1213308720

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4801}}^1$

素因数の和:4842

約数の個数: 240

約数和(自身を含む): 4551604512

約数和(自身を除く): 3338295792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 486, 520, 540, 585, 624, 648, 702, 720, 780, 810, 936, 972, 1040, 1053, 1080, 1170, 1215, 1296, 1404, 1560, 1620, 1755, 1872, 1944, 2106, 2160, 2340, 2430, 2808, 3120, 3159, 3240, 3510, 3888, 4212, 4680, 4801, 4860, 5265, 5616, 6318, 6480, 7020, 8424, 9360, 9602, 9720, 10530, 12636, 14040, 14403, 15795, 16848, 19204, 19440, 21060, 24005, 25272, 28080, 28806, 31590, 38408, 42120, 43209, 48010, 50544, 57612, 62413, 63180, 72015, 76816, 84240, 86418, 96020, 115224, 124826, 126360, 129627, 144030, 172836, 187239, 192040, 216045, 230448, 249652, 252720, 259254, 288060, 312065, 345672, 374478, 384080, 388881, 432090, 499304, 518508, 561717, 576120, 624130, 648135, 691344, 748956, 777762, 864180, 936195, 998608, 1037016, 1123434, 1152240, 1166643, 1248260, 1296270, 1497912, 1555524, 1685151, 1728360, 1872390, 1944405, 2074032, 2246868, 2333286, 2496520, 2592540, 2808585, 2995824, 3111048, 3370302, 3456720, 3744780, 3888810, 4493736, 4666572, 4993040, 5055453, 5185080, 5617170, 5833215, 6222096, 6740604, 7489560, 7777620, 8425755, 8987472, 9333144, 10110906, 10370160, 11234340, 11666430, 13481208, 14979120, 15166359, 15555240, 16851510, 18666288, 20221812, 22468680, 23332860, 25277265, 26962416, 30332718, 31110480, 33703020, 40443624, 44937360, 46665720, 50554530, 60665436, 67406040, 75831795, 80887248, 93331440, 101109060, 121330872, 134812080, 151663590, 202218120, 242661744, 303327180, 404436240, 606654360, 1213308720]

約数ペア:

[(1, 1213308720), (2, 606654360), (3, 404436240), (4, 303327180), (5, 242661744), (6, 202218120), (8, 151663590), (9, 134812080), (10, 121330872), (12, 101109060), (13, 93331440), (15, 80887248), (16, 75831795), (18, 67406040), (20, 60665436), (24, 50554530), (26, 46665720), (27, 44937360), (30, 40443624), (36, 33703020), (39, 31110480), (40, 30332718), (45, 26962416), (48, 25277265), (52, 23332860), (54, 22468680), (60, 20221812), (65, 18666288), (72, 16851510), (78, 15555240), (80, 15166359), (81, 14979120), (90, 13481208), (104, 11666430), (108, 11234340), (117, 10370160), (120, 10110906), (130, 9333144), (135, 8987472), (144, 8425755), (156, 7777620), (162, 7489560), (180, 6740604), (195, 6222096), (208, 5833215), (216, 5617170), (234, 5185080), (240, 5055453), (243, 4993040), (260, 4666572), (270, 4493736), (312, 3888810), (324, 3744780), (351, 3456720), (360, 3370302), (390, 3111048), (405, 2995824), (432, 2808585), (468, 2592540), (486, 2496520), (520, 2333286), (540, 2246868), (585, 2074032), (624, 1944405), (648, 1872390), (702, 1728360), (720, 1685151), (780, 1555524), (810, 1497912), (936, 1296270), (972, 1248260), (1040, 1166643), (1053, 1152240), (1080, 1123434), (1170, 1037016), (1215, 998608), (1296, 936195), (1404, 864180), (1560, 777762), (1620, 748956), (1755, 691344), (1872, 648135), (1944, 624130), (2106, 576120), (2160, 561717), (2340, 518508), (2430, 499304), (2808, 432090), (3120, 388881), (3159, 384080), (3240, 374478), (3510, 345672), (3888, 312065), (4212, 288060), (4680, 259254), (4801, 252720), (4860, 249652), (5265, 230448), (5616, 216045), (6318, 192040), (6480, 187239), (7020, 172836), (8424, 144030), (9360, 129627), (9602, 126360), (9720, 124826), (10530, 115224), (12636, 96020), (14040, 86418), (14403, 84240), (15795, 76816), (16848, 72015), (19204, 63180), (19440, 62413), (21060, 57612), (24005, 50544), (25272, 48010), (28080, 43209), (28806, 42120), (31590, 38408)]