261555840

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:544

約数の個数: 384

約数和(自身を含む): 1113840000

約数和(自身を除く): 852284160

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, 64, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 128, 130, 140, 144, 156, 160, 168, 180, 182, 192, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 320, 336, 360, 364, 384, 390, 416, 420, 448, 455, 468, 480, 499, 504, 520, 546, 560, 576, 585, 624, 630, 640, 672, 720, 728, 780, 819, 832, 840, 896, 910, 936, 960, 998, 1008, 1040, 1092, 1120, 1152, 1170, 1248, 1260, 1344, 1365, 1440, 1456, 1497, 1560, 1638, 1664, 1680, 1820, 1872, 1920, 1996, 2016, 2080, 2184, 2240, 2340, 2495, 2496, 2520, 2688, 2730, 2880, 2912, 2994, 3120, 3276, 3360, 3493, 3640, 3744, 3992, 4032, 4095, 4160, 4368, 4480, 4491, 4680, 4990, 4992, 5040, 5460, 5760, 5824, 5988, 6240, 6487, 6552, 6720, 6986, 7280, 7485, 7488, 7984, 8064, 8190, 8320, 8736, 8982, 9360, 9980, 10080, 10479, 10920, 11648, 11976, 12480, 12974, 13104, 13440, 13972, 14560, 14970, 14976, 15968, 16380, 17465, 17472, 17964, 18720, 19461, 19960, 20160, 20958, 21840, 22455, 23952, 24960, 25948, 26208, 27944, 29120, 29940, 31437, 31936, 32435, 32760, 34930, 34944, 35928, 37440, 38922, 39920, 40320, 41916, 43680, 44910, 45409, 47904, 51896, 52395, 52416, 55888, 58240, 58383, 59880, 62874, 63872, 64870, 65520, 69860, 71856, 74880, 77844, 79840, 83832, 87360, 89820, 90818, 95808, 97305, 103792, 104790, 104832, 111776, 116766, 119760, 125748, 129740, 131040, 136227, 139720, 143712, 155688, 157185, 159680, 167664, 174720, 179640, 181636, 191616, 194610, 207584, 209580, 223552, 227045, 233532, 239520, 251496, 259480, 262080, 272454, 279440, 287424, 291915, 311376, 314370, 319360, 335328, 359280, 363272, 389220, 408681, 415168, 419160, 447104, 454090, 467064, 479040, 502992, 518960, 524160, 544908, 558880, 574848, 583830, 622752, 628740, 670656, 681135, 718560, 726544, 778440, 817362, 830336, 838320, 908180, 934128, 958080, 1005984, 1037920, 1089816, 1117760, 1167660, 1245504, 1257480, 1341312, 1362270, 1437120, 1453088, 1556880, 1634724, 1676640, 1816360, 1868256, 2011968, 2043405, 2075840, 2179632, 2235520, 2335320, 2491008, 2514960, 2724540, 2874240, 2906176, 3113760, 3269448, 3353280, 3632720, 3736512, 4023936, 4086810, 4151680, 4359264, 4670640, 5029920, 5449080, 5812352, 6227520, 6538896, 6706560, 7265440, 7473024, 8173620, 8718528, 9341280, 10059840, 10898160, 12455040, 13077792, 14530880, 16347240, 17437056, 18682560, 20119680, 21796320, 26155584, 29061760, 32694480, 37365120, 43592640, 52311168, 65388960, 87185280, 130777920, 261555840]

約数ペア:

[(1, 261555840), (2, 130777920), (3, 87185280), (4, 65388960), (5, 52311168), (6, 43592640), (7, 37365120), (8, 32694480), (9, 29061760), (10, 26155584), (12, 21796320), (13, 20119680), (14, 18682560), (15, 17437056), (16, 16347240), (18, 14530880), (20, 13077792), (21, 12455040), (24, 10898160), (26, 10059840), (28, 9341280), (30, 8718528), (32, 8173620), (35, 7473024), (36, 7265440), (39, 6706560), (40, 6538896), (42, 6227520), (45, 5812352), (48, 5449080), (52, 5029920), (56, 4670640), (60, 4359264), (63, 4151680), (64, 4086810), (65, 4023936), (70, 3736512), (72, 3632720), (78, 3353280), (80, 3269448), (84, 3113760), (90, 2906176), (91, 2874240), (96, 2724540), (104, 2514960), (105, 2491008), (112, 2335320), (117, 2235520), (120, 2179632), (126, 2075840), (128, 2043405), (130, 2011968), (140, 1868256), (144, 1816360), (156, 1676640), (160, 1634724), (168, 1556880), (180, 1453088), (182, 1437120), (192, 1362270), (195, 1341312), (208, 1257480), (210, 1245504), (224, 1167660), (234, 1117760), (240, 1089816), (252, 1037920), (260, 1005984), (273, 958080), (280, 934128), (288, 908180), (312, 838320), (315, 830336), (320, 817362), (336, 778440), (360, 726544), (364, 718560), (384, 681135), (390, 670656), (416, 628740), (420, 622752), (448, 583830), (455, 574848), (468, 558880), (480, 544908), (499, 524160), (504, 518960), (520, 502992), (546, 479040), (560, 467064), (576, 454090), (585, 447104), (624, 419160), (630, 415168), (640, 408681), (672, 389220), (720, 363272), (728, 359280), (780, 335328), (819, 319360), (832, 314370), (840, 311376), (896, 291915), (910, 287424), (936, 279440), (960, 272454), (998, 262080), (1008, 259480), (1040, 251496), (1092, 239520), (1120, 233532), (1152, 227045), (1170, 223552), (1248, 209580), (1260, 207584), (1344, 194610), (1365, 191616), (1440, 181636), (1456, 179640), (1497, 174720), (1560, 167664), (1638, 159680), (1664, 157185), (1680, 155688), (1820, 143712), (1872, 139720), (1920, 136227), (1996, 131040), (2016, 129740), (2080, 125748), (2184, 119760), (2240, 116766), (2340, 111776), (2495, 104832), (2496, 104790), (2520, 103792), (2688, 97305), (2730, 95808), (2880, 90818), (2912, 89820), (2994, 87360), (3120, 83832), (3276, 79840), (3360, 77844), (3493, 74880), (3640, 71856), (3744, 69860), (3992, 65520), (4032, 64870), (4095, 63872), (4160, 62874), (4368, 59880), (4480, 58383), (4491, 58240), (4680, 55888), (4990, 52416), (4992, 52395), (5040, 51896), (5460, 47904), (5760, 45409), (5824, 44910), (5988, 43680), (6240, 41916), (6487, 40320), (6552, 39920), (6720, 38922), (6986, 37440), (7280, 35928), (7485, 34944), (7488, 34930), (7984, 32760), (8064, 32435), (8190, 31936), (8320, 31437), (8736, 29940), (8982, 29120), (9360, 27944), (9980, 26208), (10080, 25948), (10479, 24960), (10920, 23952), (11648, 22455), (11976, 21840), (12480, 20958), (12974, 20160), (13104, 19960), (13440, 19461), (13972, 18720), (14560, 17964), (14970, 17472), (14976, 17465), (15968, 16380)]