1681221120

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 320

約数和(自身を含む): 5798200320

約数和(自身を除く): 4116979200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 79, 80, 85, 96, 102, 120, 128, 136, 158, 160, 163, 170, 192, 204, 237, 240, 255, 256, 272, 316, 320, 326, 340, 384, 395, 408, 474, 480, 489, 510, 512, 544, 632, 640, 652, 680, 768, 790, 815, 816, 948, 960, 978, 1020, 1088, 1185, 1264, 1280, 1304, 1343, 1360, 1536, 1580, 1630, 1632, 1896, 1920, 1956, 2040, 2176, 2370, 2445, 2528, 2560, 2608, 2686, 2720, 2771, 3160, 3260, 3264, 3792, 3840, 3912, 4029, 4080, 4352, 4740, 4890, 5056, 5216, 5372, 5440, 5542, 6320, 6520, 6528, 6715, 7584, 7680, 7824, 8058, 8160, 8313, 8704, 9480, 9780, 10112, 10432, 10744, 10880, 11084, 12640, 12877, 13040, 13056, 13430, 13855, 15168, 15648, 16116, 16320, 16626, 18960, 19560, 20145, 20224, 20864, 21488, 21760, 22168, 25280, 25754, 26080, 26112, 26860, 27710, 30336, 31296, 32232, 32640, 33252, 37920, 38631, 39120, 40290, 40448, 41565, 41728, 42976, 43520, 44336, 50560, 51508, 52160, 53720, 55420, 60672, 62592, 64385, 64464, 65280, 66504, 75840, 77262, 78240, 80580, 83130, 83456, 85952, 88672, 101120, 103016, 104320, 107440, 110840, 121344, 125184, 128770, 128928, 130560, 133008, 151680, 154524, 156480, 161160, 166260, 171904, 177344, 193155, 202240, 206032, 208640, 214880, 218909, 221680, 250368, 257540, 257856, 266016, 303360, 309048, 312960, 322320, 332520, 343808, 354688, 386310, 412064, 417280, 429760, 437818, 443360, 515080, 515712, 532032, 606720, 618096, 625920, 644640, 656727, 665040, 687616, 709376, 772620, 824128, 859520, 875636, 886720, 1030160, 1031424, 1064064, 1094545, 1236192, 1251840, 1289280, 1313454, 1330080, 1418752, 1545240, 1648256, 1719040, 1751272, 1773440, 2060320, 2062848, 2128128, 2189090, 2472384, 2578560, 2626908, 2660160, 3090480, 3283635, 3296512, 3438080, 3502544, 3546880, 4120640, 4256256, 4378180, 4944768, 5157120, 5253816, 5320320, 6180960, 6567270, 6593024, 7005088, 7093760, 8241280, 8756360, 9889536, 10314240, 10507632, 10640640, 12361920, 13134540, 14010176, 16482560, 17512720, 19779072, 21015264, 21281280, 24723840, 26269080, 28020352, 32965120, 35025440, 42030528, 49447680, 52538160, 56040704, 70050880, 84061056, 98895360, 105076320, 112081408, 140101760, 168122112, 210152640, 280203520, 336244224, 420305280, 560407040, 840610560, 1681221120]

約数ペア:

[(1, 1681221120), (2, 840610560), (3, 560407040), (4, 420305280), (5, 336244224), (6, 280203520), (8, 210152640), (10, 168122112), (12, 140101760), (15, 112081408), (16, 105076320), (17, 98895360), (20, 84061056), (24, 70050880), (30, 56040704), (32, 52538160), (34, 49447680), (40, 42030528), (48, 35025440), (51, 32965120), (60, 28020352), (64, 26269080), (68, 24723840), (79, 21281280), (80, 21015264), (85, 19779072), (96, 17512720), (102, 16482560), (120, 14010176), (128, 13134540), (136, 12361920), (158, 10640640), (160, 10507632), (163, 10314240), (170, 9889536), (192, 8756360), (204, 8241280), (237, 7093760), (240, 7005088), (255, 6593024), (256, 6567270), (272, 6180960), (316, 5320320), (320, 5253816), (326, 5157120), (340, 4944768), (384, 4378180), (395, 4256256), (408, 4120640), (474, 3546880), (480, 3502544), (489, 3438080), (510, 3296512), (512, 3283635), (544, 3090480), (632, 2660160), (640, 2626908), (652, 2578560), (680, 2472384), (768, 2189090), (790, 2128128), (815, 2062848), (816, 2060320), (948, 1773440), (960, 1751272), (978, 1719040), (1020, 1648256), (1088, 1545240), (1185, 1418752), (1264, 1330080), (1280, 1313454), (1304, 1289280), (1343, 1251840), (1360, 1236192), (1536, 1094545), (1580, 1064064), (1630, 1031424), (1632, 1030160), (1896, 886720), (1920, 875636), (1956, 859520), (2040, 824128), (2176, 772620), (2370, 709376), (2445, 687616), (2528, 665040), (2560, 656727), (2608, 644640), (2686, 625920), (2720, 618096), (2771, 606720), (3160, 532032), (3260, 515712), (3264, 515080), (3792, 443360), (3840, 437818), (3912, 429760), (4029, 417280), (4080, 412064), (4352, 386310), (4740, 354688), (4890, 343808), (5056, 332520), (5216, 322320), (5372, 312960), (5440, 309048), (5542, 303360), (6320, 266016), (6520, 257856), (6528, 257540), (6715, 250368), (7584, 221680), (7680, 218909), (7824, 214880), (8058, 208640), (8160, 206032), (8313, 202240), (8704, 193155), (9480, 177344), (9780, 171904), (10112, 166260), (10432, 161160), (10744, 156480), (10880, 154524), (11084, 151680), (12640, 133008), (12877, 130560), (13040, 128928), (13056, 128770), (13430, 125184), (13855, 121344), (15168, 110840), (15648, 107440), (16116, 104320), (16320, 103016), (16626, 101120), (18960, 88672), (19560, 85952), (20145, 83456), (20224, 83130), (20864, 80580), (21488, 78240), (21760, 77262), (22168, 75840), (25280, 66504), (25754, 65280), (26080, 64464), (26112, 64385), (26860, 62592), (27710, 60672), (30336, 55420), (31296, 53720), (32232, 52160), (32640, 51508), (33252, 50560), (37920, 44336), (38631, 43520), (39120, 42976), (40290, 41728), (40448, 41565)]