317927680

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 216

約数和(自身を含む): 916451928

約数和(自身を除く): 598524248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 128, 137, 140, 148, 160, 185, 196, 224, 245, 256, 259, 274, 280, 296, 320, 370, 392, 448, 490, 518, 548, 560, 592, 640, 685, 740, 784, 896, 959, 980, 1036, 1096, 1120, 1184, 1280, 1295, 1370, 1480, 1568, 1792, 1813, 1918, 1960, 2072, 2192, 2240, 2368, 2590, 2740, 2960, 3136, 3626, 3836, 3920, 4144, 4384, 4480, 4736, 4795, 5069, 5180, 5480, 5920, 6272, 6713, 7252, 7672, 7840, 8288, 8768, 8960, 9065, 9472, 9590, 10138, 10360, 10960, 11840, 12544, 13426, 14504, 15344, 15680, 16576, 17536, 18130, 19180, 20276, 20720, 21920, 23680, 25345, 26852, 29008, 30688, 31360, 33152, 33565, 35072, 35483, 36260, 38360, 40552, 41440, 43840, 47360, 50690, 53704, 58016, 61376, 62720, 66304, 67130, 70966, 72520, 76720, 81104, 82880, 87680, 101380, 107408, 116032, 122752, 134260, 141932, 145040, 153440, 162208, 165760, 175360, 177415, 202760, 214816, 232064, 245504, 248381, 268520, 283864, 290080, 306880, 324416, 331520, 354830, 405520, 429632, 464128, 496762, 537040, 567728, 580160, 613760, 648832, 709660, 811040, 859264, 993524, 1074080, 1135456, 1160320, 1227520, 1241905, 1297664, 1419320, 1622080, 1718528, 1987048, 2148160, 2270912, 2320640, 2483810, 2838640, 3244160, 3974096, 4296320, 4541824, 4967620, 5677280, 6488320, 7948192, 8592640, 9083648, 9935240, 11354560, 15896384, 19870480, 22709120, 31792768, 39740960, 45418240, 63585536, 79481920, 158963840, 317927680]

約数ペア:

[(1, 317927680), (2, 158963840), (4, 79481920), (5, 63585536), (7, 45418240), (8, 39740960), (10, 31792768), (14, 22709120), (16, 19870480), (20, 15896384), (28, 11354560), (32, 9935240), (35, 9083648), (37, 8592640), (40, 7948192), (49, 6488320), (56, 5677280), (64, 4967620), (70, 4541824), (74, 4296320), (80, 3974096), (98, 3244160), (112, 2838640), (128, 2483810), (137, 2320640), (140, 2270912), (148, 2148160), (160, 1987048), (185, 1718528), (196, 1622080), (224, 1419320), (245, 1297664), (256, 1241905), (259, 1227520), (274, 1160320), (280, 1135456), (296, 1074080), (320, 993524), (370, 859264), (392, 811040), (448, 709660), (490, 648832), (518, 613760), (548, 580160), (560, 567728), (592, 537040), (640, 496762), (685, 464128), (740, 429632), (784, 405520), (896, 354830), (959, 331520), (980, 324416), (1036, 306880), (1096, 290080), (1120, 283864), (1184, 268520), (1280, 248381), (1295, 245504), (1370, 232064), (1480, 214816), (1568, 202760), (1792, 177415), (1813, 175360), (1918, 165760), (1960, 162208), (2072, 153440), (2192, 145040), (2240, 141932), (2368, 134260), (2590, 122752), (2740, 116032), (2960, 107408), (3136, 101380), (3626, 87680), (3836, 82880), (3920, 81104), (4144, 76720), (4384, 72520), (4480, 70966), (4736, 67130), (4795, 66304), (5069, 62720), (5180, 61376), (5480, 58016), (5920, 53704), (6272, 50690), (6713, 47360), (7252, 43840), (7672, 41440), (7840, 40552), (8288, 38360), (8768, 36260), (8960, 35483), (9065, 35072), (9472, 33565), (9590, 33152), (10138, 31360), (10360, 30688), (10960, 29008), (11840, 26852), (12544, 25345), (13426, 23680), (14504, 21920), (15344, 20720), (15680, 20276), (16576, 19180), (17536, 18130)]