1663361280

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{20627}}^1$

素因数の和:20661

約数の個数: 216

約数和(自身を含む): 6577526592

約数和(自身を除く): 4914165312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 20627, 26880, 40320, 41254, 61881, 80640, 82508, 103135, 123762, 144389, 165016, 185643, 206270, 247524, 288778, 309405, 330032, 371286, 412540, 433167, 495048, 577556, 618810, 660064, 721945, 742572, 825080, 866334, 928215, 990096, 1155112, 1237620, 1299501, 1320128, 1443890, 1485144, 1650160, 1732668, 1856430, 1980192, 2165835, 2310224, 2475240, 2599002, 2640256, 2887780, 2970288, 3300320, 3465336, 3712860, 3960384, 4331670, 4620448, 4950480, 5198004, 5280512, 5775560, 5940576, 6497505, 6600640, 6930672, 7425720, 7920768, 8663340, 9240896, 9900960, 10396008, 11551120, 11881152, 12995010, 13201280, 13861344, 14851440, 15841536, 17326680, 18481792, 19801920, 20792016, 23102240, 23762304, 25990020, 26402560, 27722688, 29702880, 34653360, 36963584, 39603840, 41584032, 46204480, 47524608, 51980040, 55445376, 59405760, 69306720, 79207680, 83168064, 92408960, 103960080, 110890752, 118811520, 138613440, 166336128, 184817920, 207920160, 237623040, 277226880, 332672256, 415840320, 554453760, 831680640, 1663361280]

約数ペア:

[(1, 1663361280), (2, 831680640), (3, 554453760), (4, 415840320), (5, 332672256), (6, 277226880), (7, 237623040), (8, 207920160), (9, 184817920), (10, 166336128), (12, 138613440), (14, 118811520), (15, 110890752), (16, 103960080), (18, 92408960), (20, 83168064), (21, 79207680), (24, 69306720), (28, 59405760), (30, 55445376), (32, 51980040), (35, 47524608), (36, 46204480), (40, 41584032), (42, 39603840), (45, 36963584), (48, 34653360), (56, 29702880), (60, 27722688), (63, 26402560), (64, 25990020), (70, 23762304), (72, 23102240), (80, 20792016), (84, 19801920), (90, 18481792), (96, 17326680), (105, 15841536), (112, 14851440), (120, 13861344), (126, 13201280), (128, 12995010), (140, 11881152), (144, 11551120), (160, 10396008), (168, 9900960), (180, 9240896), (192, 8663340), (210, 7920768), (224, 7425720), (240, 6930672), (252, 6600640), (256, 6497505), (280, 5940576), (288, 5775560), (315, 5280512), (320, 5198004), (336, 4950480), (360, 4620448), (384, 4331670), (420, 3960384), (448, 3712860), (480, 3465336), (504, 3300320), (560, 2970288), (576, 2887780), (630, 2640256), (640, 2599002), (672, 2475240), (720, 2310224), (768, 2165835), (840, 1980192), (896, 1856430), (960, 1732668), (1008, 1650160), (1120, 1485144), (1152, 1443890), (1260, 1320128), (1280, 1299501), (1344, 1237620), (1440, 1155112), (1680, 990096), (1792, 928215), (1920, 866334), (2016, 825080), (2240, 742572), (2304, 721945), (2520, 660064), (2688, 618810), (2880, 577556), (3360, 495048), (3840, 433167), (4032, 412540), (4480, 371286), (5040, 330032), (5376, 309405), (5760, 288778), (6720, 247524), (8064, 206270), (8960, 185643), (10080, 165016), (11520, 144389), (13440, 123762), (16128, 103135), (20160, 82508), (20627, 80640), (26880, 61881), (40320, 41254)]