260136640

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:354

約数の個数: 112

約数和(自身を含む): 644908032

約数和(自身を除く): 384771392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 127, 148, 160, 173, 185, 254, 296, 320, 346, 370, 508, 592, 635, 692, 740, 865, 1016, 1184, 1270, 1384, 1480, 1730, 2032, 2368, 2540, 2768, 2960, 3460, 4064, 4699, 5080, 5536, 5920, 6401, 6920, 8128, 9398, 10160, 11072, 11840, 12802, 13840, 18796, 20320, 21971, 23495, 25604, 27680, 32005, 37592, 40640, 43942, 46990, 51208, 55360, 64010, 75184, 87884, 93980, 102416, 109855, 128020, 150368, 175768, 187960, 204832, 219710, 256040, 300736, 351536, 375920, 409664, 439420, 512080, 703072, 751840, 812927, 878840, 1024160, 1406144, 1503680, 1625854, 1757680, 2048320, 3251708, 3515360, 4064635, 6503416, 7030720, 8129270, 13006832, 16258540, 26013664, 32517080, 52027328, 65034160, 130068320, 260136640]

約数ペア:

[(1, 260136640), (2, 130068320), (4, 65034160), (5, 52027328), (8, 32517080), (10, 26013664), (16, 16258540), (20, 13006832), (32, 8129270), (37, 7030720), (40, 6503416), (64, 4064635), (74, 3515360), (80, 3251708), (127, 2048320), (148, 1757680), (160, 1625854), (173, 1503680), (185, 1406144), (254, 1024160), (296, 878840), (320, 812927), (346, 751840), (370, 703072), (508, 512080), (592, 439420), (635, 409664), (692, 375920), (740, 351536), (865, 300736), (1016, 256040), (1184, 219710), (1270, 204832), (1384, 187960), (1480, 175768), (1730, 150368), (2032, 128020), (2368, 109855), (2540, 102416), (2768, 93980), (2960, 87884), (3460, 75184), (4064, 64010), (4699, 55360), (5080, 51208), (5536, 46990), (5920, 43942), (6401, 40640), (6920, 37592), (8128, 32005), (9398, 27680), (10160, 25604), (11072, 23495), (11840, 21971), (12802, 20320), (13840, 18796)]