1271728640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 320

約数和(自身を含む): 3860752896

約数和(自身を除く): 2589024256

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 53, 56, 64, 65, 70, 80, 91, 103, 104, 106, 112, 128, 130, 140, 160, 182, 206, 208, 212, 224, 256, 260, 265, 280, 320, 364, 371, 412, 416, 424, 448, 455, 512, 515, 520, 530, 560, 640, 689, 721, 728, 742, 824, 832, 848, 896, 910, 1030, 1040, 1060, 1120, 1280, 1339, 1378, 1442, 1456, 1484, 1648, 1664, 1696, 1792, 1820, 1855, 2060, 2080, 2120, 2240, 2560, 2678, 2756, 2884, 2912, 2968, 3296, 3328, 3392, 3445, 3584, 3605, 3640, 3710, 4120, 4160, 4240, 4480, 4823, 5356, 5459, 5512, 5768, 5824, 5936, 6592, 6656, 6695, 6784, 6890, 7210, 7280, 7420, 8240, 8320, 8480, 8960, 9373, 9646, 10712, 10918, 11024, 11536, 11648, 11872, 13184, 13390, 13568, 13780, 14420, 14560, 14840, 16480, 16640, 16960, 17920, 18746, 19292, 21424, 21836, 22048, 23072, 23296, 23744, 24115, 26368, 26780, 27136, 27295, 27560, 28840, 29120, 29680, 32960, 33280, 33920, 37492, 38213, 38584, 42848, 43672, 44096, 46144, 46592, 46865, 47488, 48230, 52736, 53560, 54590, 55120, 57680, 58240, 59360, 65920, 67840, 70967, 74984, 76426, 77168, 85696, 87344, 88192, 92288, 93730, 94976, 96460, 107120, 109180, 110240, 115360, 116480, 118720, 131840, 135680, 141934, 149968, 152852, 154336, 171392, 174688, 176384, 184576, 187460, 189952, 191065, 192920, 214240, 218360, 220480, 230720, 232960, 237440, 263680, 283868, 299936, 305704, 308672, 342784, 349376, 352768, 354835, 369152, 374920, 382130, 385840, 428480, 436720, 440960, 461440, 474880, 496769, 567736, 599872, 611408, 617344, 685568, 698752, 709670, 749840, 764260, 771680, 856960, 873440, 881920, 922880, 949760, 993538, 1135472, 1199744, 1222816, 1234688, 1397504, 1419340, 1499680, 1528520, 1543360, 1713920, 1746880, 1763840, 1845760, 1987076, 2270944, 2399488, 2445632, 2469376, 2483845, 2795008, 2838680, 2999360, 3057040, 3086720, 3427840, 3493760, 3974152, 4541888, 4798976, 4891264, 4967690, 5677360, 5998720, 6114080, 6173440, 6987520, 7948304, 9083776, 9782528, 9935380, 11354720, 11997440, 12228160, 12346880, 13975040, 15896608, 18167552, 19565056, 19870760, 22709440, 23994880, 24456320, 31793216, 36335104, 39741520, 45418880, 48912640, 63586432, 79483040, 90837760, 97825280, 127172864, 158966080, 181675520, 254345728, 317932160, 635864320, 1271728640]

約数ペア:

[(1, 1271728640), (2, 635864320), (4, 317932160), (5, 254345728), (7, 181675520), (8, 158966080), (10, 127172864), (13, 97825280), (14, 90837760), (16, 79483040), (20, 63586432), (26, 48912640), (28, 45418880), (32, 39741520), (35, 36335104), (40, 31793216), (52, 24456320), (53, 23994880), (56, 22709440), (64, 19870760), (65, 19565056), (70, 18167552), (80, 15896608), (91, 13975040), (103, 12346880), (104, 12228160), (106, 11997440), (112, 11354720), (128, 9935380), (130, 9782528), (140, 9083776), (160, 7948304), (182, 6987520), (206, 6173440), (208, 6114080), (212, 5998720), (224, 5677360), (256, 4967690), (260, 4891264), (265, 4798976), (280, 4541888), (320, 3974152), (364, 3493760), (371, 3427840), (412, 3086720), (416, 3057040), (424, 2999360), (448, 2838680), (455, 2795008), (512, 2483845), (515, 2469376), (520, 2445632), (530, 2399488), (560, 2270944), (640, 1987076), (689, 1845760), (721, 1763840), (728, 1746880), (742, 1713920), (824, 1543360), (832, 1528520), (848, 1499680), (896, 1419340), (910, 1397504), (1030, 1234688), (1040, 1222816), (1060, 1199744), (1120, 1135472), (1280, 993538), (1339, 949760), (1378, 922880), (1442, 881920), (1456, 873440), (1484, 856960), (1648, 771680), (1664, 764260), (1696, 749840), (1792, 709670), (1820, 698752), (1855, 685568), (2060, 617344), (2080, 611408), (2120, 599872), (2240, 567736), (2560, 496769), (2678, 474880), (2756, 461440), (2884, 440960), (2912, 436720), (2968, 428480), (3296, 385840), (3328, 382130), (3392, 374920), (3445, 369152), (3584, 354835), (3605, 352768), (3640, 349376), (3710, 342784), (4120, 308672), (4160, 305704), (4240, 299936), (4480, 283868), (4823, 263680), (5356, 237440), (5459, 232960), (5512, 230720), (5768, 220480), (5824, 218360), (5936, 214240), (6592, 192920), (6656, 191065), (6695, 189952), (6784, 187460), (6890, 184576), (7210, 176384), (7280, 174688), (7420, 171392), (8240, 154336), (8320, 152852), (8480, 149968), (8960, 141934), (9373, 135680), (9646, 131840), (10712, 118720), (10918, 116480), (11024, 115360), (11536, 110240), (11648, 109180), (11872, 107120), (13184, 96460), (13390, 94976), (13568, 93730), (13780, 92288), (14420, 88192), (14560, 87344), (14840, 85696), (16480, 77168), (16640, 76426), (16960, 74984), (17920, 70967), (18746, 67840), (19292, 65920), (21424, 59360), (21836, 58240), (22048, 57680), (23072, 55120), (23296, 54590), (23744, 53560), (24115, 52736), (26368, 48230), (26780, 47488), (27136, 46865), (27295, 46592), (27560, 46144), (28840, 44096), (29120, 43672), (29680, 42848), (32960, 38584), (33280, 38213), (33920, 37492)]