21520507680

素因数分解:

$2^5\times 3^5\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{739}}^1$

素因数の和:883

約数の個数: 576

約数和(自身を含む): 87970821120

約数和(自身を除く): 66450313440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 107, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 214, 216, 224, 240, 243, 252, 270, 280, 288, 315, 321, 324, 336, 360, 378, 405, 420, 428, 432, 480, 486, 504, 535, 540, 560, 567, 630, 642, 648, 672, 720, 739, 749, 756, 810, 840, 856, 864, 945, 963, 972, 1008, 1070, 1080, 1120, 1134, 1215, 1260, 1284, 1296, 1440, 1478, 1498, 1512, 1605, 1620, 1680, 1701, 1712, 1890, 1926, 1944, 2016, 2140, 2160, 2217, 2247, 2268, 2430, 2520, 2568, 2592, 2835, 2889, 2956, 2996, 3024, 3210, 3240, 3360, 3402, 3424, 3695, 3745, 3780, 3852, 3888, 4280, 4320, 4434, 4494, 4536, 4815, 4860, 5040, 5136, 5173, 5670, 5778, 5912, 5992, 6048, 6420, 6480, 6651, 6741, 6804, 7390, 7490, 7560, 7704, 7776, 8505, 8560, 8667, 8868, 8988, 9072, 9630, 9720, 10080, 10272, 10346, 11085, 11235, 11340, 11556, 11824, 11984, 12840, 12960, 13302, 13482, 13608, 14445, 14780, 14980, 15120, 15408, 15519, 17010, 17120, 17334, 17736, 17976, 18144, 19260, 19440, 19953, 20223, 20692, 22170, 22470, 22680, 23112, 23648, 23968, 25680, 25865, 26001, 26604, 26964, 27216, 28890, 29560, 29960, 30240, 30816, 31038, 33255, 33705, 34020, 34668, 35472, 35952, 38520, 38880, 39906, 40446, 41384, 43335, 44340, 44940, 45360, 46224, 46557, 51360, 51730, 52002, 53208, 53928, 54432, 57780, 59120, 59859, 59920, 60669, 62076, 66510, 67410, 68040, 69336, 70944, 71904, 77040, 77595, 79073, 79812, 80892, 82768, 86670, 88680, 89880, 90720, 92448, 93114, 99765, 101115, 103460, 104004, 106416, 107856, 115560, 118240, 119718, 119840, 121338, 124152, 130005, 133020, 134820, 136080, 138672, 139671, 154080, 155190, 158146, 159624, 161784, 165536, 173340, 177360, 179577, 179760, 182007, 186228, 199530, 202230, 206920, 208008, 212832, 215712, 231120, 232785, 237219, 239436, 242676, 248304, 260010, 266040, 269640, 272160, 277344, 279342, 299295, 303345, 310380, 316292, 319248, 323568, 346680, 354720, 359154, 359520, 364014, 372456, 395365, 399060, 404460, 413840, 416016, 419013, 462240, 465570, 474438, 478872, 485352, 496608, 520020, 532080, 539280, 553511, 558684, 598590, 606690, 620760, 632584, 638496, 647136, 693360, 698355, 711657, 718308, 728028, 744912, 790730, 798120, 808920, 827680, 832032, 838026, 897885, 910035, 931140, 948876, 957744, 970704, 1040040, 1064160, 1078560, 1107022, 1117368, 1186095, 1197180, 1213380, 1241520, 1257039, 1265168, 1386720, 1396710, 1423314, 1436616, 1456056, 1489824, 1581460, 1596240, 1617840, 1660533, 1676052, 1795770, 1820070, 1862280, 1897752, 1915488, 1941408, 2080080, 2095065, 2134971, 2214044, 2234736, 2372190, 2394360, 2426760, 2483040, 2514078, 2530336, 2767555, 2793420, 2846628, 2873232, 2912112, 3162920, 3192480, 3235680, 3321066, 3352104, 3558285, 3591540, 3640140, 3724560, 3795504, 4160160, 4190130, 4269942, 4428088, 4469472, 4744380, 4788720, 4853520, 4981599, 5028156, 5535110, 5586840, 5693256, 5746464, 5824224, 6285195, 6325840, 6404913, 6642132, 6704208, 7116570, 7183080, 7280280, 7449120, 7591008, 8302665, 8380260, 8539884, 8856176, 9488760, 9577440, 9707040, 9963198, 10056312, 10674855, 11070220, 11173680, 11386512, 12570390, 12651680, 12809826, 13284264, 13408416, 14233140, 14366160, 14560560, 14944797, 16605330, 16760520, 17079768, 17712352, 18977520, 19214739, 19926396, 20112624, 21349710, 22140440, 22347360, 22773024, 24907995, 25140780, 25619652, 26568528, 28466280, 28732320, 29121120, 29889594, 32024565, 33210660, 33521040, 34159536, 37955040, 38429478, 39852792, 40225248, 42699420, 44280880, 44834391, 49815990, 50281560, 51239304, 53137056, 56932560, 59779188, 64049130, 66421320, 67042080, 68319072, 74723985, 76858956, 79705584, 85398840, 88561760, 89668782, 96073695, 99631980, 100563120, 102478608, 113865120, 119558376, 128098260, 132842640, 134503173, 149447970, 153717912, 159411168, 170797680, 179337564, 192147390, 199263960, 201126240, 204957216, 224171955, 239116752, 256196520, 265685280, 269006346, 298895940, 307435824, 341595360, 358675128, 384294780, 398527920, 448343910, 478233504, 512393040, 538012692, 597791880, 614871648, 672515865, 717350256, 768589560, 797055840, 896687820, 1024786080, 1076025384, 1195583760, 1345031730, 1434700512, 1537179120, 1793375640, 2152050768, 2391167520, 2690063460, 3074358240, 3586751280, 4304101536, 5380126920, 7173502560, 10760253840, 21520507680]

約数ペア:

[(1, 21520507680), (2, 10760253840), (3, 7173502560), (4, 5380126920), (5, 4304101536), (6, 3586751280), (7, 3074358240), (8, 2690063460), (9, 2391167520), (10, 2152050768), (12, 1793375640), (14, 1537179120), (15, 1434700512), (16, 1345031730), (18, 1195583760), (20, 1076025384), (21, 1024786080), (24, 896687820), (27, 797055840), (28, 768589560), (30, 717350256), (32, 672515865), (35, 614871648), (36, 597791880), (40, 538012692), (42, 512393040), (45, 478233504), (48, 448343910), (54, 398527920), (56, 384294780), (60, 358675128), (63, 341595360), (70, 307435824), (72, 298895940), (80, 269006346), (81, 265685280), (84, 256196520), (90, 239116752), (96, 224171955), (105, 204957216), (107, 201126240), (108, 199263960), (112, 192147390), (120, 179337564), (126, 170797680), (135, 159411168), (140, 153717912), (144, 149447970), (160, 134503173), (162, 132842640), (168, 128098260), (180, 119558376), (189, 113865120), (210, 102478608), (214, 100563120), (216, 99631980), (224, 96073695), (240, 89668782), (243, 88561760), (252, 85398840), (270, 79705584), (280, 76858956), (288, 74723985), (315, 68319072), (321, 67042080), (324, 66421320), (336, 64049130), (360, 59779188), (378, 56932560), (405, 53137056), (420, 51239304), (428, 50281560), (432, 49815990), (480, 44834391), (486, 44280880), (504, 42699420), (535, 40225248), (540, 39852792), (560, 38429478), (567, 37955040), (630, 34159536), (642, 33521040), (648, 33210660), (672, 32024565), (720, 29889594), (739, 29121120), (749, 28732320), (756, 28466280), (810, 26568528), (840, 25619652), (856, 25140780), (864, 24907995), (945, 22773024), (963, 22347360), (972, 22140440), (1008, 21349710), (1070, 20112624), (1080, 19926396), (1120, 19214739), (1134, 18977520), (1215, 17712352), (1260, 17079768), (1284, 16760520), (1296, 16605330), (1440, 14944797), (1478, 14560560), (1498, 14366160), (1512, 14233140), (1605, 13408416), (1620, 13284264), (1680, 12809826), (1701, 12651680), (1712, 12570390), (1890, 11386512), (1926, 11173680), (1944, 11070220), (2016, 10674855), (2140, 10056312), (2160, 9963198), (2217, 9707040), (2247, 9577440), (2268, 9488760), (2430, 8856176), (2520, 8539884), (2568, 8380260), (2592, 8302665), (2835, 7591008), (2889, 7449120), (2956, 7280280), (2996, 7183080), (3024, 7116570), (3210, 6704208), (3240, 6642132), (3360, 6404913), (3402, 6325840), (3424, 6285195), (3695, 5824224), (3745, 5746464), (3780, 5693256), (3852, 5586840), (3888, 5535110), (4280, 5028156), (4320, 4981599), (4434, 4853520), (4494, 4788720), (4536, 4744380), (4815, 4469472), (4860, 4428088), (5040, 4269942), (5136, 4190130), (5173, 4160160), (5670, 3795504), (5778, 3724560), (5912, 3640140), (5992, 3591540), (6048, 3558285), (6420, 3352104), (6480, 3321066), (6651, 3235680), (6741, 3192480), (6804, 3162920), (7390, 2912112), (7490, 2873232), (7560, 2846628), (7704, 2793420), (7776, 2767555), (8505, 2530336), (8560, 2514078), (8667, 2483040), (8868, 2426760), (8988, 2394360), (9072, 2372190), (9630, 2234736), (9720, 2214044), (10080, 2134971), (10272, 2095065), (10346, 2080080), (11085, 1941408), (11235, 1915488), (11340, 1897752), (11556, 1862280), (11824, 1820070), (11984, 1795770), (12840, 1676052), (12960, 1660533), (13302, 1617840), (13482, 1596240), (13608, 1581460), (14445, 1489824), (14780, 1456056), (14980, 1436616), (15120, 1423314), (15408, 1396710), (15519, 1386720), (17010, 1265168), (17120, 1257039), (17334, 1241520), (17736, 1213380), (17976, 1197180), (18144, 1186095), (19260, 1117368), (19440, 1107022), (19953, 1078560), (20223, 1064160), (20692, 1040040), (22170, 970704), (22470, 957744), (22680, 948876), (23112, 931140), (23648, 910035), (23968, 897885), (25680, 838026), (25865, 832032), (26001, 827680), (26604, 808920), (26964, 798120), (27216, 790730), (28890, 744912), (29560, 728028), (29960, 718308), (30240, 711657), (30816, 698355), (31038, 693360), (33255, 647136), (33705, 638496), (34020, 632584), (34668, 620760), (35472, 606690), (35952, 598590), (38520, 558684), (38880, 553511), (39906, 539280), (40446, 532080), (41384, 520020), (43335, 496608), (44340, 485352), (44940, 478872), (45360, 474438), (46224, 465570), (46557, 462240), (51360, 419013), (51730, 416016), (52002, 413840), (53208, 404460), (53928, 399060), (54432, 395365), (57780, 372456), (59120, 364014), (59859, 359520), (59920, 359154), (60669, 354720), (62076, 346680), (66510, 323568), (67410, 319248), (68040, 316292), (69336, 310380), (70944, 303345), (71904, 299295), (77040, 279342), (77595, 277344), (79073, 272160), (79812, 269640), (80892, 266040), (82768, 260010), (86670, 248304), (88680, 242676), (89880, 239436), (90720, 237219), (92448, 232785), (93114, 231120), (99765, 215712), (101115, 212832), (103460, 208008), (104004, 206920), (106416, 202230), (107856, 199530), (115560, 186228), (118240, 182007), (119718, 179760), (119840, 179577), (121338, 177360), (124152, 173340), (130005, 165536), (133020, 161784), (134820, 159624), (136080, 158146), (138672, 155190), (139671, 154080)]