155921920

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 240

約数和(自身を含む): 478616688

約数和(自身を除く): 322694768

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 113, 128, 140, 154, 160, 176, 196, 220, 224, 226, 245, 256, 280, 308, 320, 352, 385, 392, 440, 448, 452, 490, 512, 539, 560, 565, 616, 640, 704, 770, 784, 791, 880, 896, 904, 980, 1078, 1120, 1130, 1232, 1243, 1280, 1408, 1540, 1568, 1582, 1760, 1792, 1808, 1960, 2156, 2240, 2260, 2464, 2486, 2560, 2695, 2816, 3080, 3136, 3164, 3520, 3584, 3616, 3920, 3955, 4312, 4480, 4520, 4928, 4972, 5390, 5537, 5632, 6160, 6215, 6272, 6328, 7040, 7232, 7840, 7910, 8624, 8701, 8960, 9040, 9856, 9944, 10780, 11074, 12320, 12430, 12544, 12656, 14080, 14464, 15680, 15820, 17248, 17402, 17920, 18080, 19712, 19888, 21560, 22148, 24640, 24860, 25088, 25312, 27685, 28160, 28928, 31360, 31640, 34496, 34804, 36160, 39424, 39776, 43120, 43505, 44296, 49280, 49720, 50624, 55370, 57856, 60907, 62720, 63280, 68992, 69608, 72320, 79552, 86240, 87010, 88592, 98560, 99440, 101248, 110740, 121814, 125440, 126560, 137984, 139216, 144640, 159104, 172480, 174020, 177184, 197120, 198880, 202496, 221480, 243628, 253120, 275968, 278432, 289280, 304535, 318208, 344960, 348040, 354368, 397760, 404992, 442960, 487256, 506240, 556864, 609070, 636416, 689920, 696080, 708736, 795520, 885920, 974512, 1012480, 1113728, 1218140, 1379840, 1392160, 1417472, 1591040, 1771840, 1949024, 2024960, 2227456, 2436280, 2784320, 2834944, 3182080, 3543680, 3898048, 4454912, 4872560, 5568640, 7087360, 7796096, 9745120, 11137280, 14174720, 15592192, 19490240, 22274560, 31184384, 38980480, 77960960, 155921920]

約数ペア:

[(1, 155921920), (2, 77960960), (4, 38980480), (5, 31184384), (7, 22274560), (8, 19490240), (10, 15592192), (11, 14174720), (14, 11137280), (16, 9745120), (20, 7796096), (22, 7087360), (28, 5568640), (32, 4872560), (35, 4454912), (40, 3898048), (44, 3543680), (49, 3182080), (55, 2834944), (56, 2784320), (64, 2436280), (70, 2227456), (77, 2024960), (80, 1949024), (88, 1771840), (98, 1591040), (110, 1417472), (112, 1392160), (113, 1379840), (128, 1218140), (140, 1113728), (154, 1012480), (160, 974512), (176, 885920), (196, 795520), (220, 708736), (224, 696080), (226, 689920), (245, 636416), (256, 609070), (280, 556864), (308, 506240), (320, 487256), (352, 442960), (385, 404992), (392, 397760), (440, 354368), (448, 348040), (452, 344960), (490, 318208), (512, 304535), (539, 289280), (560, 278432), (565, 275968), (616, 253120), (640, 243628), (704, 221480), (770, 202496), (784, 198880), (791, 197120), (880, 177184), (896, 174020), (904, 172480), (980, 159104), (1078, 144640), (1120, 139216), (1130, 137984), (1232, 126560), (1243, 125440), (1280, 121814), (1408, 110740), (1540, 101248), (1568, 99440), (1582, 98560), (1760, 88592), (1792, 87010), (1808, 86240), (1960, 79552), (2156, 72320), (2240, 69608), (2260, 68992), (2464, 63280), (2486, 62720), (2560, 60907), (2695, 57856), (2816, 55370), (3080, 50624), (3136, 49720), (3164, 49280), (3520, 44296), (3584, 43505), (3616, 43120), (3920, 39776), (3955, 39424), (4312, 36160), (4480, 34804), (4520, 34496), (4928, 31640), (4972, 31360), (5390, 28928), (5537, 28160), (5632, 27685), (6160, 25312), (6215, 25088), (6272, 24860), (6328, 24640), (7040, 22148), (7232, 21560), (7840, 19888), (7910, 19712), (8624, 18080), (8701, 17920), (8960, 17402), (9040, 17248), (9856, 15820), (9944, 15680), (10780, 14464), (11074, 14080), (12320, 12656), (12430, 12544)]