18128416320

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{128461}}^1$

素因数の和:128498

約数の個数: 252

約数和(自身を含む): 72535040604

約数和(自身を除く): 54406624284

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4704, 5040, 5880, 6720, 7056, 7840, 8820, 9408, 10080, 11760, 14112, 15680, 17640, 20160, 23520, 28224, 35280, 47040, 70560, 128461, 141120, 256922, 385383, 513844, 642305, 770766, 899227, 1027688, 1156149, 1284610, 1541532, 1798454, 1926915, 2055376, 2312298, 2569220, 2697681, 3083064, 3596908, 3853830, 4110752, 4496135, 4624596, 5138440, 5395362, 5780745, 6166128, 6294589, 7193816, 7707660, 8093043, 8221504, 8992270, 9249192, 10276880, 10790724, 11561490, 12332256, 12589178, 13488405, 14387632, 15415320, 16186086, 17984540, 18498384, 18883767, 20553760, 21581448, 23122980, 24664512, 25178356, 26976810, 28775264, 30830640, 31472945, 32372172, 35969080, 36996768, 37767534, 40465215, 41107520, 43162896, 46245960, 50356712, 53953620, 56651301, 57550528, 61661280, 62945890, 64744344, 71938160, 73993536, 75535068, 80930430, 86325792, 92491920, 94418835, 100713424, 107907240, 113302602, 123322560, 125891780, 129488688, 143876320, 151070136, 161860860, 172651584, 184983840, 188837670, 201426848, 215814480, 226605204, 251783560, 258977376, 283256505, 287752640, 302140272, 323721720, 369967680, 377675340, 402853696, 431628960, 453210408, 503567120, 517954752, 566513010, 604280544, 647443440, 755350680, 863257920, 906420816, 1007134240, 1133026020, 1208561088, 1294886880, 1510701360, 1812841632, 2014268480, 2266052040, 2589773760, 3021402720, 3625683264, 4532104080, 6042805440, 9064208160, 18128416320]

約数ペア:

[(1, 18128416320), (2, 9064208160), (3, 6042805440), (4, 4532104080), (5, 3625683264), (6, 3021402720), (7, 2589773760), (8, 2266052040), (9, 2014268480), (10, 1812841632), (12, 1510701360), (14, 1294886880), (15, 1208561088), (16, 1133026020), (18, 1007134240), (20, 906420816), (21, 863257920), (24, 755350680), (28, 647443440), (30, 604280544), (32, 566513010), (35, 517954752), (36, 503567120), (40, 453210408), (42, 431628960), (45, 402853696), (48, 377675340), (49, 369967680), (56, 323721720), (60, 302140272), (63, 287752640), (64, 283256505), (70, 258977376), (72, 251783560), (80, 226605204), (84, 215814480), (90, 201426848), (96, 188837670), (98, 184983840), (105, 172651584), (112, 161860860), (120, 151070136), (126, 143876320), (140, 129488688), (144, 125891780), (147, 123322560), (160, 113302602), (168, 107907240), (180, 100713424), (192, 94418835), (196, 92491920), (210, 86325792), (224, 80930430), (240, 75535068), (245, 73993536), (252, 71938160), (280, 64744344), (288, 62945890), (294, 61661280), (315, 57550528), (320, 56651301), (336, 53953620), (360, 50356712), (392, 46245960), (420, 43162896), (441, 41107520), (448, 40465215), (480, 37767534), (490, 36996768), (504, 35969080), (560, 32372172), (576, 31472945), (588, 30830640), (630, 28775264), (672, 26976810), (720, 25178356), (735, 24664512), (784, 23122980), (840, 21581448), (882, 20553760), (960, 18883767), (980, 18498384), (1008, 17984540), (1120, 16186086), (1176, 15415320), (1260, 14387632), (1344, 13488405), (1440, 12589178), (1470, 12332256), (1568, 11561490), (1680, 10790724), (1764, 10276880), (1960, 9249192), (2016, 8992270), (2205, 8221504), (2240, 8093043), (2352, 7707660), (2520, 7193816), (2880, 6294589), (2940, 6166128), (3136, 5780745), (3360, 5395362), (3528, 5138440), (3920, 4624596), (4032, 4496135), (4410, 4110752), (4704, 3853830), (5040, 3596908), (5880, 3083064), (6720, 2697681), (7056, 2569220), (7840, 2312298), (8820, 2055376), (9408, 1926915), (10080, 1798454), (11760, 1541532), (14112, 1284610), (15680, 1156149), (17640, 1027688), (20160, 899227), (23520, 770766), (28224, 642305), (35280, 513844), (47040, 385383), (70560, 256922), (128461, 141120)]