1220681280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 448

約数和(自身を含む): 4854366720

約数和(自身を除く): 3633685440

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, 78, 80, 84, 89, 91, 96, 104, 105, 112, 120, 130, 140, 156, 157, 160, 168, 178, 182, 192, 195, 208, 210, 224, 240, 260, 267, 273, 280, 312, 314, 320, 336, 356, 364, 390, 416, 420, 445, 448, 455, 471, 480, 520, 534, 546, 560, 623, 624, 628, 672, 712, 728, 780, 785, 832, 840, 890, 910, 942, 960, 1040, 1068, 1092, 1099, 1120, 1157, 1246, 1248, 1256, 1335, 1344, 1365, 1424, 1456, 1560, 1570, 1680, 1780, 1820, 1869, 1884, 2041, 2080, 2136, 2184, 2198, 2240, 2314, 2355, 2492, 2496, 2512, 2670, 2730, 2848, 2912, 3115, 3120, 3140, 3297, 3360, 3471, 3560, 3640, 3738, 3768, 4082, 4160, 4272, 4368, 4396, 4628, 4710, 4984, 5024, 5340, 5460, 5495, 5696, 5785, 5824, 6123, 6230, 6240, 6280, 6594, 6720, 6942, 7120, 7280, 7476, 7536, 8099, 8164, 8544, 8736, 8792, 9256, 9345, 9420, 9968, 10048, 10205, 10680, 10920, 10990, 11570, 12246, 12460, 12480, 12560, 13188, 13884, 13973, 14240, 14287, 14560, 14952, 15072, 16198, 16328, 16485, 17088, 17355, 17472, 17584, 18512, 18690, 18840, 19936, 20410, 21360, 21840, 21980, 23140, 24297, 24492, 24920, 25120, 26376, 27768, 27946, 28480, 28574, 29120, 29904, 30144, 30615, 32396, 32656, 32970, 34710, 35168, 37024, 37380, 37680, 39872, 40495, 40820, 41919, 42720, 42861, 43680, 43960, 46280, 48594, 48984, 49840, 50240, 52752, 55536, 55892, 57148, 59808, 61230, 64792, 65312, 65940, 69420, 69865, 70336, 71435, 74048, 74760, 75360, 80990, 81640, 83838, 85440, 85722, 87360, 87920, 92560, 97188, 97811, 97968, 99680, 105504, 111072, 111784, 114296, 119616, 121485, 122460, 129584, 130624, 131880, 138840, 139730, 142870, 149520, 150720, 161980, 163280, 167676, 171444, 175840, 181649, 185120, 194376, 195622, 195936, 199360, 209595, 211008, 214305, 222144, 223568, 228592, 242970, 244920, 259168, 263760, 277680, 279460, 285740, 293433, 299040, 323960, 326560, 335352, 342888, 351680, 363298, 370240, 388752, 391244, 391872, 419190, 428610, 447136, 457184, 485940, 489055, 489840, 518336, 527520, 544947, 555360, 558920, 571480, 586866, 598080, 647920, 653120, 670704, 685776, 726596, 777504, 782488, 838380, 857220, 894272, 908245, 914368, 971880, 978110, 979680, 1055040, 1089894, 1110720, 1117840, 1142960, 1173732, 1271543, 1295840, 1341408, 1371552, 1453192, 1467165, 1555008, 1564976, 1676760, 1714440, 1816490, 1943760, 1956220, 1959360, 2179788, 2235680, 2285920, 2347464, 2543086, 2591680, 2682816, 2724735, 2743104, 2906384, 2934330, 3129952, 3353520, 3428880, 3632980, 3814629, 3887520, 3912440, 4359576, 4471360, 4571840, 4694928, 5086172, 5449470, 5812768, 5868660, 6259904, 6357715, 6707040, 6857760, 7265960, 7629258, 7775040, 7824880, 8719152, 9389856, 10172344, 10898940, 11625536, 11737320, 12715430, 13414080, 13715520, 14531920, 15258516, 15649760, 17438304, 18779712, 19073145, 20344688, 21797880, 23474640, 25430860, 29063840, 30517032, 31299520, 34876608, 38146290, 40689376, 43595760, 46949280, 50861720, 58127680, 61034064, 76292580, 81378752, 87191520, 93898560, 101723440, 122068128, 152585160, 174383040, 203446880, 244136256, 305170320, 406893760, 610340640, 1220681280]

約数ペア:

[(1, 1220681280), (2, 610340640), (3, 406893760), (4, 305170320), (5, 244136256), (6, 203446880), (7, 174383040), (8, 152585160), (10, 122068128), (12, 101723440), (13, 93898560), (14, 87191520), (15, 81378752), (16, 76292580), (20, 61034064), (21, 58127680), (24, 50861720), (26, 46949280), (28, 43595760), (30, 40689376), (32, 38146290), (35, 34876608), (39, 31299520), (40, 30517032), (42, 29063840), (48, 25430860), (52, 23474640), (56, 21797880), (60, 20344688), (64, 19073145), (65, 18779712), (70, 17438304), (78, 15649760), (80, 15258516), (84, 14531920), (89, 13715520), (91, 13414080), (96, 12715430), (104, 11737320), (105, 11625536), (112, 10898940), (120, 10172344), (130, 9389856), (140, 8719152), (156, 7824880), (157, 7775040), (160, 7629258), (168, 7265960), (178, 6857760), (182, 6707040), (192, 6357715), (195, 6259904), (208, 5868660), (210, 5812768), (224, 5449470), (240, 5086172), (260, 4694928), (267, 4571840), (273, 4471360), (280, 4359576), (312, 3912440), (314, 3887520), (320, 3814629), (336, 3632980), (356, 3428880), (364, 3353520), (390, 3129952), (416, 2934330), (420, 2906384), (445, 2743104), (448, 2724735), (455, 2682816), (471, 2591680), (480, 2543086), (520, 2347464), (534, 2285920), (546, 2235680), (560, 2179788), (623, 1959360), (624, 1956220), (628, 1943760), (672, 1816490), (712, 1714440), (728, 1676760), (780, 1564976), (785, 1555008), (832, 1467165), (840, 1453192), (890, 1371552), (910, 1341408), (942, 1295840), (960, 1271543), (1040, 1173732), (1068, 1142960), (1092, 1117840), (1099, 1110720), (1120, 1089894), (1157, 1055040), (1246, 979680), (1248, 978110), (1256, 971880), (1335, 914368), (1344, 908245), (1365, 894272), (1424, 857220), (1456, 838380), (1560, 782488), (1570, 777504), (1680, 726596), (1780, 685776), (1820, 670704), (1869, 653120), (1884, 647920), (2041, 598080), (2080, 586866), (2136, 571480), (2184, 558920), (2198, 555360), (2240, 544947), (2314, 527520), (2355, 518336), (2492, 489840), (2496, 489055), (2512, 485940), (2670, 457184), (2730, 447136), (2848, 428610), (2912, 419190), (3115, 391872), (3120, 391244), (3140, 388752), (3297, 370240), (3360, 363298), (3471, 351680), (3560, 342888), (3640, 335352), (3738, 326560), (3768, 323960), (4082, 299040), (4160, 293433), (4272, 285740), (4368, 279460), (4396, 277680), (4628, 263760), (4710, 259168), (4984, 244920), (5024, 242970), (5340, 228592), (5460, 223568), (5495, 222144), (5696, 214305), (5785, 211008), (5824, 209595), (6123, 199360), (6230, 195936), (6240, 195622), (6280, 194376), (6594, 185120), (6720, 181649), (6942, 175840), (7120, 171444), (7280, 167676), (7476, 163280), (7536, 161980), (8099, 150720), (8164, 149520), (8544, 142870), (8736, 139730), (8792, 138840), (9256, 131880), (9345, 130624), (9420, 129584), (9968, 122460), (10048, 121485), (10205, 119616), (10680, 114296), (10920, 111784), (10990, 111072), (11570, 105504), (12246, 99680), (12460, 97968), (12480, 97811), (12560, 97188), (13188, 92560), (13884, 87920), (13973, 87360), (14240, 85722), (14287, 85440), (14560, 83838), (14952, 81640), (15072, 80990), (16198, 75360), (16328, 74760), (16485, 74048), (17088, 71435), (17355, 70336), (17472, 69865), (17584, 69420), (18512, 65940), (18690, 65312), (18840, 64792), (19936, 61230), (20410, 59808), (21360, 57148), (21840, 55892), (21980, 55536), (23140, 52752), (24297, 50240), (24492, 49840), (24920, 48984), (25120, 48594), (26376, 46280), (27768, 43960), (27946, 43680), (28480, 42861), (28574, 42720), (29120, 41919), (29904, 40820), (30144, 40495), (30615, 39872), (32396, 37680), (32656, 37380), (32970, 37024), (34710, 35168)]