256796064

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:648

約数の個数: 216

約数和(自身を含む): 878387328

約数和(自身を除く): 621591264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 49, 56, 62, 63, 72, 84, 93, 96, 98, 112, 124, 126, 144, 147, 168, 186, 196, 217, 224, 248, 252, 279, 288, 294, 336, 372, 392, 434, 441, 496, 504, 558, 587, 588, 651, 672, 744, 784, 868, 882, 992, 1008, 1116, 1174, 1176, 1302, 1488, 1519, 1568, 1736, 1761, 1764, 1953, 2016, 2232, 2348, 2352, 2604, 2976, 3038, 3472, 3522, 3528, 3906, 4109, 4464, 4557, 4696, 4704, 5208, 5283, 6076, 6944, 7044, 7056, 7812, 8218, 8928, 9114, 9392, 10416, 10566, 12152, 12327, 13671, 14088, 14112, 15624, 16436, 18197, 18228, 18784, 20832, 21132, 24304, 24654, 27342, 28176, 28763, 31248, 32872, 36394, 36456, 36981, 42264, 48608, 49308, 54591, 54684, 56352, 57526, 62496, 65744, 72788, 72912, 73962, 84528, 86289, 98616, 109182, 109368, 115052, 127379, 131488, 145576, 145824, 147924, 163773, 169056, 172578, 197232, 218364, 218736, 230104, 254758, 258867, 291152, 295848, 327546, 345156, 382137, 394464, 436728, 437472, 460208, 509516, 517734, 582304, 591696, 655092, 690312, 764274, 873456, 891653, 920416, 1019032, 1035468, 1146411, 1183392, 1310184, 1380624, 1528548, 1746912, 1783306, 2038064, 2070936, 2292822, 2620368, 2674959, 2761248, 3057096, 3566612, 4076128, 4141872, 4585644, 5240736, 5349918, 6114192, 7133224, 8024877, 8283744, 9171288, 10699836, 12228384, 14266448, 16049754, 18342576, 21399672, 28532896, 32099508, 36685152, 42799344, 64199016, 85598688, 128398032, 256796064]

約数ペア:

[(1, 256796064), (2, 128398032), (3, 85598688), (4, 64199016), (6, 42799344), (7, 36685152), (8, 32099508), (9, 28532896), (12, 21399672), (14, 18342576), (16, 16049754), (18, 14266448), (21, 12228384), (24, 10699836), (28, 9171288), (31, 8283744), (32, 8024877), (36, 7133224), (42, 6114192), (48, 5349918), (49, 5240736), (56, 4585644), (62, 4141872), (63, 4076128), (72, 3566612), (84, 3057096), (93, 2761248), (96, 2674959), (98, 2620368), (112, 2292822), (124, 2070936), (126, 2038064), (144, 1783306), (147, 1746912), (168, 1528548), (186, 1380624), (196, 1310184), (217, 1183392), (224, 1146411), (248, 1035468), (252, 1019032), (279, 920416), (288, 891653), (294, 873456), (336, 764274), (372, 690312), (392, 655092), (434, 591696), (441, 582304), (496, 517734), (504, 509516), (558, 460208), (587, 437472), (588, 436728), (651, 394464), (672, 382137), (744, 345156), (784, 327546), (868, 295848), (882, 291152), (992, 258867), (1008, 254758), (1116, 230104), (1174, 218736), (1176, 218364), (1302, 197232), (1488, 172578), (1519, 169056), (1568, 163773), (1736, 147924), (1761, 145824), (1764, 145576), (1953, 131488), (2016, 127379), (2232, 115052), (2348, 109368), (2352, 109182), (2604, 98616), (2976, 86289), (3038, 84528), (3472, 73962), (3522, 72912), (3528, 72788), (3906, 65744), (4109, 62496), (4464, 57526), (4557, 56352), (4696, 54684), (4704, 54591), (5208, 49308), (5283, 48608), (6076, 42264), (6944, 36981), (7044, 36456), (7056, 36394), (7812, 32872), (8218, 31248), (8928, 28763), (9114, 28176), (9392, 27342), (10416, 24654), (10566, 24304), (12152, 21132), (12327, 20832), (13671, 18784), (14088, 18228), (14112, 18197), (15624, 16436)]