1278751968

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 384

約数和(自身を含む): 4391936640

約数和(自身を除く): 3113184672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 32, 34, 36, 37, 39, 48, 51, 52, 54, 68, 72, 74, 78, 96, 102, 104, 108, 111, 117, 136, 144, 148, 153, 156, 181, 204, 208, 216, 221, 222, 234, 272, 288, 296, 306, 312, 333, 351, 362, 408, 416, 432, 442, 444, 459, 468, 481, 543, 544, 592, 612, 624, 629, 663, 666, 702, 724, 816, 864, 884, 888, 918, 936, 962, 999, 1086, 1184, 1224, 1248, 1258, 1326, 1332, 1404, 1443, 1448, 1629, 1632, 1768, 1776, 1836, 1872, 1887, 1924, 1989, 1998, 2172, 2353, 2448, 2516, 2652, 2664, 2808, 2886, 2896, 3077, 3258, 3536, 3552, 3672, 3744, 3774, 3848, 3978, 3996, 4329, 4344, 4706, 4887, 4896, 5032, 5304, 5328, 5616, 5661, 5772, 5792, 5967, 6154, 6516, 6697, 7059, 7072, 7344, 7548, 7696, 7956, 7992, 8177, 8658, 8688, 9231, 9412, 9774, 10064, 10608, 10656, 11232, 11322, 11544, 11934, 12308, 12987, 13032, 13394, 14118, 14688, 15096, 15392, 15912, 15984, 16354, 16983, 17316, 17376, 18462, 18824, 19548, 20091, 20128, 21177, 21216, 22644, 23088, 23868, 24531, 24616, 25974, 26064, 26788, 27693, 28236, 30192, 31824, 31968, 32708, 33966, 34632, 36924, 37648, 39096, 40001, 40182, 42354, 45288, 46176, 47736, 49062, 49232, 51948, 52128, 53576, 55386, 56472, 60273, 60384, 63531, 63648, 65416, 67932, 69264, 73593, 73848, 75296, 78192, 80002, 80364, 83079, 84708, 87061, 90576, 95472, 98124, 98464, 103896, 107152, 110772, 112944, 113849, 120003, 120546, 127062, 130832, 135864, 138528, 147186, 147696, 156384, 160004, 160728, 166158, 169416, 174122, 180819, 181152, 190944, 196248, 207792, 214304, 220779, 221544, 225888, 227698, 240006, 241092, 254124, 261183, 261664, 271728, 294372, 295392, 320008, 321456, 332316, 338832, 341547, 348244, 360009, 361638, 392496, 415584, 441558, 443088, 455396, 480012, 482184, 508248, 522366, 543456, 588744, 640016, 642912, 664632, 677664, 683094, 696488, 720018, 723276, 783549, 784992, 883116, 886176, 910792, 960024, 964368, 1016496, 1024641, 1044732, 1080027, 1177488, 1280032, 1329264, 1366188, 1392976, 1440036, 1446552, 1480037, 1567098, 1766232, 1821584, 1920048, 1928736, 2032992, 2049282, 2089464, 2160054, 2350647, 2354976, 2658528, 2732376, 2785952, 2880072, 2893104, 2960074, 3073923, 3134196, 3532464, 3643168, 3840096, 4098564, 4178928, 4320108, 4440111, 4701294, 5464752, 5760144, 5786208, 5920148, 6147846, 6268392, 7064928, 8197128, 8357856, 8640216, 8880222, 9402588, 10929504, 11520288, 11840296, 12295692, 12536784, 13320333, 16394256, 17280432, 17760444, 18805176, 23680592, 24591384, 25073568, 26640666, 32788512, 34560864, 35520888, 37610352, 39960999, 47361184, 49182768, 53281332, 71041776, 75220704, 79921998, 98365536, 106562664, 142083552, 159843996, 213125328, 319687992, 426250656, 639375984, 1278751968]

約数ペア:

[(1, 1278751968), (2, 639375984), (3, 426250656), (4, 319687992), (6, 213125328), (8, 159843996), (9, 142083552), (12, 106562664), (13, 98365536), (16, 79921998), (17, 75220704), (18, 71041776), (24, 53281332), (26, 49182768), (27, 47361184), (32, 39960999), (34, 37610352), (36, 35520888), (37, 34560864), (39, 32788512), (48, 26640666), (51, 25073568), (52, 24591384), (54, 23680592), (68, 18805176), (72, 17760444), (74, 17280432), (78, 16394256), (96, 13320333), (102, 12536784), (104, 12295692), (108, 11840296), (111, 11520288), (117, 10929504), (136, 9402588), (144, 8880222), (148, 8640216), (153, 8357856), (156, 8197128), (181, 7064928), (204, 6268392), (208, 6147846), (216, 5920148), (221, 5786208), (222, 5760144), (234, 5464752), (272, 4701294), (288, 4440111), (296, 4320108), (306, 4178928), (312, 4098564), (333, 3840096), (351, 3643168), (362, 3532464), (408, 3134196), (416, 3073923), (432, 2960074), (442, 2893104), (444, 2880072), (459, 2785952), (468, 2732376), (481, 2658528), (543, 2354976), (544, 2350647), (592, 2160054), (612, 2089464), (624, 2049282), (629, 2032992), (663, 1928736), (666, 1920048), (702, 1821584), (724, 1766232), (816, 1567098), (864, 1480037), (884, 1446552), (888, 1440036), (918, 1392976), (936, 1366188), (962, 1329264), (999, 1280032), (1086, 1177488), (1184, 1080027), (1224, 1044732), (1248, 1024641), (1258, 1016496), (1326, 964368), (1332, 960024), (1404, 910792), (1443, 886176), (1448, 883116), (1629, 784992), (1632, 783549), (1768, 723276), (1776, 720018), (1836, 696488), (1872, 683094), (1887, 677664), (1924, 664632), (1989, 642912), (1998, 640016), (2172, 588744), (2353, 543456), (2448, 522366), (2516, 508248), (2652, 482184), (2664, 480012), (2808, 455396), (2886, 443088), (2896, 441558), (3077, 415584), (3258, 392496), (3536, 361638), (3552, 360009), (3672, 348244), (3744, 341547), (3774, 338832), (3848, 332316), (3978, 321456), (3996, 320008), (4329, 295392), (4344, 294372), (4706, 271728), (4887, 261664), (4896, 261183), (5032, 254124), (5304, 241092), (5328, 240006), (5616, 227698), (5661, 225888), (5772, 221544), (5792, 220779), (5967, 214304), (6154, 207792), (6516, 196248), (6697, 190944), (7059, 181152), (7072, 180819), (7344, 174122), (7548, 169416), (7696, 166158), (7956, 160728), (7992, 160004), (8177, 156384), (8658, 147696), (8688, 147186), (9231, 138528), (9412, 135864), (9774, 130832), (10064, 127062), (10608, 120546), (10656, 120003), (11232, 113849), (11322, 112944), (11544, 110772), (11934, 107152), (12308, 103896), (12987, 98464), (13032, 98124), (13394, 95472), (14118, 90576), (14688, 87061), (15096, 84708), (15392, 83079), (15912, 80364), (15984, 80002), (16354, 78192), (16983, 75296), (17316, 73848), (17376, 73593), (18462, 69264), (18824, 67932), (19548, 65416), (20091, 63648), (20128, 63531), (21177, 60384), (21216, 60273), (22644, 56472), (23088, 55386), (23868, 53576), (24531, 52128), (24616, 51948), (25974, 49232), (26064, 49062), (26788, 47736), (27693, 46176), (28236, 45288), (30192, 42354), (31824, 40182), (31968, 40001), (32708, 39096), (33966, 37648), (34632, 36924)]