399807360

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1406

約数の個数: 256

約数和(自身を含む): 1500379200

約数和(自身を除く): 1100571840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 384, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1360, 1361, 1440, 1530, 1632, 1728, 1836, 1920, 2040, 2160, 2176, 2295, 2448, 2720, 2722, 2880, 3060, 3264, 3456, 3672, 4080, 4083, 4320, 4590, 4896, 5440, 5444, 5760, 6120, 6528, 6805, 7344, 8160, 8166, 8640, 9180, 9792, 10880, 10888, 12240, 12249, 13610, 14688, 16320, 16332, 17280, 18360, 19584, 20415, 21776, 23137, 24480, 24498, 27220, 29376, 32640, 32664, 36720, 36747, 40830, 43552, 46274, 48960, 48996, 54440, 58752, 61245, 65328, 69411, 73440, 73494, 81660, 87104, 92548, 97920, 97992, 108880, 115685, 122490, 130656, 138822, 146880, 146988, 163320, 174208, 183735, 185096, 195984, 208233, 217760, 231370, 244980, 261312, 277644, 293760, 293976, 326640, 347055, 367470, 370192, 391968, 416466, 435520, 462740, 489960, 522624, 555288, 587952, 624699, 653280, 694110, 734940, 740384, 783936, 832932, 871040, 925480, 979920, 1041165, 1110576, 1175904, 1249398, 1306560, 1388220, 1469880, 1480768, 1567872, 1665864, 1850960, 1959840, 2082330, 2221152, 2351808, 2498796, 2613120, 2776440, 2939760, 2961536, 3123495, 3331728, 3701920, 3919680, 4164660, 4442304, 4703616, 4997592, 5552880, 5879520, 6246990, 6663456, 7403840, 7839360, 8329320, 8884608, 9995184, 11105760, 11759040, 12493980, 13326912, 14807680, 16658640, 19990368, 22211520, 23518080, 24987960, 26653824, 33317280, 39980736, 44423040, 49975920, 66634560, 79961472, 99951840, 133269120, 199903680, 399807360]

約数ペア:

[(1, 399807360), (2, 199903680), (3, 133269120), (4, 99951840), (5, 79961472), (6, 66634560), (8, 49975920), (9, 44423040), (10, 39980736), (12, 33317280), (15, 26653824), (16, 24987960), (17, 23518080), (18, 22211520), (20, 19990368), (24, 16658640), (27, 14807680), (30, 13326912), (32, 12493980), (34, 11759040), (36, 11105760), (40, 9995184), (45, 8884608), (48, 8329320), (51, 7839360), (54, 7403840), (60, 6663456), (64, 6246990), (68, 5879520), (72, 5552880), (80, 4997592), (85, 4703616), (90, 4442304), (96, 4164660), (102, 3919680), (108, 3701920), (120, 3331728), (128, 3123495), (135, 2961536), (136, 2939760), (144, 2776440), (153, 2613120), (160, 2498796), (170, 2351808), (180, 2221152), (192, 2082330), (204, 1959840), (216, 1850960), (240, 1665864), (255, 1567872), (270, 1480768), (272, 1469880), (288, 1388220), (306, 1306560), (320, 1249398), (340, 1175904), (360, 1110576), (384, 1041165), (408, 979920), (432, 925480), (459, 871040), (480, 832932), (510, 783936), (540, 740384), (544, 734940), (576, 694110), (612, 653280), (640, 624699), (680, 587952), (720, 555288), (765, 522624), (816, 489960), (864, 462740), (918, 435520), (960, 416466), (1020, 391968), (1080, 370192), (1088, 367470), (1152, 347055), (1224, 326640), (1360, 293976), (1361, 293760), (1440, 277644), (1530, 261312), (1632, 244980), (1728, 231370), (1836, 217760), (1920, 208233), (2040, 195984), (2160, 185096), (2176, 183735), (2295, 174208), (2448, 163320), (2720, 146988), (2722, 146880), (2880, 138822), (3060, 130656), (3264, 122490), (3456, 115685), (3672, 108880), (4080, 97992), (4083, 97920), (4320, 92548), (4590, 87104), (4896, 81660), (5440, 73494), (5444, 73440), (5760, 69411), (6120, 65328), (6528, 61245), (6805, 58752), (7344, 54440), (8160, 48996), (8166, 48960), (8640, 46274), (9180, 43552), (9792, 40830), (10880, 36747), (10888, 36720), (12240, 32664), (12249, 32640), (13610, 29376), (14688, 27220), (16320, 24498), (16332, 24480), (17280, 23137), (18360, 21776), (19584, 20415)]