16656640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2$

素因数の和:65

約数の個数: 216

約数和(自身を含む): 53863488

約数和(自身を除く): 37206848

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 128, 130, 140, 143, 154, 160, 169, 176, 182, 208, 220, 224, 256, 260, 280, 286, 308, 320, 338, 352, 364, 385, 416, 440, 448, 455, 520, 560, 572, 616, 640, 676, 704, 715, 728, 770, 832, 845, 880, 896, 910, 1001, 1040, 1120, 1144, 1183, 1232, 1280, 1352, 1408, 1430, 1456, 1540, 1664, 1690, 1760, 1792, 1820, 1859, 2002, 2080, 2240, 2288, 2366, 2464, 2704, 2816, 2860, 2912, 3080, 3328, 3380, 3520, 3640, 3718, 4004, 4160, 4480, 4576, 4732, 4928, 5005, 5408, 5720, 5824, 5915, 6160, 6760, 7040, 7280, 7436, 8008, 8320, 8960, 9152, 9295, 9464, 9856, 10010, 10816, 11440, 11648, 11830, 12320, 13013, 13520, 14080, 14560, 14872, 16016, 16640, 18304, 18590, 18928, 19712, 20020, 21632, 22880, 23296, 23660, 24640, 26026, 27040, 29120, 29744, 32032, 36608, 37180, 37856, 40040, 43264, 45760, 47320, 49280, 52052, 54080, 58240, 59488, 64064, 65065, 74360, 75712, 80080, 91520, 94640, 98560, 104104, 108160, 116480, 118976, 128128, 130130, 148720, 151424, 160160, 183040, 189280, 208208, 216320, 237952, 256256, 260260, 297440, 302848, 320320, 378560, 416416, 475904, 520520, 594880, 640640, 757120, 832832, 1041040, 1189760, 1281280, 1514240, 1665664, 2082080, 2379520, 3331328, 4164160, 8328320, 16656640]

約数ペア:

[(1, 16656640), (2, 8328320), (4, 4164160), (5, 3331328), (7, 2379520), (8, 2082080), (10, 1665664), (11, 1514240), (13, 1281280), (14, 1189760), (16, 1041040), (20, 832832), (22, 757120), (26, 640640), (28, 594880), (32, 520520), (35, 475904), (40, 416416), (44, 378560), (52, 320320), (55, 302848), (56, 297440), (64, 260260), (65, 256256), (70, 237952), (77, 216320), (80, 208208), (88, 189280), (91, 183040), (104, 160160), (110, 151424), (112, 148720), (128, 130130), (130, 128128), (140, 118976), (143, 116480), (154, 108160), (160, 104104), (169, 98560), (176, 94640), (182, 91520), (208, 80080), (220, 75712), (224, 74360), (256, 65065), (260, 64064), (280, 59488), (286, 58240), (308, 54080), (320, 52052), (338, 49280), (352, 47320), (364, 45760), (385, 43264), (416, 40040), (440, 37856), (448, 37180), (455, 36608), (520, 32032), (560, 29744), (572, 29120), (616, 27040), (640, 26026), (676, 24640), (704, 23660), (715, 23296), (728, 22880), (770, 21632), (832, 20020), (845, 19712), (880, 18928), (896, 18590), (910, 18304), (1001, 16640), (1040, 16016), (1120, 14872), (1144, 14560), (1183, 14080), (1232, 13520), (1280, 13013), (1352, 12320), (1408, 11830), (1430, 11648), (1456, 11440), (1540, 10816), (1664, 10010), (1690, 9856), (1760, 9464), (1792, 9295), (1820, 9152), (1859, 8960), (2002, 8320), (2080, 8008), (2240, 7436), (2288, 7280), (2366, 7040), (2464, 6760), (2704, 6160), (2816, 5915), (2860, 5824), (2912, 5720), (3080, 5408), (3328, 5005), (3380, 4928), (3520, 4732), (3640, 4576), (3718, 4480), (4004, 4160)]