21135723120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:558

約数の個数: 640

約数和(自身を含む): 81423360000

約数和(自身を除く): 60287636880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 31, 36, 37, 38, 40, 45, 48, 54, 57, 60, 62, 72, 74, 76, 80, 90, 93, 95, 108, 111, 114, 120, 124, 135, 144, 148, 152, 155, 171, 180, 185, 186, 190, 216, 222, 228, 240, 248, 270, 279, 285, 296, 304, 310, 333, 342, 360, 370, 372, 380, 432, 444, 449, 456, 465, 496, 513, 540, 555, 558, 570, 589, 592, 620, 666, 684, 703, 720, 740, 744, 760, 837, 855, 888, 898, 912, 930, 999, 1026, 1080, 1110, 1116, 1140, 1147, 1178, 1240, 1332, 1347, 1368, 1395, 1406, 1480, 1488, 1520, 1665, 1674, 1710, 1767, 1776, 1796, 1860, 1998, 2052, 2109, 2160, 2220, 2232, 2245, 2280, 2294, 2356, 2480, 2565, 2664, 2694, 2736, 2790, 2812, 2945, 2960, 3330, 3348, 3420, 3441, 3515, 3534, 3592, 3720, 3996, 4041, 4104, 4185, 4218, 4440, 4464, 4490, 4560, 4588, 4712, 4995, 5130, 5301, 5328, 5388, 5580, 5624, 5735, 5890, 6327, 6660, 6696, 6735, 6840, 6882, 7030, 7068, 7184, 7440, 7992, 8082, 8208, 8370, 8436, 8531, 8835, 8880, 8980, 9176, 9424, 9990, 10260, 10323, 10545, 10602, 10776, 11160, 11248, 11470, 11780, 12123, 12654, 13320, 13392, 13470, 13680, 13764, 13919, 14060, 14136, 15903, 15984, 16164, 16613, 16740, 16872, 17062, 17205, 17670, 17960, 18352, 18981, 19980, 20205, 20520, 20646, 21090, 21204, 21552, 21793, 22320, 22940, 23560, 24246, 25308, 25593, 26505, 26640, 26940, 27528, 27838, 28120, 28272, 30969, 31635, 31806, 32328, 33226, 33480, 33744, 34124, 34410, 35340, 35920, 37962, 39960, 40410, 41040, 41292, 41757, 42180, 42408, 42655, 43586, 45880, 47120, 48492, 49839, 50616, 51186, 51615, 53010, 53880, 55056, 55676, 56240, 60615, 61938, 63270, 63612, 64656, 65379, 66452, 66960, 68248, 68820, 69595, 70680, 75924, 76779, 79515, 79920, 80820, 82584, 83065, 83514, 84360, 84816, 85310, 87172, 91760, 94905, 96984, 99678, 101232, 102372, 103230, 106020, 107760, 108965, 111352, 121230, 123876, 125271, 126540, 127224, 127965, 130758, 132904, 136496, 137640, 139190, 141360, 149517, 151848, 153558, 154845, 159030, 161640, 165168, 166130, 167028, 168720, 170620, 174344, 189810, 193968, 196137, 199356, 204744, 206460, 208785, 212040, 217930, 222704, 230337, 242460, 247752, 249195, 250542, 253080, 254448, 255930, 261516, 264461, 265808, 275280, 278380, 299034, 303696, 307116, 309690, 315647, 318060, 323280, 326895, 332260, 334056, 341240, 348688, 375813, 379620, 383895, 392274, 398712, 409488, 412920, 417570, 424080, 435860, 448551, 460674, 484920, 495504, 498390, 501084, 506160, 511860, 515003, 523032, 528922, 556760, 588411, 598068, 614232, 619380, 626355, 631294, 636120, 653790, 664520, 668112, 682480, 747585, 751626, 759240, 767790, 784548, 793383, 797424, 825840, 835140, 871720, 897102, 921348, 946941, 969840, 980685, 996780, 1002168, 1023720, 1030006, 1046064, 1057844, 1113520, 1151685, 1176822, 1196136, 1228464, 1238760, 1252710, 1262588, 1272240, 1307580, 1322305, 1329040, 1495170, 1503252, 1518480, 1535580, 1545009, 1569096, 1578235, 1586766, 1670280, 1743440, 1794204, 1842696, 1879065, 1893882, 1961370, 1993560, 2004336, 2047440, 2060012, 2115688, 2242755, 2303370, 2353644, 2380149, 2392272, 2477520, 2505420, 2525176, 2575015, 2615160, 2644610, 2840823, 2942055, 2990340, 3006504, 3071160, 3090018, 3138192, 3156470, 3173532, 3340560, 3588408, 3685392, 3758130, 3787764, 3922740, 3966915, 3987120, 4120024, 4231376, 4485510, 4606740, 4635027, 4707288, 4734705, 4760298, 5010840, 5050352, 5150030, 5230320, 5289220, 5681646, 5884110, 5980680, 6013008, 6142320, 6180036, 6312940, 6347064, 7140447, 7176816, 7516260, 7575528, 7725045, 7845480, 7933830, 8240048, 8522469, 8971020, 9213480, 9270054, 9414576, 9469410, 9520596, 9785057, 10021680, 10300060, 10578440, 11363292, 11768220, 11900745, 11961360, 12360072, 12625880, 12694128, 13905081, 14204115, 14280894, 15032520, 15151056, 15450090, 15690960, 15867660, 17044938, 17942040, 18426960, 18540108, 18938820, 19041192, 19570114, 20600120, 21156880, 22726584, 23175135, 23536440, 23801490, 24720144, 25251760, 27810162, 28408230, 28561788, 29355171, 30065040, 30900180, 31735320, 34089876, 35702235, 35884080, 37080216, 37877640, 38082384, 39140228, 41200240, 42612345, 45453168, 46350270, 47072880, 47602980, 48925285, 55620324, 56816460, 57123576, 58710342, 61800360, 63470640, 68179752, 69525405, 71404470, 74160432, 75755280, 78280456, 85224690, 88065513, 92700540, 95205960, 97850570, 111240648, 113632920, 114247152, 117420684, 123600720, 136359504, 139050810, 142808940, 146775855, 156560912, 170449380, 176131026, 185401080, 190411920, 195701140, 222481296, 227265840, 234841368, 264196539, 278101620, 285617880, 293551710, 340898760, 352262052, 370802160, 391402280, 440327565, 469682736, 528393078, 556203240, 571235760, 587103420, 681797520, 704524104, 782804560, 880655130, 1056786156, 1112406480, 1174206840, 1320982695, 1409048208, 1761310260, 2113572312, 2348413680, 2641965390, 3522620520, 4227144624, 5283930780, 7045241040, 10567861560, 21135723120]

約数ペア:

[(1, 21135723120), (2, 10567861560), (3, 7045241040), (4, 5283930780), (5, 4227144624), (6, 3522620520), (8, 2641965390), (9, 2348413680), (10, 2113572312), (12, 1761310260), (15, 1409048208), (16, 1320982695), (18, 1174206840), (19, 1112406480), (20, 1056786156), (24, 880655130), (27, 782804560), (30, 704524104), (31, 681797520), (36, 587103420), (37, 571235760), (38, 556203240), (40, 528393078), (45, 469682736), (48, 440327565), (54, 391402280), (57, 370802160), (60, 352262052), (62, 340898760), (72, 293551710), (74, 285617880), (76, 278101620), (80, 264196539), (90, 234841368), (93, 227265840), (95, 222481296), (108, 195701140), (111, 190411920), (114, 185401080), (120, 176131026), (124, 170449380), (135, 156560912), (144, 146775855), (148, 142808940), (152, 139050810), (155, 136359504), (171, 123600720), (180, 117420684), (185, 114247152), (186, 113632920), (190, 111240648), (216, 97850570), (222, 95205960), (228, 92700540), (240, 88065513), (248, 85224690), (270, 78280456), (279, 75755280), (285, 74160432), (296, 71404470), (304, 69525405), (310, 68179752), (333, 63470640), (342, 61800360), (360, 58710342), (370, 57123576), (372, 56816460), (380, 55620324), (432, 48925285), (444, 47602980), (449, 47072880), (456, 46350270), (465, 45453168), (496, 42612345), (513, 41200240), (540, 39140228), (555, 38082384), (558, 37877640), (570, 37080216), (589, 35884080), (592, 35702235), (620, 34089876), (666, 31735320), (684, 30900180), (703, 30065040), (720, 29355171), (740, 28561788), (744, 28408230), (760, 27810162), (837, 25251760), (855, 24720144), (888, 23801490), (898, 23536440), (912, 23175135), (930, 22726584), (999, 21156880), (1026, 20600120), (1080, 19570114), (1110, 19041192), (1116, 18938820), (1140, 18540108), (1147, 18426960), (1178, 17942040), (1240, 17044938), (1332, 15867660), (1347, 15690960), (1368, 15450090), (1395, 15151056), (1406, 15032520), (1480, 14280894), (1488, 14204115), (1520, 13905081), (1665, 12694128), (1674, 12625880), (1710, 12360072), (1767, 11961360), (1776, 11900745), (1796, 11768220), (1860, 11363292), (1998, 10578440), (2052, 10300060), (2109, 10021680), (2160, 9785057), (2220, 9520596), (2232, 9469410), (2245, 9414576), (2280, 9270054), (2294, 9213480), (2356, 8971020), (2480, 8522469), (2565, 8240048), (2664, 7933830), (2694, 7845480), (2736, 7725045), (2790, 7575528), (2812, 7516260), (2945, 7176816), (2960, 7140447), (3330, 6347064), (3348, 6312940), (3420, 6180036), (3441, 6142320), (3515, 6013008), (3534, 5980680), (3592, 5884110), (3720, 5681646), (3996, 5289220), (4041, 5230320), (4104, 5150030), (4185, 5050352), (4218, 5010840), (4440, 4760298), (4464, 4734705), (4490, 4707288), (4560, 4635027), (4588, 4606740), (4712, 4485510), (4995, 4231376), (5130, 4120024), (5301, 3987120), (5328, 3966915), (5388, 3922740), (5580, 3787764), (5624, 3758130), (5735, 3685392), (5890, 3588408), (6327, 3340560), (6660, 3173532), (6696, 3156470), (6735, 3138192), (6840, 3090018), (6882, 3071160), (7030, 3006504), (7068, 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(24246, 871720), (25308, 835140), (25593, 825840), (26505, 797424), (26640, 793383), (26940, 784548), (27528, 767790), (27838, 759240), (28120, 751626), (28272, 747585), (30969, 682480), (31635, 668112), (31806, 664520), (32328, 653790), (33226, 636120), (33480, 631294), (33744, 626355), (34124, 619380), (34410, 614232), (35340, 598068), (35920, 588411), (37962, 556760), (39960, 528922), (40410, 523032), (41040, 515003), (41292, 511860), (41757, 506160), (42180, 501084), (42408, 498390), (42655, 495504), (43586, 484920), (45880, 460674), (47120, 448551), (48492, 435860), (49839, 424080), (50616, 417570), (51186, 412920), (51615, 409488), (53010, 398712), (53880, 392274), (55056, 383895), (55676, 379620), (56240, 375813), (60615, 348688), (61938, 341240), (63270, 334056), (63612, 332260), (64656, 326895), (65379, 323280), (66452, 318060), (66960, 315647), (68248, 309690), (68820, 307116), (69595, 303696), (70680, 299034), (75924, 278380), (76779, 275280), (79515, 265808), (79920, 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