1680893760

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:382

約数の個数: 448

約数和(自身を含む): 6685507584

約数和(自身を除く): 5004613824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 71, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 142, 156, 160, 168, 182, 192, 195, 208, 210, 213, 224, 240, 260, 271, 273, 280, 284, 312, 320, 336, 355, 364, 390, 416, 420, 426, 448, 455, 480, 497, 520, 542, 546, 560, 568, 624, 672, 710, 728, 780, 813, 832, 840, 852, 910, 923, 960, 994, 1040, 1065, 1084, 1092, 1120, 1136, 1248, 1344, 1355, 1365, 1420, 1456, 1491, 1560, 1626, 1680, 1704, 1820, 1846, 1897, 1988, 2080, 2130, 2168, 2184, 2240, 2272, 2485, 2496, 2710, 2730, 2769, 2840, 2912, 2982, 3120, 3252, 3360, 3408, 3523, 3640, 3692, 3794, 3976, 4065, 4160, 4260, 4336, 4368, 4544, 4615, 4970, 5420, 5460, 5538, 5680, 5691, 5824, 5964, 6240, 6461, 6504, 6720, 6816, 7046, 7280, 7384, 7455, 7588, 7952, 8130, 8520, 8672, 8736, 9230, 9485, 9940, 10569, 10840, 10920, 11076, 11360, 11382, 11928, 12480, 12922, 13008, 13632, 13845, 14092, 14560, 14768, 14910, 15176, 15904, 16260, 17040, 17344, 17472, 17615, 18460, 18970, 19241, 19383, 19880, 21138, 21680, 21840, 22152, 22720, 22764, 23856, 24661, 25844, 26016, 27690, 28184, 28455, 29120, 29536, 29820, 30352, 31808, 32305, 32520, 34080, 35230, 36920, 37940, 38482, 38766, 39760, 42276, 43360, 43680, 44304, 45528, 47712, 49322, 51688, 52032, 52845, 55380, 56368, 56910, 57723, 59072, 59640, 60704, 64610, 65040, 68160, 70460, 73840, 73983, 75880, 76964, 77532, 79520, 84552, 86720, 87360, 88608, 91056, 95424, 96205, 96915, 98644, 103376, 105690, 110760, 112736, 113820, 115446, 119280, 121408, 123305, 129220, 130080, 134687, 140920, 147680, 147966, 151760, 153928, 155064, 159040, 169104, 177216, 182112, 192410, 193830, 197288, 206752, 211380, 221520, 225472, 227640, 230892, 238560, 246610, 250133, 258440, 260160, 269374, 281840, 288615, 295360, 295932, 303520, 307856, 310128, 338208, 364224, 369915, 384820, 387660, 394576, 404061, 413504, 422760, 443040, 455280, 461784, 477120, 493220, 500266, 516880, 538748, 563680, 577230, 591864, 607040, 615712, 620256, 673435, 676416, 739830, 750399, 769640, 775320, 789152, 808122, 845520, 886080, 910560, 923568, 986440, 1000532, 1033760, 1077496, 1127360, 1154460, 1183728, 1231424, 1240512, 1250665, 1346870, 1479660, 1500798, 1539280, 1550640, 1578304, 1616244, 1691040, 1750931, 1821120, 1847136, 1972880, 2001064, 2020305, 2067520, 2154992, 2308920, 2367456, 2501330, 2693740, 2959320, 3001596, 3078560, 3101280, 3232488, 3382080, 3501862, 3694272, 3751995, 3945760, 4002128, 4040610, 4309984, 4617840, 4734912, 5002660, 5252793, 5387480, 5918640, 6003192, 6157120, 6202560, 6464976, 7003724, 7503990, 7891520, 8004256, 8081220, 8619968, 8754655, 9235680, 10005320, 10505586, 10774960, 11837280, 12006384, 12929952, 14007448, 15007980, 16008512, 16162440, 17509310, 18471360, 20010640, 21011172, 21549920, 23674560, 24012768, 25859904, 26263965, 28014896, 30015960, 32324880, 35018620, 40021280, 42022344, 43099840, 48025536, 52527930, 56029792, 60031920, 64649760, 70037240, 80042560, 84044688, 105055860, 112059584, 120063840, 129299520, 140074480, 168089376, 210111720, 240127680, 280148960, 336178752, 420223440, 560297920, 840446880, 1680893760]

約数ペア:

[(1, 1680893760), (2, 840446880), (3, 560297920), (4, 420223440), (5, 336178752), (6, 280148960), (7, 240127680), (8, 210111720), (10, 168089376), (12, 140074480), (13, 129299520), (14, 120063840), (15, 112059584), (16, 105055860), (20, 84044688), (21, 80042560), (24, 70037240), (26, 64649760), (28, 60031920), (30, 56029792), (32, 52527930), (35, 48025536), (39, 43099840), (40, 42022344), (42, 40021280), (48, 35018620), (52, 32324880), (56, 30015960), (60, 28014896), (64, 26263965), (65, 25859904), (70, 24012768), (71, 23674560), (78, 21549920), (80, 21011172), (84, 20010640), (91, 18471360), (96, 17509310), (104, 16162440), (105, 16008512), (112, 15007980), (120, 14007448), (130, 12929952), (140, 12006384), (142, 11837280), (156, 10774960), (160, 10505586), (168, 10005320), (182, 9235680), (192, 8754655), (195, 8619968), (208, 8081220), (210, 8004256), (213, 7891520), (224, 7503990), (240, 7003724), (260, 6464976), (271, 6202560), (273, 6157120), (280, 6003192), (284, 5918640), (312, 5387480), (320, 5252793), (336, 5002660), (355, 4734912), (364, 4617840), (390, 4309984), (416, 4040610), (420, 4002128), (426, 3945760), (448, 3751995), (455, 3694272), (480, 3501862), (497, 3382080), (520, 3232488), (542, 3101280), (546, 3078560), (560, 3001596), (568, 2959320), (624, 2693740), (672, 2501330), (710, 2367456), (728, 2308920), (780, 2154992), (813, 2067520), (832, 2020305), (840, 2001064), (852, 1972880), (910, 1847136), (923, 1821120), (960, 1750931), (994, 1691040), (1040, 1616244), (1065, 1578304), (1084, 1550640), (1092, 1539280), (1120, 1500798), (1136, 1479660), (1248, 1346870), (1344, 1250665), (1355, 1240512), (1365, 1231424), (1420, 1183728), (1456, 1154460), (1491, 1127360), (1560, 1077496), (1626, 1033760), (1680, 1000532), (1704, 986440), (1820, 923568), (1846, 910560), (1897, 886080), (1988, 845520), (2080, 808122), (2130, 789152), (2168, 775320), (2184, 769640), (2240, 750399), (2272, 739830), (2485, 676416), (2496, 673435), (2710, 620256), (2730, 615712), (2769, 607040), (2840, 591864), (2912, 577230), (2982, 563680), (3120, 538748), (3252, 516880), (3360, 500266), (3408, 493220), (3523, 477120), (3640, 461784), (3692, 455280), (3794, 443040), (3976, 422760), (4065, 413504), (4160, 404061), (4260, 394576), (4336, 387660), (4368, 384820), (4544, 369915), (4615, 364224), (4970, 338208), (5420, 310128), (5460, 307856), (5538, 303520), (5680, 295932), (5691, 295360), (5824, 288615), (5964, 281840), (6240, 269374), (6461, 260160), (6504, 258440), (6720, 250133), (6816, 246610), (7046, 238560), (7280, 230892), (7384, 227640), (7455, 225472), (7588, 221520), (7952, 211380), (8130, 206752), (8520, 197288), (8672, 193830), (8736, 192410), (9230, 182112), (9485, 177216), (9940, 169104), (10569, 159040), (10840, 155064), (10920, 153928), (11076, 151760), (11360, 147966), (11382, 147680), (11928, 140920), (12480, 134687), (12922, 130080), (13008, 129220), (13632, 123305), (13845, 121408), (14092, 119280), (14560, 115446), (14768, 113820), (14910, 112736), (15176, 110760), (15904, 105690), (16260, 103376), (17040, 98644), (17344, 96915), (17472, 96205), (17615, 95424), (18460, 91056), (18970, 88608), (19241, 87360), (19383, 86720), (19880, 84552), (21138, 79520), (21680, 77532), (21840, 76964), (22152, 75880), (22720, 73983), (22764, 73840), (23856, 70460), (24661, 68160), (25844, 65040), (26016, 64610), (27690, 60704), (28184, 59640), (28455, 59072), (29120, 57723), (29536, 56910), (29820, 56368), (30352, 55380), (31808, 52845), (32305, 52032), (32520, 51688), (34080, 49322), (35230, 47712), (36920, 45528), (37940, 44304), (38482, 43680), (38766, 43360), (39760, 42276)]