16961280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{631}}^1$

素因数の和:662

約数の個数: 144

約数和(自身を含む): 62006784

約数和(自身を除く): 45045504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 631, 640, 672, 768, 840, 896, 960, 1120, 1262, 1280, 1344, 1680, 1792, 1893, 1920, 2240, 2524, 2688, 3155, 3360, 3786, 3840, 4417, 4480, 5048, 5376, 6310, 6720, 7572, 8834, 8960, 9465, 10096, 12620, 13251, 13440, 15144, 17668, 18930, 20192, 22085, 25240, 26502, 26880, 30288, 35336, 37860, 40384, 44170, 50480, 53004, 60576, 66255, 70672, 75720, 80768, 88340, 100960, 106008, 121152, 132510, 141344, 151440, 161536, 176680, 201920, 212016, 242304, 265020, 282688, 302880, 353360, 403840, 424032, 484608, 530040, 565376, 605760, 706720, 807680, 848064, 1060080, 1130752, 1211520, 1413440, 1696128, 2120160, 2423040, 2826880, 3392256, 4240320, 5653760, 8480640, 16961280]

約数ペア:

[(1, 16961280), (2, 8480640), (3, 5653760), (4, 4240320), (5, 3392256), (6, 2826880), (7, 2423040), (8, 2120160), (10, 1696128), (12, 1413440), (14, 1211520), (15, 1130752), (16, 1060080), (20, 848064), (21, 807680), (24, 706720), (28, 605760), (30, 565376), (32, 530040), (35, 484608), (40, 424032), (42, 403840), (48, 353360), (56, 302880), (60, 282688), (64, 265020), (70, 242304), (80, 212016), (84, 201920), (96, 176680), (105, 161536), (112, 151440), (120, 141344), (128, 132510), (140, 121152), (160, 106008), (168, 100960), (192, 88340), (210, 80768), (224, 75720), (240, 70672), (256, 66255), (280, 60576), (320, 53004), (336, 50480), (384, 44170), (420, 40384), (448, 37860), (480, 35336), (560, 30288), (631, 26880), (640, 26502), (672, 25240), (768, 22085), (840, 20192), (896, 18930), (960, 17668), (1120, 15144), (1262, 13440), (1280, 13251), (1344, 12620), (1680, 10096), (1792, 9465), (1893, 8960), (1920, 8834), (2240, 7572), (2524, 6720), (2688, 6310), (3155, 5376), (3360, 5048), (3786, 4480), (3840, 4417)]