208), (2254, 113724), (2268, 113022), (2392, 107163), (2457, 104328), (2484, 103194), (2548, 100602), (2646, 96876), (2691, 95256), (2808, 91287), (2898, 88452), (2916, 87906), (3159, 81144), (3276, 78246), (3381, 75816), (3402, 75348), (3528, 72657), (3588, 71442), (3726, 68796), (3822, 67068), (3864, 66339), (3969, 64584), (4186, 61236), (4212, 60858), (4347, 58968), (4374, 58604), (4508, 56862), (4536, 56511), (4914, 52164), (4968, 51597), (5096, 50301), (5103, 50232), (5292, 48438), (5382, 47628), (5589, 45864), (5733, 44712), (5796, 44226), (5832, 43953), (6279, 40824), (6318, 40572), (6552, 39123), (6762, 37908), (6804, 37674), (7176, 35721), (7371, 34776), (7452, 34398), (7644, 33534), (7938, 32292), (8073, 31752), (8372, 30618), (8424, 30429), (8694, 29484), (8748, 29302), (9016, 28431), (9477, 27048), (9828, 26082), (10143, 25272), (10206, 25116), (10584, 24219), (10764, 23814), (11178, 22932), (11466, 22356), (11592, 22113), (11907, 21528), (12558, 20412), (12636, 20286), (13041, 19656), (13524, 18954), (13608, 18837), (14651, 17496), (14742, 17388), (14904, 17199), (15288, 16767), (15309, 16744), (15876, 16146)]