138631040

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 348325920

約数和(自身を除く): 209694880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 61, 64, 67, 80, 106, 122, 128, 134, 160, 212, 244, 265, 268, 305, 320, 335, 424, 488, 530, 536, 610, 640, 670, 848, 976, 1060, 1072, 1220, 1340, 1696, 1952, 2120, 2144, 2440, 2680, 3233, 3392, 3551, 3904, 4087, 4240, 4288, 4880, 5360, 6466, 6784, 7102, 7808, 8174, 8480, 8576, 9760, 10720, 12932, 14204, 16165, 16348, 16960, 17755, 19520, 20435, 21440, 25864, 28408, 32330, 32696, 33920, 35510, 39040, 40870, 42880, 51728, 56816, 64660, 65392, 71020, 81740, 103456, 113632, 129320, 130784, 142040, 163480, 206912, 216611, 227264, 258640, 261568, 284080, 326960, 413824, 433222, 454528, 517280, 523136, 568160, 653920, 866444, 1034560, 1083055, 1136320, 1307840, 1732888, 2069120, 2166110, 2272640, 2615680, 3465776, 4332220, 6931552, 8664440, 13863104, 17328880, 27726208, 34657760, 69315520, 138631040]

約数ペア:

[(1, 138631040), (2, 69315520), (4, 34657760), (5, 27726208), (8, 17328880), (10, 13863104), (16, 8664440), (20, 6931552), (32, 4332220), (40, 3465776), (53, 2615680), (61, 2272640), (64, 2166110), (67, 2069120), (80, 1732888), (106, 1307840), (122, 1136320), (128, 1083055), (134, 1034560), (160, 866444), (212, 653920), (244, 568160), (265, 523136), (268, 517280), (305, 454528), (320, 433222), (335, 413824), (424, 326960), (488, 284080), (530, 261568), (536, 258640), (610, 227264), (640, 216611), (670, 206912), (848, 163480), (976, 142040), (1060, 130784), (1072, 129320), (1220, 113632), (1340, 103456), (1696, 81740), (1952, 71020), (2120, 65392), (2144, 64660), (2440, 56816), (2680, 51728), (3233, 42880), (3392, 40870), (3551, 39040), (3904, 35510), (4087, 33920), (4240, 32696), (4288, 32330), (4880, 28408), (5360, 25864), (6466, 21440), (6784, 20435), (7102, 19520), (7808, 17755), (8174, 16960), (8480, 16348), (8576, 16165), (9760, 14204), (10720, 12932)]