217992320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 256

約数和(自身を含む): 678585600

約数和(自身を除く): 460593280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 104, 112, 128, 130, 133, 140, 152, 160, 182, 190, 197, 208, 224, 247, 260, 266, 280, 304, 320, 364, 380, 394, 416, 448, 455, 494, 520, 532, 560, 608, 640, 665, 728, 760, 788, 832, 896, 910, 985, 988, 1040, 1064, 1120, 1216, 1235, 1330, 1379, 1456, 1520, 1576, 1664, 1729, 1820, 1970, 1976, 2080, 2128, 2240, 2432, 2470, 2561, 2660, 2758, 2912, 3040, 3152, 3458, 3640, 3743, 3940, 3952, 4160, 4256, 4480, 4940, 5122, 5320, 5516, 5824, 6080, 6304, 6895, 6916, 7280, 7486, 7880, 7904, 8320, 8512, 8645, 9880, 10244, 10640, 11032, 11648, 12160, 12608, 12805, 13790, 13832, 14560, 14972, 15760, 15808, 17024, 17290, 17927, 18715, 19760, 20488, 21280, 22064, 25216, 25610, 26201, 27580, 27664, 29120, 29944, 31520, 31616, 34580, 35854, 37430, 39520, 40976, 42560, 44128, 48659, 51220, 52402, 55160, 55328, 58240, 59888, 63040, 69160, 71708, 74860, 79040, 81952, 85120, 88256, 89635, 97318, 102440, 104804, 110320, 110656, 119776, 126080, 131005, 138320, 143416, 149720, 158080, 163904, 176512, 179270, 194636, 204880, 209608, 220640, 221312, 239552, 243295, 262010, 276640, 286832, 299440, 327808, 340613, 358540, 389272, 409760, 419216, 441280, 479104, 486590, 524020, 553280, 573664, 598880, 681226, 717080, 778544, 819520, 838432, 882560, 973180, 1048040, 1106560, 1147328, 1197760, 1362452, 1434160, 1557088, 1639040, 1676864, 1703065, 1946360, 2096080, 2294656, 2395520, 2724904, 2868320, 3114176, 3353728, 3406130, 3892720, 4192160, 5449808, 5736640, 6228352, 6812260, 7785440, 8384320, 10899616, 11473280, 13624520, 15570880, 16768640, 21799232, 27249040, 31141760, 43598464, 54498080, 108996160, 217992320]

約数ペア:

[(1, 217992320), (2, 108996160), (4, 54498080), (5, 43598464), (7, 31141760), (8, 27249040), (10, 21799232), (13, 16768640), (14, 15570880), (16, 13624520), (19, 11473280), (20, 10899616), (26, 8384320), (28, 7785440), (32, 6812260), (35, 6228352), (38, 5736640), (40, 5449808), (52, 4192160), (56, 3892720), (64, 3406130), (65, 3353728), (70, 3114176), (76, 2868320), (80, 2724904), (91, 2395520), (95, 2294656), (104, 2096080), (112, 1946360), (128, 1703065), (130, 1676864), (133, 1639040), (140, 1557088), (152, 1434160), (160, 1362452), (182, 1197760), (190, 1147328), (197, 1106560), (208, 1048040), (224, 973180), (247, 882560), (260, 838432), (266, 819520), (280, 778544), (304, 717080), (320, 681226), (364, 598880), (380, 573664), (394, 553280), (416, 524020), (448, 486590), (455, 479104), (494, 441280), (520, 419216), (532, 409760), (560, 389272), (608, 358540), (640, 340613), (665, 327808), (728, 299440), (760, 286832), (788, 276640), (832, 262010), (896, 243295), (910, 239552), (985, 221312), (988, 220640), (1040, 209608), (1064, 204880), (1120, 194636), (1216, 179270), (1235, 176512), (1330, 163904), (1379, 158080), (1456, 149720), (1520, 143416), (1576, 138320), (1664, 131005), (1729, 126080), (1820, 119776), (1970, 110656), (1976, 110320), (2080, 104804), (2128, 102440), (2240, 97318), (2432, 89635), (2470, 88256), (2561, 85120), (2660, 81952), (2758, 79040), (2912, 74860), (3040, 71708), (3152, 69160), (3458, 63040), (3640, 59888), (3743, 58240), (3940, 55328), (3952, 55160), (4160, 52402), (4256, 51220), (4480, 48659), (4940, 44128), (5122, 42560), (5320, 40976), (5516, 39520), (5824, 37430), (6080, 35854), (6304, 34580), (6895, 31616), (6916, 31520), (7280, 29944), (7486, 29120), (7880, 27664), (7904, 27580), (8320, 26201), (8512, 25610), (8645, 25216), (9880, 22064), (10244, 21280), (10640, 20488), (11032, 19760), (11648, 18715), (12160, 17927), (12608, 17290), (12805, 17024), (13790, 15808), (13832, 15760), (14560, 14972)]