81985252608

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163981}}^1$

素因数の和:164041

約数の個数: 216

約数和(自身を含む): 278869101056

約数和(自身を除く): 196883848448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 256, 279, 288, 336, 372, 384, 434, 448, 496, 504, 558, 576, 651, 672, 744, 768, 868, 896, 992, 1008, 1116, 1152, 1302, 1344, 1488, 1736, 1792, 1953, 1984, 2016, 2232, 2304, 2604, 2688, 2976, 3472, 3906, 3968, 4032, 4464, 5208, 5376, 5952, 6944, 7812, 7936, 8064, 8928, 10416, 11904, 13888, 15624, 16128, 17856, 20832, 23808, 27776, 31248, 35712, 41664, 55552, 62496, 71424, 83328, 124992, 163981, 166656, 249984, 327962, 491943, 499968, 655924, 983886, 1147867, 1311848, 1475829, 1967772, 2295734, 2623696, 2951658, 3443601, 3935544, 4591468, 5083411, 5247392, 5903316, 6887202, 7871088, 9182936, 10166822, 10330803, 10494784, 11806632, 13774404, 15250233, 15742176, 18365872, 20333644, 20661606, 20989568, 23613264, 27548808, 30500466, 31484352, 35583877, 36731744, 40667288, 41323212, 41979136, 45750699, 47226528, 55097616, 61000932, 62968704, 71167754, 73463488, 81334576, 82646424, 91501398, 94453056, 106751631, 110195232, 122001864, 125937408, 142335508, 146926976, 162669152, 165292848, 183002796, 188906112, 213503262, 220390464, 244003728, 284671016, 293853952, 320254893, 325338304, 330585696, 366005592, 377812224, 427006524, 440780928, 488007456, 569342032, 640509786, 650676608, 661171392, 732011184, 854013048, 881561856, 976014912, 1138684064, 1281019572, 1301353216, 1322342784, 1464022368, 1708026096, 1952029824, 2277368128, 2562039144, 2644685568, 2928044736, 3416052192, 3904059648, 4554736256, 5124078288, 5856089472, 6832104384, 9109472512, 10248156576, 11712178944, 13664208768, 20496313152, 27328417536, 40992626304, 81985252608]

約数ペア:

[(1, 81985252608), (2, 40992626304), (3, 27328417536), (4, 20496313152), (6, 13664208768), (7, 11712178944), (8, 10248156576), (9, 9109472512), (12, 6832104384), (14, 5856089472), (16, 5124078288), (18, 4554736256), (21, 3904059648), (24, 3416052192), (28, 2928044736), (31, 2644685568), (32, 2562039144), (36, 2277368128), (42, 1952029824), (48, 1708026096), (56, 1464022368), (62, 1322342784), (63, 1301353216), (64, 1281019572), (72, 1138684064), (84, 976014912), (93, 881561856), (96, 854013048), (112, 732011184), (124, 661171392), (126, 650676608), (128, 640509786), (144, 569342032), (168, 488007456), (186, 440780928), (192, 427006524), (217, 377812224), (224, 366005592), (248, 330585696), (252, 325338304), (256, 320254893), (279, 293853952), (288, 284671016), (336, 244003728), (372, 220390464), (384, 213503262), (434, 188906112), (448, 183002796), (496, 165292848), (504, 162669152), (558, 146926976), (576, 142335508), (651, 125937408), (672, 122001864), (744, 110195232), (768, 106751631), (868, 94453056), (896, 91501398), (992, 82646424), (1008, 81334576), (1116, 73463488), (1152, 71167754), (1302, 62968704), (1344, 61000932), (1488, 55097616), (1736, 47226528), (1792, 45750699), (1953, 41979136), (1984, 41323212), (2016, 40667288), (2232, 36731744), (2304, 35583877), (2604, 31484352), (2688, 30500466), (2976, 27548808), (3472, 23613264), (3906, 20989568), (3968, 20661606), (4032, 20333644), (4464, 18365872), (5208, 15742176), (5376, 15250233), (5952, 13774404), (6944, 11806632), (7812, 10494784), (7936, 10330803), (8064, 10166822), (8928, 9182936), (10416, 7871088), (11904, 6887202), (13888, 5903316), (15624, 5247392), (16128, 5083411), (17856, 4591468), (20832, 3935544), (23808, 3443601), (27776, 2951658), (31248, 2623696), (35712, 2295734), (41664, 1967772), (55552, 1475829), (62496, 1311848), (71424, 1147867), (83328, 983886), (124992, 655924), (163981, 499968), (166656, 491943), (249984, 327962)]