660639168

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 252

約数和(自身を含む): 2235982320

約数和(自身を除く): 1575343152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 89, 96, 98, 112, 126, 144, 147, 168, 178, 192, 196, 224, 252, 263, 267, 288, 294, 336, 356, 392, 441, 448, 504, 526, 534, 576, 588, 623, 672, 712, 784, 789, 801, 882, 1008, 1052, 1068, 1176, 1246, 1344, 1424, 1568, 1578, 1602, 1764, 1841, 1869, 2016, 2104, 2136, 2352, 2367, 2492, 2848, 3136, 3156, 3204, 3528, 3682, 3738, 4032, 4208, 4272, 4361, 4704, 4734, 4984, 5523, 5607, 5696, 6312, 6408, 7056, 7364, 7476, 8416, 8544, 8722, 9408, 9468, 9968, 11046, 11214, 12624, 12816, 12887, 13083, 14112, 14728, 14952, 16569, 16832, 17088, 17444, 18936, 19936, 22092, 22428, 23407, 25248, 25632, 25774, 26166, 28224, 29456, 29904, 33138, 34888, 37872, 38661, 39249, 39872, 44184, 44856, 46814, 50496, 51264, 51548, 52332, 58912, 59808, 66276, 69776, 70221, 75744, 77322, 78498, 88368, 89712, 93628, 103096, 104664, 115983, 117824, 119616, 132552, 139552, 140442, 151488, 154644, 156996, 163849, 176736, 179424, 187256, 206192, 209328, 210663, 231966, 265104, 279104, 280884, 309288, 313992, 327698, 353472, 358848, 374512, 412384, 418656, 421326, 463932, 491547, 530208, 561768, 618576, 627984, 655396, 749024, 824768, 837312, 842652, 927864, 983094, 1060416, 1123536, 1146943, 1237152, 1255968, 1310792, 1474641, 1498048, 1685304, 1855728, 1966188, 2247072, 2293886, 2474304, 2511936, 2621584, 2949282, 3370608, 3440829, 3711456, 3932376, 4494144, 4587772, 5243168, 5898564, 6741216, 6881658, 7422912, 7864752, 9175544, 10322487, 10486336, 11797128, 13482432, 13763316, 15729504, 18351088, 20644974, 23594256, 27526632, 31459008, 36702176, 41289948, 47188512, 55053264, 73404352, 82579896, 94377024, 110106528, 165159792, 220213056, 330319584, 660639168]

約数ペア:

[(1, 660639168), (2, 330319584), (3, 220213056), (4, 165159792), (6, 110106528), (7, 94377024), (8, 82579896), (9, 73404352), (12, 55053264), (14, 47188512), (16, 41289948), (18, 36702176), (21, 31459008), (24, 27526632), (28, 23594256), (32, 20644974), (36, 18351088), (42, 15729504), (48, 13763316), (49, 13482432), (56, 11797128), (63, 10486336), (64, 10322487), (72, 9175544), (84, 7864752), (89, 7422912), (96, 6881658), (98, 6741216), (112, 5898564), (126, 5243168), (144, 4587772), (147, 4494144), (168, 3932376), (178, 3711456), (192, 3440829), (196, 3370608), (224, 2949282), (252, 2621584), (263, 2511936), (267, 2474304), (288, 2293886), (294, 2247072), (336, 1966188), (356, 1855728), (392, 1685304), (441, 1498048), (448, 1474641), (504, 1310792), (526, 1255968), (534, 1237152), (576, 1146943), (588, 1123536), (623, 1060416), (672, 983094), (712, 927864), (784, 842652), (789, 837312), (801, 824768), (882, 749024), (1008, 655396), (1052, 627984), (1068, 618576), (1176, 561768), (1246, 530208), (1344, 491547), (1424, 463932), (1568, 421326), (1578, 418656), (1602, 412384), (1764, 374512), (1841, 358848), (1869, 353472), (2016, 327698), (2104, 313992), (2136, 309288), (2352, 280884), (2367, 279104), (2492, 265104), (2848, 231966), (3136, 210663), (3156, 209328), (3204, 206192), (3528, 187256), (3682, 179424), (3738, 176736), (4032, 163849), (4208, 156996), (4272, 154644), (4361, 151488), (4704, 140442), (4734, 139552), (4984, 132552), (5523, 119616), (5607, 117824), (5696, 115983), (6312, 104664), (6408, 103096), (7056, 93628), (7364, 89712), (7476, 88368), (8416, 78498), (8544, 77322), (8722, 75744), (9408, 70221), (9468, 69776), (9968, 66276), (11046, 59808), (11214, 58912), (12624, 52332), (12816, 51548), (12887, 51264), (13083, 50496), (14112, 46814), (14728, 44856), (14952, 44184), (16569, 39872), (16832, 39249), (17088, 38661), (17444, 37872), (18936, 34888), (19936, 33138), (22092, 29904), (22428, 29456), (23407, 28224), (25248, 26166), (25632, 25774)]