256281120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:105

約数の個数: 432

約数和(自身を含む): 1011006360

約数和(自身を除く): 754725240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 29, 30, 32, 34, 36, 38, 40, 45, 48, 51, 57, 58, 60, 68, 72, 76, 80, 85, 87, 90, 95, 96, 102, 114, 116, 120, 136, 144, 145, 152, 153, 160, 170, 171, 174, 180, 190, 204, 228, 232, 240, 255, 261, 272, 285, 288, 290, 304, 306, 323, 340, 342, 348, 360, 361, 380, 408, 435, 456, 464, 480, 493, 510, 522, 544, 551, 570, 580, 608, 612, 646, 680, 684, 696, 720, 722, 760, 765, 816, 855, 870, 912, 928, 969, 986, 1020, 1044, 1083, 1102, 1140, 1160, 1224, 1292, 1305, 1360, 1368, 1392, 1440, 1444, 1479, 1520, 1530, 1615, 1632, 1653, 1710, 1740, 1805, 1824, 1938, 1972, 2040, 2088, 2166, 2204, 2280, 2320, 2448, 2465, 2584, 2610, 2720, 2736, 2755, 2784, 2888, 2907, 2958, 3040, 3060, 3230, 3249, 3306, 3420, 3480, 3610, 3876, 3944, 4080, 4176, 4332, 4408, 4437, 4560, 4640, 4845, 4896, 4930, 4959, 5168, 5220, 5415, 5472, 5510, 5776, 5814, 5916, 6120, 6137, 6460, 6498, 6612, 6840, 6960, 7220, 7395, 7752, 7888, 8160, 8265, 8352, 8664, 8816, 8874, 9120, 9367, 9690, 9860, 9918, 10336, 10440, 10469, 10830, 11020, 11552, 11628, 11832, 12240, 12274, 12920, 12996, 13224, 13680, 13920, 14440, 14535, 14790, 15504, 15776, 16245, 16530, 17328, 17632, 17748, 18411, 18734, 19380, 19720, 19836, 20880, 20938, 21660, 22040, 22185, 23256, 23664, 24480, 24548, 24795, 25840, 25992, 26448, 27360, 28101, 28880, 29070, 29580, 30685, 31008, 31407, 32490, 33060, 34656, 35496, 36822, 37468, 38760, 39440, 39672, 41760, 41876, 43320, 44080, 44370, 46512, 46835, 47328, 49096, 49590, 51680, 51984, 52345, 52896, 55233, 56202, 57760, 58140, 59160, 61370, 62814, 64980, 66120, 70992, 73644, 74936, 77520, 78880, 79344, 83752, 84303, 86640, 88160, 88740, 92055, 93024, 93670, 94221, 98192, 99180, 103968, 104690, 110466, 112404, 116280, 118320, 122740, 125628, 129960, 132240, 140505, 141984, 147288, 149872, 155040, 157035, 158688, 167504, 168606, 173280, 177480, 177973, 184110, 187340, 188442, 196384, 198360, 209380, 220932, 224808, 232560, 236640, 245480, 251256, 259920, 264480, 276165, 281010, 294576, 299744, 314070, 335008, 337212, 354960, 355946, 368220, 374680, 376884, 396720, 418760, 421515, 441864, 449616, 465120, 471105, 490960, 502512, 519840, 533919, 552330, 562020, 589152, 628140, 674424, 709920, 711892, 736440, 749360, 753768, 793440, 837520, 843030, 883728, 889865, 899232, 942210, 981920, 1005024, 1067838, 1104660, 1124040, 1256280, 1348848, 1423784, 1472880, 1498720, 1507536, 1601757, 1675040, 1686060, 1767456, 1779730, 1884420, 2135676, 2209320, 2248080, 2512560, 2669595, 2697696, 2847568, 2945760, 3015072, 3203514, 3372120, 3559460, 3768840, 4271352, 4418640, 4496160, 5025120, 5339190, 5695136, 6407028, 6744240, 7118920, 7537680, 8008785, 8542704, 8837280, 10678380, 12814056, 13488480, 14237840, 15075360, 16017570, 17085408, 21356760, 25628112, 28475680, 32035140, 42713520, 51256224, 64070280, 85427040, 128140560, 256281120]

約数ペア:

[(1, 256281120), (2, 128140560), (3, 85427040), (4, 64070280), (5, 51256224), (6, 42713520), (8, 32035140), (9, 28475680), (10, 25628112), (12, 21356760), (15, 17085408), (16, 16017570), (17, 15075360), (18, 14237840), (19, 13488480), (20, 12814056), (24, 10678380), (29, 8837280), (30, 8542704), (32, 8008785), (34, 7537680), (36, 7118920), (38, 6744240), (40, 6407028), (45, 5695136), (48, 5339190), (51, 5025120), (57, 4496160), (58, 4418640), (60, 4271352), (68, 3768840), (72, 3559460), (76, 3372120), (80, 3203514), (85, 3015072), (87, 2945760), (90, 2847568), (95, 2697696), (96, 2669595), (102, 2512560), (114, 2248080), (116, 2209320), (120, 2135676), (136, 1884420), (144, 1779730), (145, 1767456), (152, 1686060), (153, 1675040), (160, 1601757), (170, 1507536), (171, 1498720), (174, 1472880), (180, 1423784), (190, 1348848), (204, 1256280), (228, 1124040), (232, 1104660), (240, 1067838), (255, 1005024), (261, 981920), (272, 942210), (285, 899232), (288, 889865), (290, 883728), (304, 843030), (306, 837520), (323, 793440), (340, 753768), (342, 749360), (348, 736440), (360, 711892), (361, 709920), (380, 674424), (408, 628140), (435, 589152), (456, 562020), (464, 552330), (480, 533919), (493, 519840), (510, 502512), (522, 490960), (544, 471105), (551, 465120), (570, 449616), (580, 441864), (608, 421515), (612, 418760), (646, 396720), (680, 376884), (684, 374680), (696, 368220), (720, 355946), (722, 354960), (760, 337212), (765, 335008), (816, 314070), (855, 299744), (870, 294576), (912, 281010), (928, 276165), (969, 264480), (986, 259920), (1020, 251256), (1044, 245480), (1083, 236640), (1102, 232560), (1140, 224808), (1160, 220932), (1224, 209380), (1292, 198360), (1305, 196384), (1360, 188442), (1368, 187340), (1392, 184110), (1440, 177973), (1444, 177480), (1479, 173280), (1520, 168606), (1530, 167504), (1615, 158688), (1632, 157035), (1653, 155040), (1710, 149872), (1740, 147288), (1805, 141984), (1824, 140505), (1938, 132240), (1972, 129960), (2040, 125628), (2088, 122740), (2166, 118320), (2204, 116280), (2280, 112404), (2320, 110466), (2448, 104690), (2465, 103968), (2584, 99180), (2610, 98192), (2720, 94221), (2736, 93670), (2755, 93024), (2784, 92055), (2888, 88740), (2907, 88160), (2958, 86640), (3040, 84303), (3060, 83752), (3230, 79344), (3249, 78880), (3306, 77520), (3420, 74936), (3480, 73644), (3610, 70992), (3876, 66120), (3944, 64980), (4080, 62814), (4176, 61370), (4332, 59160), (4408, 58140), (4437, 57760), (4560, 56202), (4640, 55233), (4845, 52896), (4896, 52345), (4930, 51984), (4959, 51680), (5168, 49590), (5220, 49096), (5415, 47328), (5472, 46835), (5510, 46512), (5776, 44370), (5814, 44080), (5916, 43320), (6120, 41876), (6137, 41760), (6460, 39672), (6498, 39440), (6612, 38760), (6840, 37468), (6960, 36822), (7220, 35496), (7395, 34656), (7752, 33060), (7888, 32490), (8160, 31407), (8265, 31008), (8352, 30685), (8664, 29580), (8816, 29070), (8874, 28880), (9120, 28101), (9367, 27360), (9690, 26448), (9860, 25992), (9918, 25840), (10336, 24795), (10440, 24548), (10469, 24480), (10830, 23664), (11020, 23256), (11552, 22185), (11628, 22040), (11832, 21660), (12240, 20938), (12274, 20880), (12920, 19836), (12996, 19720), (13224, 19380), (13680, 18734), (13920, 18411), (14440, 17748), (14535, 17632), (14790, 17328), (15504, 16530), (15776, 16245)]