1990111680

素因数分解:

$2^6\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:503

約数の個数: 392

約数和(自身を含む): 7495794000

約数和(自身を除く): 5505682320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 243, 270, 285, 288, 304, 320, 324, 342, 360, 380, 405, 432, 449, 456, 480, 486, 513, 540, 570, 576, 608, 648, 684, 720, 729, 760, 810, 855, 864, 898, 912, 960, 972, 1026, 1080, 1140, 1215, 1216, 1296, 1347, 1368, 1440, 1458, 1520, 1539, 1620, 1710, 1728, 1796, 1824, 1944, 2052, 2160, 2245, 2280, 2430, 2565, 2592, 2694, 2736, 2880, 2916, 3040, 3078, 3240, 3420, 3592, 3645, 3648, 3888, 4041, 4104, 4320, 4490, 4560, 4617, 4860, 5130, 5184, 5388, 5472, 5832, 6080, 6156, 6480, 6735, 6840, 7184, 7290, 7695, 7776, 8082, 8208, 8531, 8640, 8980, 9120, 9234, 9720, 10260, 10776, 10944, 11664, 12123, 12312, 12960, 13470, 13680, 13851, 14368, 14580, 15390, 15552, 16164, 16416, 17062, 17960, 18240, 18468, 19440, 20205, 20520, 21552, 23085, 23328, 24246, 24624, 25593, 25920, 26940, 27360, 27702, 28736, 29160, 30780, 32328, 32832, 34124, 35920, 36369, 36936, 38880, 40410, 41040, 42655, 43104, 46170, 46656, 48492, 49248, 51186, 53880, 54720, 55404, 58320, 60615, 61560, 64656, 68248, 69255, 71840, 72738, 73872, 76779, 77760, 80820, 82080, 85310, 86208, 92340, 96984, 98496, 102372, 107760, 109107, 110808, 116640, 121230, 123120, 127965, 129312, 136496, 138510, 143680, 145476, 147744, 153558, 161640, 164160, 170620, 181845, 184680, 193968, 204744, 215520, 218214, 221616, 230337, 233280, 242460, 246240, 255930, 258624, 272992, 277020, 290952, 295488, 307116, 323280, 327321, 341240, 363690, 369360, 383895, 387936, 409488, 431040, 436428, 443232, 460674, 484920, 492480, 511860, 545535, 545984, 554040, 581904, 614232, 646560, 654642, 682480, 691011, 727380, 738720, 767790, 775872, 818976, 872856, 886464, 921348, 969840, 1023720, 1091070, 1108080, 1151685, 1163808, 1228464, 1293120, 1309284, 1364960, 1382022, 1454760, 1477440, 1535580, 1636605, 1637952, 1745712, 1842696, 1939680, 2047440, 2073033, 2182140, 2216160, 2303370, 2327616, 2456928, 2618568, 2729920, 2764044, 2909520, 3071160, 3273210, 3455055, 3491424, 3685392, 3879360, 4094880, 4146066, 4364280, 4432320, 4606740, 4913856, 5237136, 5528088, 5819040, 6142320, 6219099, 6546420, 6910110, 6982848, 7370784, 8189760, 8292132, 8728560, 9213480, 10365165, 10474272, 11056176, 11638080, 12284640, 12438198, 13092840, 13820220, 14741568, 16584264, 17457120, 18426960, 20730330, 20948544, 22112352, 24569280, 24876396, 26185680, 27640440, 31095495, 33168528, 34914240, 36853920, 41460660, 44224704, 49752792, 52371360, 55280880, 62190990, 66337056, 73707840, 82921320, 99505584, 104742720, 110561760, 124381980, 132674112, 165842640, 199011168, 221123520, 248763960, 331685280, 398022336, 497527920, 663370560, 995055840, 1990111680]

約数ペア:

[(1, 1990111680), (2, 995055840), (3, 663370560), (4, 497527920), (5, 398022336), (6, 331685280), (8, 248763960), (9, 221123520), (10, 199011168), (12, 165842640), (15, 132674112), (16, 124381980), (18, 110561760), (19, 104742720), (20, 99505584), (24, 82921320), (27, 73707840), (30, 66337056), (32, 62190990), (36, 55280880), (38, 52371360), (40, 49752792), (45, 44224704), (48, 41460660), (54, 36853920), (57, 34914240), (60, 33168528), (64, 31095495), (72, 27640440), (76, 26185680), (80, 24876396), (81, 24569280), (90, 22112352), (95, 20948544), (96, 20730330), (108, 18426960), (114, 17457120), (120, 16584264), (135, 14741568), (144, 13820220), (152, 13092840), (160, 12438198), (162, 12284640), (171, 11638080), (180, 11056176), (190, 10474272), (192, 10365165), (216, 9213480), (228, 8728560), (240, 8292132), (243, 8189760), (270, 7370784), (285, 6982848), (288, 6910110), (304, 6546420), (320, 6219099), (324, 6142320), (342, 5819040), (360, 5528088), (380, 5237136), (405, 4913856), (432, 4606740), (449, 4432320), (456, 4364280), (480, 4146066), (486, 4094880), (513, 3879360), (540, 3685392), (570, 3491424), (576, 3455055), (608, 3273210), (648, 3071160), (684, 2909520), (720, 2764044), (729, 2729920), (760, 2618568), (810, 2456928), (855, 2327616), (864, 2303370), (898, 2216160), (912, 2182140), (960, 2073033), (972, 2047440), (1026, 1939680), (1080, 1842696), (1140, 1745712), (1215, 1637952), (1216, 1636605), (1296, 1535580), (1347, 1477440), (1368, 1454760), (1440, 1382022), (1458, 1364960), (1520, 1309284), (1539, 1293120), (1620, 1228464), (1710, 1163808), (1728, 1151685), (1796, 1108080), (1824, 1091070), (1944, 1023720), (2052, 969840), (2160, 921348), (2245, 886464), (2280, 872856), (2430, 818976), (2565, 775872), (2592, 767790), (2694, 738720), (2736, 727380), (2880, 691011), (2916, 682480), (3040, 654642), (3078, 646560), (3240, 614232), (3420, 581904), (3592, 554040), (3645, 545984), (3648, 545535), (3888, 511860), (4041, 492480), (4104, 484920), (4320, 460674), (4490, 443232), (4560, 436428), (4617, 431040), (4860, 409488), (5130, 387936), (5184, 383895), (5388, 369360), (5472, 363690), (5832, 341240), (6080, 327321), (6156, 323280), (6480, 307116), (6735, 295488), (6840, 290952), (7184, 277020), (7290, 272992), (7695, 258624), (7776, 255930), (8082, 246240), (8208, 242460), (8531, 233280), (8640, 230337), (8980, 221616), (9120, 218214), (9234, 215520), (9720, 204744), (10260, 193968), (10776, 184680), (10944, 181845), (11664, 170620), (12123, 164160), (12312, 161640), (12960, 153558), (13470, 147744), (13680, 145476), (13851, 143680), (14368, 138510), (14580, 136496), (15390, 129312), (15552, 127965), (16164, 123120), (16416, 121230), (17062, 116640), (17960, 110808), (18240, 109107), (18468, 107760), (19440, 102372), (20205, 98496), (20520, 96984), (21552, 92340), (23085, 86208), (23328, 85310), (24246, 82080), (24624, 80820), (25593, 77760), (25920, 76779), (26940, 73872), (27360, 72738), (27702, 71840), (28736, 69255), (29160, 68248), (30780, 64656), (32328, 61560), (32832, 60615), (34124, 58320), (35920, 55404), (36369, 54720), (36936, 53880), (38880, 51186), (40410, 49248), (41040, 48492), (42655, 46656), (43104, 46170)]