20578064640

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3847}}^1$

素因数の和:4077

約数の個数: 288

約数和(自身を含む): 75506995200

約数和(自身を除く): 54928930560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 199, 210, 224, 240, 256, 280, 320, 336, 384, 398, 420, 448, 480, 560, 597, 640, 672, 768, 796, 840, 896, 960, 995, 1120, 1194, 1280, 1344, 1393, 1592, 1680, 1792, 1920, 1990, 2240, 2388, 2688, 2786, 2985, 3184, 3360, 3840, 3847, 3980, 4179, 4480, 4776, 5376, 5572, 5970, 6368, 6720, 6965, 7694, 7960, 8358, 8960, 9552, 11144, 11541, 11940, 12736, 13440, 13930, 15388, 15920, 16716, 19104, 19235, 20895, 22288, 23082, 23880, 25472, 26880, 26929, 27860, 30776, 31840, 33432, 38208, 38470, 41790, 44576, 46164, 47760, 50944, 53858, 55720, 57705, 61552, 63680, 66864, 76416, 76940, 80787, 83580, 89152, 92328, 95520, 107716, 111440, 115410, 123104, 127360, 133728, 134645, 152832, 153880, 161574, 167160, 178304, 184656, 191040, 215432, 222880, 230820, 246208, 254720, 267456, 269290, 307760, 323148, 334320, 356608, 369312, 382080, 403935, 430864, 445760, 461640, 492416, 534912, 538580, 615520, 646296, 668640, 738624, 764160, 765553, 807870, 861728, 891520, 923280, 984832, 1069824, 1077160, 1231040, 1292592, 1337280, 1477248, 1531106, 1615740, 1723456, 1783040, 1846560, 2154320, 2296659, 2462080, 2585184, 2674560, 2954496, 3062212, 3231480, 3446912, 3693120, 3827765, 4308640, 4593318, 4924160, 5170368, 5349120, 5358871, 6124424, 6462960, 6893824, 7386240, 7655530, 8617280, 9186636, 10340736, 10717742, 11483295, 12248848, 12925920, 14772480, 15311060, 16076613, 17234560, 18373272, 20681472, 21435484, 22966590, 24497696, 25851840, 26794355, 30622120, 32153226, 34469120, 36746544, 42870968, 45933180, 48995392, 51703680, 53588710, 61244240, 64306452, 73493088, 80383065, 85741936, 91866360, 97990784, 103407360, 107177420, 122488480, 128612904, 146986176, 160766130, 171483872, 183732720, 195981568, 214354840, 244976960, 257225808, 293972352, 321532260, 342967744, 367465440, 428709680, 489953920, 514451616, 587944704, 643064520, 685935488, 734930880, 857419360, 979907840, 1028903232, 1286129040, 1371870976, 1469861760, 1714838720, 2057806464, 2572258080, 2939723520, 3429677440, 4115612928, 5144516160, 6859354880, 10289032320, 20578064640]

約数ペア:

[(1, 20578064640), (2, 10289032320), (3, 6859354880), (4, 5144516160), (5, 4115612928), (6, 3429677440), (7, 2939723520), (8, 2572258080), (10, 2057806464), (12, 1714838720), (14, 1469861760), (15, 1371870976), (16, 1286129040), (20, 1028903232), (21, 979907840), (24, 857419360), (28, 734930880), (30, 685935488), (32, 643064520), (35, 587944704), (40, 514451616), (42, 489953920), (48, 428709680), (56, 367465440), (60, 342967744), (64, 321532260), (70, 293972352), (80, 257225808), (84, 244976960), (96, 214354840), (105, 195981568), (112, 183732720), (120, 171483872), (128, 160766130), (140, 146986176), (160, 128612904), (168, 122488480), (192, 107177420), (199, 103407360), (210, 97990784), (224, 91866360), (240, 85741936), (256, 80383065), (280, 73493088), (320, 64306452), (336, 61244240), (384, 53588710), (398, 51703680), (420, 48995392), (448, 45933180), (480, 42870968), (560, 36746544), (597, 34469120), (640, 32153226), (672, 30622120), (768, 26794355), (796, 25851840), (840, 24497696), (896, 22966590), (960, 21435484), (995, 20681472), (1120, 18373272), (1194, 17234560), (1280, 16076613), (1344, 15311060), (1393, 14772480), (1592, 12925920), (1680, 12248848), (1792, 11483295), (1920, 10717742), (1990, 10340736), (2240, 9186636), (2388, 8617280), (2688, 7655530), (2786, 7386240), (2985, 6893824), (3184, 6462960), (3360, 6124424), (3840, 5358871), (3847, 5349120), (3980, 5170368), (4179, 4924160), (4480, 4593318), (4776, 4308640), (5376, 3827765), (5572, 3693120), (5970, 3446912), (6368, 3231480), (6720, 3062212), (6965, 2954496), (7694, 2674560), (7960, 2585184), (8358, 2462080), (8960, 2296659), (9552, 2154320), (11144, 1846560), (11541, 1783040), (11940, 1723456), (12736, 1615740), (13440, 1531106), (13930, 1477248), (15388, 1337280), (15920, 1292592), (16716, 1231040), (19104, 1077160), (19235, 1069824), (20895, 984832), (22288, 923280), (23082, 891520), (23880, 861728), (25472, 807870), (26880, 765553), (26929, 764160), (27860, 738624), (30776, 668640), (31840, 646296), (33432, 615520), (38208, 538580), (38470, 534912), (41790, 492416), (44576, 461640), (46164, 445760), (47760, 430864), (50944, 403935), (53858, 382080), (55720, 369312), (57705, 356608), (61552, 334320), (63680, 323148), (66864, 307760), (76416, 269290), (76940, 267456), (80787, 254720), (83580, 246208), (89152, 230820), (92328, 222880), (95520, 215432), (107716, 191040), (111440, 184656), (115410, 178304), (123104, 167160), (127360, 161574), (133728, 153880), (134645, 152832)]