2145909920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:356

約数の個数: 288

約数和(自身を含む): 6515510400

約数和(自身を除く): 4369600480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 149, 154, 160, 167, 176, 196, 220, 224, 245, 280, 298, 308, 334, 352, 385, 392, 440, 490, 539, 560, 596, 616, 668, 745, 770, 784, 835, 880, 980, 1043, 1078, 1120, 1169, 1192, 1232, 1336, 1490, 1540, 1568, 1639, 1670, 1760, 1837, 1960, 2086, 2156, 2338, 2384, 2464, 2672, 2695, 2980, 3080, 3278, 3340, 3674, 3920, 4172, 4312, 4676, 4768, 5215, 5344, 5390, 5845, 5960, 6160, 6556, 6680, 7301, 7348, 7840, 8183, 8195, 8344, 8624, 9185, 9352, 10430, 10780, 11473, 11690, 11920, 12320, 12859, 13112, 13360, 14602, 14696, 16366, 16390, 16688, 17248, 18370, 18704, 20860, 21560, 22946, 23380, 23840, 24883, 25718, 26224, 26720, 29204, 29392, 32732, 32780, 33376, 36505, 36740, 37408, 40915, 41720, 43120, 45892, 46760, 49766, 51436, 52448, 57365, 58408, 58784, 64295, 65464, 65560, 73010, 73480, 80311, 81830, 83440, 86240, 90013, 91784, 93520, 99532, 102872, 114730, 116816, 124415, 128590, 130928, 131120, 146020, 146960, 160622, 163660, 166880, 174181, 180026, 183568, 187040, 199064, 205744, 229460, 233632, 248830, 257180, 261856, 262240, 273713, 292040, 293920, 321244, 327320, 348362, 360052, 367136, 398128, 401555, 411488, 450065, 458920, 497660, 514360, 547426, 584080, 642488, 654640, 696724, 720104, 796256, 803110, 870905, 900130, 917840, 995320, 1028720, 1094852, 1168160, 1219267, 1284976, 1309280, 1368565, 1393448, 1440208, 1606220, 1741810, 1800260, 1835680, 1915991, 1990640, 2057440, 2189704, 2438534, 2569952, 2737130, 2786896, 2880416, 3212440, 3483620, 3600520, 3831982, 3981280, 4379408, 4877068, 5474260, 5573792, 6096335, 6424880, 6967240, 7201040, 7663964, 8758816, 9579955, 9754136, 10948520, 12192670, 12849760, 13411937, 13934480, 14402080, 15327928, 19159910, 19508272, 21897040, 24385340, 26823874, 27868960, 30655856, 38319820, 39016544, 43794080, 48770680, 53647748, 61311712, 67059685, 76639640, 97541360, 107295496, 134119370, 153279280, 195082720, 214590992, 268238740, 306558560, 429181984, 536477480, 1072954960, 2145909920]

約数ペア:

[(1, 2145909920), (2, 1072954960), (4, 536477480), (5, 429181984), (7, 306558560), (8, 268238740), (10, 214590992), (11, 195082720), (14, 153279280), (16, 134119370), (20, 107295496), (22, 97541360), (28, 76639640), (32, 67059685), (35, 61311712), (40, 53647748), (44, 48770680), (49, 43794080), (55, 39016544), (56, 38319820), (70, 30655856), (77, 27868960), (80, 26823874), (88, 24385340), (98, 21897040), (110, 19508272), (112, 19159910), (140, 15327928), (149, 14402080), (154, 13934480), (160, 13411937), (167, 12849760), (176, 12192670), (196, 10948520), (220, 9754136), (224, 9579955), (245, 8758816), (280, 7663964), (298, 7201040), (308, 6967240), (334, 6424880), (352, 6096335), (385, 5573792), (392, 5474260), (440, 4877068), (490, 4379408), (539, 3981280), (560, 3831982), (596, 3600520), (616, 3483620), (668, 3212440), (745, 2880416), (770, 2786896), (784, 2737130), (835, 2569952), (880, 2438534), (980, 2189704), (1043, 2057440), (1078, 1990640), (1120, 1915991), (1169, 1835680), (1192, 1800260), (1232, 1741810), (1336, 1606220), (1490, 1440208), (1540, 1393448), (1568, 1368565), (1639, 1309280), (1670, 1284976), (1760, 1219267), (1837, 1168160), (1960, 1094852), (2086, 1028720), (2156, 995320), (2338, 917840), (2384, 900130), (2464, 870905), (2672, 803110), (2695, 796256), (2980, 720104), (3080, 696724), (3278, 654640), (3340, 642488), (3674, 584080), (3920, 547426), (4172, 514360), (4312, 497660), (4676, 458920), (4768, 450065), (5215, 411488), (5344, 401555), (5390, 398128), (5845, 367136), (5960, 360052), (6160, 348362), (6556, 327320), (6680, 321244), (7301, 293920), (7348, 292040), (7840, 273713), (8183, 262240), (8195, 261856), (8344, 257180), (8624, 248830), (9185, 233632), (9352, 229460), (10430, 205744), (10780, 199064), (11473, 187040), (11690, 183568), (11920, 180026), (12320, 174181), (12859, 166880), (13112, 163660), (13360, 160622), (14602, 146960), (14696, 146020), (16366, 131120), (16390, 130928), (16688, 128590), (17248, 124415), (18370, 116816), (18704, 114730), (20860, 102872), (21560, 99532), (22946, 93520), (23380, 91784), (23840, 90013), (24883, 86240), (25718, 83440), (26224, 81830), (26720, 80311), (29204, 73480), (29392, 73010), (32732, 65560), (32780, 65464), (33376, 64295), (36505, 58784), (36740, 58408), (37408, 57365), (40915, 52448), (41720, 51436), (43120, 49766), (45892, 46760)]