20120884560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{6577}}^1$

素因数の和:7210

約数の個数: 240

約数和(自身を含む): 77364857856

約数和(自身を除く): 57243973296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 607, 630, 720, 840, 1008, 1214, 1260, 1680, 1821, 2428, 2520, 3035, 3642, 4249, 4856, 5040, 5463, 6070, 6577, 7284, 8498, 9105, 9712, 10926, 12140, 12747, 13154, 14568, 16996, 18210, 19731, 21245, 21852, 24280, 25494, 26308, 27315, 29136, 32885, 33992, 36420, 38241, 39462, 42490, 43704, 46039, 48560, 50988, 52616, 54630, 59193, 63735, 65770, 67984, 72840, 76482, 78924, 84980, 87408, 92078, 98655, 101976, 105232, 109260, 118386, 127470, 131540, 138117, 145680, 152964, 157848, 169960, 184156, 191205, 197310, 203952, 218520, 230195, 236772, 254940, 263080, 276234, 295965, 305928, 315696, 339920, 368312, 382410, 394620, 414351, 437040, 460390, 473544, 509880, 526160, 552468, 591930, 611856, 690585, 736624, 764820, 789240, 828702, 920780, 947088, 1019760, 1104936, 1183860, 1381170, 1529640, 1578480, 1657404, 1841560, 2071755, 2209872, 2367720, 2762340, 3059280, 3314808, 3683120, 3992239, 4143510, 4735440, 5524680, 6629616, 7984478, 8287020, 11049360, 11976717, 15968956, 16574040, 19961195, 23953434, 27945673, 31937912, 33148080, 35930151, 39922390, 47906868, 55891346, 59883585, 63875824, 71860302, 79844780, 83837019, 95813736, 111782692, 119767170, 139728365, 143720604, 159689560, 167674038, 179650755, 191627472, 223565384, 239534340, 251511057, 279456730, 287441208, 319379120, 335348076, 359301510, 419185095, 447130768, 479068680, 503022114, 558913460, 574882416, 670696152, 718603020, 838370190, 958137360, 1006044228, 1117826920, 1257555285, 1341392304, 1437206040, 1676740380, 2012088456, 2235653840, 2515110570, 2874412080, 3353480760, 4024176912, 5030221140, 6706961520, 10060442280, 20120884560]

約数ペア:

[(1, 20120884560), (2, 10060442280), (3, 6706961520), (4, 5030221140), (5, 4024176912), (6, 3353480760), (7, 2874412080), (8, 2515110570), (9, 2235653840), (10, 2012088456), (12, 1676740380), (14, 1437206040), (15, 1341392304), (16, 1257555285), (18, 1117826920), (20, 1006044228), (21, 958137360), (24, 838370190), (28, 718603020), (30, 670696152), (35, 574882416), (36, 558913460), (40, 503022114), (42, 479068680), (45, 447130768), (48, 419185095), (56, 359301510), (60, 335348076), (63, 319379120), (70, 287441208), (72, 279456730), (80, 251511057), (84, 239534340), (90, 223565384), (105, 191627472), (112, 179650755), (120, 167674038), (126, 159689560), (140, 143720604), (144, 139728365), (168, 119767170), (180, 111782692), (210, 95813736), (240, 83837019), (252, 79844780), (280, 71860302), (315, 63875824), (336, 59883585), (360, 55891346), (420, 47906868), (504, 39922390), (560, 35930151), (607, 33148080), (630, 31937912), (720, 27945673), (840, 23953434), (1008, 19961195), (1214, 16574040), (1260, 15968956), (1680, 11976717), (1821, 11049360), (2428, 8287020), (2520, 7984478), (3035, 6629616), (3642, 5524680), (4249, 4735440), (4856, 4143510), (5040, 3992239), (5463, 3683120), (6070, 3314808), (6577, 3059280), (7284, 2762340), (8498, 2367720), (9105, 2209872), (9712, 2071755), (10926, 1841560), (12140, 1657404), (12747, 1578480), (13154, 1529640), (14568, 1381170), (16996, 1183860), (18210, 1104936), (19731, 1019760), (21245, 947088), (21852, 920780), (24280, 828702), (25494, 789240), (26308, 764820), (27315, 736624), (29136, 690585), (32885, 611856), (33992, 591930), (36420, 552468), (38241, 526160), (39462, 509880), (42490, 473544), (43704, 460390), (46039, 437040), (48560, 414351), (50988, 394620), (52616, 382410), (54630, 368312), (59193, 339920), (63735, 315696), (65770, 305928), (67984, 295965), (72840, 276234), (76482, 263080), (78924, 254940), (84980, 236772), (87408, 230195), (92078, 218520), (98655, 203952), (101976, 197310), (105232, 191205), (109260, 184156), (118386, 169960), (127470, 157848), (131540, 152964), (138117, 145680)]