251105280

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 208

約数和(自身を含む): 828798144

約数和(自身を除く): 577692864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 67, 80, 96, 120, 122, 128, 134, 160, 183, 192, 201, 240, 244, 256, 268, 305, 320, 335, 366, 384, 402, 480, 488, 512, 536, 610, 640, 670, 732, 768, 804, 915, 960, 976, 1005, 1024, 1072, 1220, 1280, 1340, 1464, 1536, 1608, 1830, 1920, 1952, 2010, 2048, 2144, 2440, 2560, 2680, 2928, 3072, 3216, 3660, 3840, 3904, 4020, 4087, 4096, 4288, 4880, 5120, 5360, 5856, 6144, 6432, 7320, 7680, 7808, 8040, 8174, 8576, 9760, 10240, 10720, 11712, 12261, 12288, 12864, 14640, 15360, 15616, 16080, 16348, 17152, 19520, 20435, 20480, 21440, 23424, 24522, 25728, 29280, 30720, 31232, 32160, 32696, 34304, 39040, 40870, 42880, 46848, 49044, 51456, 58560, 61305, 61440, 62464, 64320, 65392, 68608, 78080, 81740, 85760, 93696, 98088, 102912, 117120, 122610, 124928, 128640, 130784, 137216, 156160, 163480, 171520, 187392, 196176, 205824, 234240, 245220, 249856, 257280, 261568, 274432, 312320, 326960, 343040, 374784, 392352, 411648, 468480, 490440, 514560, 523136, 624640, 653920, 686080, 749568, 784704, 823296, 936960, 980880, 1029120, 1046272, 1249280, 1307840, 1372160, 1569408, 1873920, 1961760, 2058240, 2092544, 2615680, 3138816, 3747840, 3923520, 4116480, 4185088, 5231360, 6277632, 7847040, 8370176, 10462720, 12555264, 15694080, 16740352, 20925440, 25110528, 31388160, 41850880, 50221056, 62776320, 83701760, 125552640, 251105280]

約数ペア:

[(1, 251105280), (2, 125552640), (3, 83701760), (4, 62776320), (5, 50221056), (6, 41850880), (8, 31388160), (10, 25110528), (12, 20925440), (15, 16740352), (16, 15694080), (20, 12555264), (24, 10462720), (30, 8370176), (32, 7847040), (40, 6277632), (48, 5231360), (60, 4185088), (61, 4116480), (64, 3923520), (67, 3747840), (80, 3138816), (96, 2615680), (120, 2092544), (122, 2058240), (128, 1961760), (134, 1873920), (160, 1569408), (183, 1372160), (192, 1307840), (201, 1249280), (240, 1046272), (244, 1029120), (256, 980880), (268, 936960), (305, 823296), (320, 784704), (335, 749568), (366, 686080), (384, 653920), (402, 624640), (480, 523136), (488, 514560), (512, 490440), (536, 468480), (610, 411648), (640, 392352), (670, 374784), (732, 343040), (768, 326960), (804, 312320), (915, 274432), (960, 261568), (976, 257280), (1005, 249856), (1024, 245220), (1072, 234240), (1220, 205824), (1280, 196176), (1340, 187392), (1464, 171520), (1536, 163480), (1608, 156160), (1830, 137216), (1920, 130784), (1952, 128640), (2010, 124928), (2048, 122610), (2144, 117120), (2440, 102912), (2560, 98088), (2680, 93696), (2928, 85760), (3072, 81740), (3216, 78080), (3660, 68608), (3840, 65392), (3904, 64320), (4020, 62464), (4087, 61440), (4096, 61305), (4288, 58560), (4880, 51456), (5120, 49044), (5360, 46848), (5856, 42880), (6144, 40870), (6432, 39040), (7320, 34304), (7680, 32696), (7808, 32160), (8040, 31232), (8174, 30720), (8576, 29280), (9760, 25728), (10240, 24522), (10720, 23424), (11712, 21440), (12261, 20480), (12288, 20435), (12864, 19520), (14640, 17152), (15360, 16348), (15616, 16080)]