266702080

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1499}}^1$

素因数の和:1659

約数の個数: 72

約数和(自身を含む): 643860000

約数和(自身を除く): 377157920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 556, 640, 695, 1112, 1280, 1390, 1499, 2224, 2780, 2998, 4448, 5560, 5996, 7495, 8896, 11120, 11992, 14990, 17792, 22240, 23984, 29980, 35584, 44480, 47968, 59960, 88960, 95936, 119920, 177920, 191872, 208361, 239840, 383744, 416722, 479680, 833444, 959360, 1041805, 1666888, 1918720, 2083610, 3333776, 4167220, 6667552, 8334440, 13335104, 16668880, 26670208, 33337760, 53340416, 66675520, 133351040, 266702080]

約数ペア:

[(1, 266702080), (2, 133351040), (4, 66675520), (5, 53340416), (8, 33337760), (10, 26670208), (16, 16668880), (20, 13335104), (32, 8334440), (40, 6667552), (64, 4167220), (80, 3333776), (128, 2083610), (139, 1918720), (160, 1666888), (256, 1041805), (278, 959360), (320, 833444), (556, 479680), (640, 416722), (695, 383744), (1112, 239840), (1280, 208361), (1390, 191872), (1499, 177920), (2224, 119920), (2780, 95936), (2998, 88960), (4448, 59960), (5560, 47968), (5996, 44480), (7495, 35584), (8896, 29980), (11120, 23984), (11992, 22240), (14990, 17792)]