261574560

素因数分解:

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

素因数の和:280

約数の個数: 288

約数和(自身を含む): 978279120

約数和(自身を除く): 716704560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 89, 90, 96, 104, 117, 120, 130, 144, 156, 157, 160, 178, 180, 195, 208, 234, 240, 260, 267, 288, 312, 314, 356, 360, 390, 416, 445, 468, 471, 480, 520, 534, 585, 624, 628, 712, 720, 780, 785, 801, 890, 936, 942, 1040, 1068, 1157, 1170, 1248, 1256, 1335, 1413, 1424, 1440, 1560, 1570, 1602, 1780, 1872, 1884, 2041, 2080, 2136, 2314, 2340, 2355, 2512, 2670, 2826, 2848, 3120, 3140, 3204, 3471, 3560, 3744, 3768, 4005, 4082, 4272, 4628, 4680, 4710, 5024, 5340, 5652, 5785, 6123, 6240, 6280, 6408, 6942, 7065, 7120, 7536, 8010, 8164, 8544, 9256, 9360, 9420, 10205, 10413, 10680, 11304, 11570, 12246, 12560, 12816, 13884, 13973, 14130, 14240, 15072, 16020, 16328, 17355, 18369, 18512, 18720, 18840, 20410, 20826, 21360, 22608, 23140, 24492, 25120, 25632, 27768, 27946, 28260, 30615, 32040, 32656, 34710, 36738, 37024, 37680, 40820, 41652, 41919, 42720, 45216, 46280, 48984, 52065, 55536, 55892, 56520, 61230, 64080, 65312, 69420, 69865, 73476, 75360, 81640, 83304, 83838, 91845, 92560, 97968, 104130, 111072, 111784, 113040, 122460, 125757, 128160, 138840, 139730, 146952, 163280, 166608, 167676, 181649, 183690, 185120, 195936, 208260, 209595, 223568, 226080, 244920, 251514, 277680, 279460, 293904, 326560, 333216, 335352, 363298, 367380, 416520, 419190, 447136, 489840, 503028, 544947, 555360, 558920, 587808, 628785, 670704, 726596, 734760, 833040, 838380, 908245, 979680, 1006056, 1089894, 1117840, 1257570, 1341408, 1453192, 1469520, 1634841, 1666080, 1676760, 1816490, 2012112, 2179788, 2235680, 2515140, 2724735, 2906384, 2939040, 3269682, 3353520, 3632980, 4024224, 4359576, 5030280, 5449470, 5812768, 6539364, 6707040, 7265960, 8174205, 8719152, 10060560, 10898940, 13078728, 14531920, 16348410, 17438304, 20121120, 21797880, 26157456, 29063840, 32696820, 43595760, 52314912, 65393640, 87191520, 130787280, 261574560]

約数ペア:

[(1, 261574560), (2, 130787280), (3, 87191520), (4, 65393640), (5, 52314912), (6, 43595760), (8, 32696820), (9, 29063840), (10, 26157456), (12, 21797880), (13, 20121120), (15, 17438304), (16, 16348410), (18, 14531920), (20, 13078728), (24, 10898940), (26, 10060560), (30, 8719152), (32, 8174205), (36, 7265960), (39, 6707040), (40, 6539364), (45, 5812768), (48, 5449470), (52, 5030280), (60, 4359576), (65, 4024224), (72, 3632980), (78, 3353520), (80, 3269682), (89, 2939040), (90, 2906384), (96, 2724735), (104, 2515140), (117, 2235680), (120, 2179788), (130, 2012112), (144, 1816490), (156, 1676760), (157, 1666080), (160, 1634841), (178, 1469520), (180, 1453192), (195, 1341408), (208, 1257570), (234, 1117840), (240, 1089894), (260, 1006056), (267, 979680), (288, 908245), (312, 838380), (314, 833040), (356, 734760), (360, 726596), (390, 670704), (416, 628785), (445, 587808), (468, 558920), (471, 555360), (480, 544947), (520, 503028), (534, 489840), (585, 447136), (624, 419190), (628, 416520), (712, 367380), (720, 363298), (780, 335352), (785, 333216), (801, 326560), (890, 293904), (936, 279460), (942, 277680), (1040, 251514), (1068, 244920), (1157, 226080), (1170, 223568), (1248, 209595), (1256, 208260), (1335, 195936), (1413, 185120), (1424, 183690), (1440, 181649), (1560, 167676), (1570, 166608), (1602, 163280), (1780, 146952), (1872, 139730), (1884, 138840), (2041, 128160), (2080, 125757), (2136, 122460), (2314, 113040), (2340, 111784), (2355, 111072), (2512, 104130), (2670, 97968), (2826, 92560), (2848, 91845), (3120, 83838), (3140, 83304), (3204, 81640), (3471, 75360), (3560, 73476), (3744, 69865), (3768, 69420), (4005, 65312), (4082, 64080), (4272, 61230), (4628, 56520), (4680, 55892), (4710, 55536), (5024, 52065), (5340, 48984), (5652, 46280), (5785, 45216), (6123, 42720), (6240, 41919), (6280, 41652), (6408, 40820), (6942, 37680), (7065, 37024), (7120, 36738), (7536, 34710), (8010, 32656), (8164, 32040), (8544, 30615), (9256, 28260), (9360, 27946), (9420, 27768), (10205, 25632), (10413, 25120), (10680, 24492), (11304, 23140), (11570, 22608), (12246, 21360), (12560, 20826), (12816, 20410), (13884, 18840), (13973, 18720), (14130, 18512), (14240, 18369), (15072, 17355), (16020, 16328)]