1991810016

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 432

約数和(自身を含む): 7080877440

約数和(自身を除く): 5089067424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 31, 32, 36, 42, 48, 49, 56, 58, 62, 63, 72, 84, 87, 93, 96, 98, 112, 116, 124, 126, 144, 147, 157, 168, 174, 186, 196, 203, 217, 224, 232, 248, 252, 261, 279, 288, 294, 314, 336, 348, 372, 392, 406, 434, 441, 464, 471, 496, 504, 522, 558, 588, 609, 628, 651, 672, 696, 744, 784, 812, 868, 882, 899, 928, 942, 992, 1008, 1044, 1099, 1116, 1176, 1218, 1256, 1302, 1392, 1413, 1421, 1488, 1519, 1568, 1624, 1736, 1764, 1798, 1827, 1884, 1953, 2016, 2088, 2198, 2232, 2352, 2436, 2512, 2604, 2697, 2784, 2826, 2842, 2976, 3038, 3248, 3297, 3472, 3528, 3596, 3654, 3768, 3906, 4176, 4263, 4396, 4464, 4553, 4557, 4704, 4867, 4872, 5024, 5208, 5394, 5652, 5684, 6076, 6293, 6496, 6594, 6944, 7056, 7192, 7308, 7536, 7693, 7812, 8091, 8352, 8526, 8792, 8928, 9106, 9114, 9734, 9744, 9891, 10416, 10788, 11304, 11368, 12152, 12586, 12789, 13188, 13659, 13671, 14112, 14384, 14601, 14616, 15072, 15386, 15624, 16182, 17052, 17584, 18212, 18228, 18879, 19468, 19488, 19782, 20832, 21576, 22608, 22736, 23079, 24304, 25172, 25578, 26376, 27318, 27342, 28768, 29202, 29232, 30772, 31248, 31871, 32364, 34069, 34104, 35168, 36424, 36456, 37758, 38936, 39564, 40977, 43152, 43803, 44051, 45216, 45472, 46158, 48608, 50344, 51156, 52752, 54636, 54684, 56637, 58404, 58464, 61544, 62496, 63742, 64728, 68138, 68208, 69237, 72848, 72912, 75516, 77872, 79128, 81954, 86304, 87606, 88102, 92316, 95613, 100688, 102207, 102312, 105504, 109272, 109368, 113274, 116808, 123088, 127484, 129456, 132153, 136276, 136416, 138474, 141143, 145696, 145824, 151032, 155744, 158256, 163908, 175212, 176204, 184632, 191226, 201376, 204414, 204624, 218544, 218736, 223097, 226548, 233616, 238483, 246176, 254968, 258912, 264306, 272552, 276948, 282286, 286839, 302064, 306621, 316512, 327816, 350424, 352408, 369264, 382452, 396459, 408828, 409248, 423429, 437088, 437472, 446194, 453096, 467232, 476966, 509936, 528612, 545104, 553896, 564572, 573678, 604128, 613242, 655632, 669291, 700848, 704816, 715449, 738528, 764904, 792918, 817656, 846858, 892388, 906192, 953932, 988001, 1019872, 1057224, 1090208, 1107792, 1129144, 1147356, 1226484, 1270287, 1311264, 1338582, 1401696, 1409632, 1430898, 1529808, 1585836, 1635312, 1693716, 1784776, 1812384, 1907864, 1976002, 2007873, 2114448, 2146347, 2215584, 2258288, 2294712, 2452968, 2540574, 2677164, 2861796, 2964003, 3059616, 3171672, 3270624, 3387432, 3569552, 3815728, 3952004, 4015746, 4228896, 4292694, 4516576, 4589424, 4905936, 5081148, 5354328, 5723592, 5928006, 6343344, 6774864, 6916007, 7139104, 7631456, 7904008, 8031492, 8585388, 8892009, 9178848, 9811872, 10162296, 10708656, 11447184, 11856012, 12686688, 13549728, 13832014, 15808016, 16062984, 17170776, 17784018, 20324592, 20748021, 21417312, 22894368, 23712024, 27664028, 31616032, 32125968, 34341552, 35568036, 40649184, 41496042, 47424048, 55328056, 62244063, 64251936, 68683104, 71136072, 82992084, 94848096, 110656112, 124488126, 142272144, 165984168, 221312224, 248976252, 284544288, 331968336, 497952504, 663936672, 995905008, 1991810016]

約数ペア:

[(1, 1991810016), (2, 995905008), (3, 663936672), (4, 497952504), (6, 331968336), (7, 284544288), (8, 248976252), (9, 221312224), (12, 165984168), (14, 142272144), (16, 124488126), (18, 110656112), (21, 94848096), (24, 82992084), (28, 71136072), (29, 68683104), (31, 64251936), (32, 62244063), (36, 55328056), (42, 47424048), (48, 41496042), (49, 40649184), (56, 35568036), (58, 34341552), (62, 32125968), (63, 31616032), (72, 27664028), (84, 23712024), (87, 22894368), (93, 21417312), (96, 20748021), (98, 20324592), (112, 17784018), (116, 17170776), (124, 16062984), (126, 15808016), (144, 13832014), (147, 13549728), (157, 12686688), (168, 11856012), (174, 11447184), (186, 10708656), (196, 10162296), (203, 9811872), (217, 9178848), (224, 8892009), (232, 8585388), (248, 8031492), (252, 7904008), (261, 7631456), (279, 7139104), (288, 6916007), (294, 6774864), (314, 6343344), (336, 5928006), (348, 5723592), (372, 5354328), (392, 5081148), (406, 4905936), (434, 4589424), (441, 4516576), (464, 4292694), (471, 4228896), (496, 4015746), (504, 3952004), (522, 3815728), (558, 3569552), (588, 3387432), (609, 3270624), (628, 3171672), (651, 3059616), (672, 2964003), (696, 2861796), (744, 2677164), (784, 2540574), (812, 2452968), (868, 2294712), (882, 2258288), (899, 2215584), (928, 2146347), (942, 2114448), (992, 2007873), (1008, 1976002), (1044, 1907864), (1099, 1812384), (1116, 1784776), (1176, 1693716), (1218, 1635312), (1256, 1585836), (1302, 1529808), (1392, 1430898), (1413, 1409632), (1421, 1401696), (1488, 1338582), (1519, 1311264), (1568, 1270287), (1624, 1226484), (1736, 1147356), (1764, 1129144), (1798, 1107792), (1827, 1090208), (1884, 1057224), (1953, 1019872), (2016, 988001), (2088, 953932), (2198, 906192), (2232, 892388), (2352, 846858), (2436, 817656), (2512, 792918), (2604, 764904), (2697, 738528), (2784, 715449), (2826, 704816), (2842, 700848), (2976, 669291), (3038, 655632), (3248, 613242), (3297, 604128), (3472, 573678), (3528, 564572), (3596, 553896), (3654, 545104), (3768, 528612), (3906, 509936), (4176, 476966), (4263, 467232), (4396, 453096), (4464, 446194), (4553, 437472), (4557, 437088), (4704, 423429), (4867, 409248), (4872, 408828), (5024, 396459), (5208, 382452), (5394, 369264), (5652, 352408), (5684, 350424), (6076, 327816), (6293, 316512), (6496, 306621), (6594, 302064), (6944, 286839), (7056, 282286), (7192, 276948), (7308, 272552), (7536, 264306), (7693, 258912), (7812, 254968), (8091, 246176), (8352, 238483), (8526, 233616), (8792, 226548), (8928, 223097), (9106, 218736), (9114, 218544), (9734, 204624), (9744, 204414), (9891, 201376), (10416, 191226), (10788, 184632), (11304, 176204), (11368, 175212), (12152, 163908), (12586, 158256), (12789, 155744), (13188, 151032), (13659, 145824), (13671, 145696), (14112, 141143), (14384, 138474), (14601, 136416), (14616, 136276), (15072, 132153), (15386, 129456), (15624, 127484), (16182, 123088), (17052, 116808), (17584, 113274), (18212, 109368), (18228, 109272), (18879, 105504), (19468, 102312), (19488, 102207), (19782, 100688), (20832, 95613), (21576, 92316), (22608, 88102), (22736, 87606), (23079, 86304), (24304, 81954), (25172, 79128), (25578, 77872), (26376, 75516), (27318, 72912), (27342, 72848), (28768, 69237), (29202, 68208), (29232, 68138), (30772, 64728), (31248, 63742), (31871, 62496), (32364, 61544), (34069, 58464), (34104, 58404), (35168, 56637), (36424, 54684), (36456, 54636), (37758, 52752), (38936, 51156), (39564, 50344), (40977, 48608), (43152, 46158), (43803, 45472), (44051, 45216)]