20499504480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{156437}}^1$

素因数の和:156478

約数の個数: 288

約数和(自身を含む): 86098469184

約数和(自身を除く): 65598964704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 336, 360, 364, 390, 416, 420, 455, 468, 480, 504, 520, 546, 560, 585, 624, 630, 672, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1120, 1170, 1248, 1260, 1365, 1440, 1456, 1560, 1638, 1680, 1820, 1872, 2016, 2080, 2184, 2340, 2520, 2730, 2912, 3120, 3276, 3360, 3640, 3744, 4095, 4368, 4680, 5040, 5460, 6240, 6552, 7280, 8190, 8736, 9360, 10080, 10920, 13104, 14560, 16380, 18720, 21840, 26208, 32760, 43680, 65520, 131040, 156437, 312874, 469311, 625748, 782185, 938622, 1095059, 1251496, 1407933, 1564370, 1877244, 2033681, 2190118, 2346555, 2502992, 2815866, 3128740, 3285177, 3754488, 4067362, 4380236, 4693110, 5005984, 5475295, 5631732, 6101043, 6257480, 6570354, 7039665, 7508976, 8134724, 8760472, 9386220, 9855531, 10168405, 10950590, 11263464, 12202086, 12514960, 13140708, 14079330, 14235767, 15017952, 16269448, 16425885, 17520944, 18303129, 18772440, 19711062, 20336810, 21901180, 22526928, 24404172, 25029920, 26281416, 28158660, 28471534, 30505215, 32538896, 32851770, 35041888, 36606258, 37544880, 39422124, 40673620, 42707301, 43802360, 45053856, 48808344, 49277655, 52562832, 56317320, 56943068, 61010430, 65077792, 65703540, 71178835, 73212516, 75089760, 78844248, 81347240, 85414602, 87604720, 91515645, 97616688, 98555310, 105125664, 112634640, 113886136, 122020860, 128121903, 131407080, 142357670, 146425032, 157688496, 162694480, 170829204, 175209440, 183031290, 195233376, 197110620, 213536505, 225269280, 227772272, 244041720, 256243806, 262814160, 284715340, 292850064, 315376992, 325388960, 341658408, 366062580, 394221240, 427073010, 455544544, 488083440, 512487612, 525628320, 569430680, 585700128, 640609515, 683316816, 732125160, 788442480, 854146020, 976166880, 1024975224, 1138861360, 1281219030, 1366633632, 1464250320, 1576884960, 1708292040, 2049950448, 2277722720, 2562438060, 2928500640, 3416584080, 4099900896, 5124876120, 6833168160, 10249752240, 20499504480]

約数ペア:

[(1, 20499504480), (2, 10249752240), (3, 6833168160), (4, 5124876120), (5, 4099900896), (6, 3416584080), (7, 2928500640), (8, 2562438060), (9, 2277722720), (10, 2049950448), (12, 1708292040), (13, 1576884960), (14, 1464250320), (15, 1366633632), (16, 1281219030), (18, 1138861360), (20, 1024975224), (21, 976166880), (24, 854146020), (26, 788442480), (28, 732125160), (30, 683316816), (32, 640609515), (35, 585700128), (36, 569430680), (39, 525628320), (40, 512487612), (42, 488083440), (45, 455544544), (48, 427073010), (52, 394221240), (56, 366062580), (60, 341658408), (63, 325388960), (65, 315376992), (70, 292850064), (72, 284715340), (78, 262814160), (80, 256243806), (84, 244041720), (90, 227772272), (91, 225269280), (96, 213536505), (104, 197110620), (105, 195233376), (112, 183031290), (117, 175209440), (120, 170829204), (126, 162694480), (130, 157688496), (140, 146425032), (144, 142357670), (156, 131407080), (160, 128121903), (168, 122020860), (180, 113886136), (182, 112634640), (195, 105125664), (208, 98555310), (210, 97616688), (224, 91515645), (234, 87604720), (240, 85414602), (252, 81347240), (260, 78844248), (273, 75089760), (280, 73212516), (288, 71178835), (312, 65703540), (315, 65077792), (336, 61010430), (360, 56943068), (364, 56317320), (390, 52562832), (416, 49277655), (420, 48808344), (455, 45053856), (468, 43802360), (480, 42707301), (504, 40673620), (520, 39422124), (546, 37544880), (560, 36606258), (585, 35041888), (624, 32851770), (630, 32538896), (672, 30505215), (720, 28471534), (728, 28158660), (780, 26281416), (819, 25029920), (840, 24404172), (910, 22526928), (936, 21901180), (1008, 20336810), (1040, 19711062), (1092, 18772440), (1120, 18303129), (1170, 17520944), (1248, 16425885), (1260, 16269448), (1365, 15017952), (1440, 14235767), (1456, 14079330), (1560, 13140708), (1638, 12514960), (1680, 12202086), (1820, 11263464), (1872, 10950590), (2016, 10168405), (2080, 9855531), (2184, 9386220), (2340, 8760472), (2520, 8134724), (2730, 7508976), (2912, 7039665), (3120, 6570354), (3276, 6257480), (3360, 6101043), (3640, 5631732), (3744, 5475295), (4095, 5005984), (4368, 4693110), (4680, 4380236), (5040, 4067362), (5460, 3754488), (6240, 3285177), (6552, 3128740), (7280, 2815866), (8190, 2502992), (8736, 2346555), (9360, 2190118), (10080, 2033681), (10920, 1877244), (13104, 1564370), (14560, 1407933), (16380, 1251496), (18720, 1095059), (21840, 938622), (26208, 782185), (32760, 625748), (43680, 469311), (65520, 312874), (131040, 156437)]