1388988160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 288

約数和(自身を含む): 4120704000

約数和(自身を除く): 2731715840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 41, 56, 64, 70, 76, 80, 82, 95, 112, 128, 133, 140, 152, 160, 164, 190, 199, 205, 224, 256, 266, 280, 287, 304, 320, 328, 380, 398, 410, 448, 532, 560, 574, 608, 640, 656, 665, 760, 779, 796, 820, 896, 995, 1064, 1120, 1148, 1216, 1280, 1312, 1330, 1393, 1435, 1520, 1558, 1592, 1640, 1792, 1990, 2128, 2240, 2296, 2432, 2624, 2660, 2786, 2870, 3040, 3116, 3184, 3280, 3781, 3895, 3980, 4256, 4480, 4592, 4864, 5248, 5320, 5453, 5572, 5740, 6080, 6232, 6368, 6560, 6965, 7562, 7790, 7960, 8159, 8512, 8960, 9184, 10496, 10640, 10906, 11144, 11480, 12160, 12464, 12736, 13120, 13930, 15124, 15580, 15920, 16318, 17024, 18368, 18905, 21280, 21812, 22288, 22960, 24320, 24928, 25472, 26240, 26467, 27265, 27860, 30248, 31160, 31840, 32636, 34048, 36736, 37810, 40795, 42560, 43624, 44576, 45920, 49856, 50944, 52480, 52934, 54530, 55720, 57113, 60496, 62320, 63680, 65272, 73472, 75620, 81590, 85120, 87248, 89152, 91840, 99712, 105868, 109060, 111440, 114226, 120992, 124640, 127360, 130544, 132335, 151240, 155021, 163180, 170240, 174496, 178304, 183680, 199424, 211736, 218120, 222880, 228452, 241984, 249280, 254720, 261088, 264670, 285565, 302480, 310042, 326360, 348992, 356608, 367360, 423472, 436240, 445760, 456904, 483968, 498560, 522176, 529340, 571130, 604960, 620084, 652720, 697984, 775105, 846944, 872480, 891520, 913808, 967936, 997120, 1044352, 1058680, 1085147, 1142260, 1209920, 1240168, 1305440, 1395968, 1550210, 1693888, 1744960, 1783040, 1827616, 2088704, 2117360, 2170294, 2284520, 2419840, 2480336, 2610880, 3100420, 3387776, 3489920, 3655232, 4234720, 4340588, 4569040, 4839680, 4960672, 5221760, 5425735, 6200840, 6775552, 6979840, 7310464, 8469440, 8681176, 9138080, 9921344, 10443520, 10851470, 12401680, 14620928, 16938880, 17362352, 18276160, 19842688, 21702940, 24803360, 33877760, 34724704, 36552320, 39685376, 43405880, 49606720, 69449408, 73104640, 86811760, 99213440, 138898816, 173623520, 198426880, 277797632, 347247040, 694494080, 1388988160]

約数ペア:

[(1, 1388988160), (2, 694494080), (4, 347247040), (5, 277797632), (7, 198426880), (8, 173623520), (10, 138898816), (14, 99213440), (16, 86811760), (19, 73104640), (20, 69449408), (28, 49606720), (32, 43405880), (35, 39685376), (38, 36552320), (40, 34724704), (41, 33877760), (56, 24803360), (64, 21702940), (70, 19842688), (76, 18276160), (80, 17362352), (82, 16938880), (95, 14620928), (112, 12401680), (128, 10851470), (133, 10443520), (140, 9921344), (152, 9138080), (160, 8681176), (164, 8469440), (190, 7310464), (199, 6979840), (205, 6775552), (224, 6200840), (256, 5425735), (266, 5221760), (280, 4960672), (287, 4839680), (304, 4569040), (320, 4340588), (328, 4234720), (380, 3655232), (398, 3489920), (410, 3387776), (448, 3100420), (532, 2610880), (560, 2480336), (574, 2419840), (608, 2284520), (640, 2170294), (656, 2117360), (665, 2088704), (760, 1827616), (779, 1783040), (796, 1744960), (820, 1693888), (896, 1550210), (995, 1395968), (1064, 1305440), (1120, 1240168), (1148, 1209920), (1216, 1142260), (1280, 1085147), (1312, 1058680), (1330, 1044352), (1393, 997120), (1435, 967936), (1520, 913808), (1558, 891520), (1592, 872480), (1640, 846944), (1792, 775105), (1990, 697984), (2128, 652720), (2240, 620084), (2296, 604960), (2432, 571130), (2624, 529340), (2660, 522176), (2786, 498560), (2870, 483968), (3040, 456904), (3116, 445760), (3184, 436240), (3280, 423472), (3781, 367360), (3895, 356608), (3980, 348992), (4256, 326360), (4480, 310042), (4592, 302480), (4864, 285565), (5248, 264670), (5320, 261088), (5453, 254720), (5572, 249280), (5740, 241984), (6080, 228452), (6232, 222880), (6368, 218120), (6560, 211736), (6965, 199424), (7562, 183680), (7790, 178304), (7960, 174496), (8159, 170240), (8512, 163180), (8960, 155021), (9184, 151240), (10496, 132335), (10640, 130544), (10906, 127360), (11144, 124640), (11480, 120992), (12160, 114226), (12464, 111440), (12736, 109060), (13120, 105868), (13930, 99712), (15124, 91840), (15580, 89152), (15920, 87248), (16318, 85120), (17024, 81590), (18368, 75620), (18905, 73472), (21280, 65272), (21812, 63680), (22288, 62320), (22960, 60496), (24320, 57113), (24928, 55720), (25472, 54530), (26240, 52934), (26467, 52480), (27265, 50944), (27860, 49856), (30248, 45920), (31160, 44576), (31840, 43624), (32636, 42560), (34048, 40795), (36736, 37810)]