257807160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1838

約数の個数: 192

約数和(自身を含む): 931956480

約数和(自身を除く): 674149320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 744, 780, 806, 930, 936, 1116, 1170, 1209, 1240, 1395, 1560, 1612, 1777, 1860, 2015, 2232, 2340, 2418, 2790, 3224, 3554, 3627, 3720, 4030, 4680, 4836, 5331, 5580, 6045, 7108, 7254, 8060, 8885, 9672, 10662, 11160, 12090, 14216, 14508, 15993, 16120, 17770, 18135, 21324, 23101, 24180, 26655, 29016, 31986, 35540, 36270, 42648, 46202, 48360, 53310, 55087, 63972, 69303, 71080, 72540, 79965, 92404, 106620, 110174, 115505, 127944, 138606, 145080, 159930, 165261, 184808, 207909, 213240, 220348, 231010, 275435, 277212, 319860, 330522, 346515, 415818, 440696, 462020, 495783, 550870, 554424, 639720, 661044, 693030, 716131, 826305, 831636, 924040, 991566, 1039545, 1101740, 1322088, 1386060, 1432262, 1652610, 1663272, 1983132, 2079090, 2148393, 2203480, 2478915, 2772120, 2864524, 3305220, 3580655, 3966264, 4158180, 4296786, 4957830, 5729048, 6445179, 6610440, 7161310, 8316360, 8593572, 9915660, 10741965, 12890358, 14322620, 17187144, 19831320, 21483930, 25780716, 28645240, 32225895, 42967860, 51561432, 64451790, 85935720, 128903580, 257807160]

約数ペア:

[(1, 257807160), (2, 128903580), (3, 85935720), (4, 64451790), (5, 51561432), (6, 42967860), (8, 32225895), (9, 28645240), (10, 25780716), (12, 21483930), (13, 19831320), (15, 17187144), (18, 14322620), (20, 12890358), (24, 10741965), (26, 9915660), (30, 8593572), (31, 8316360), (36, 7161310), (39, 6610440), (40, 6445179), (45, 5729048), (52, 4957830), (60, 4296786), (62, 4158180), (65, 3966264), (72, 3580655), (78, 3305220), (90, 2864524), (93, 2772120), (104, 2478915), (117, 2203480), (120, 2148393), (124, 2079090), (130, 1983132), (155, 1663272), (156, 1652610), (180, 1432262), (186, 1386060), (195, 1322088), (234, 1101740), (248, 1039545), (260, 991566), (279, 924040), (310, 831636), (312, 826305), (360, 716131), (372, 693030), (390, 661044), (403, 639720), (465, 554424), (468, 550870), (520, 495783), (558, 462020), (585, 440696), (620, 415818), (744, 346515), (780, 330522), (806, 319860), (930, 277212), (936, 275435), (1116, 231010), (1170, 220348), (1209, 213240), (1240, 207909), (1395, 184808), (1560, 165261), (1612, 159930), (1777, 145080), (1860, 138606), (2015, 127944), (2232, 115505), (2340, 110174), (2418, 106620), (2790, 92404), (3224, 79965), (3554, 72540), (3627, 71080), (3720, 69303), (4030, 63972), (4680, 55087), (4836, 53310), (5331, 48360), (5580, 46202), (6045, 42648), (7108, 36270), (7254, 35540), (8060, 31986), (8885, 29016), (9672, 26655), (10662, 24180), (11160, 23101), (12090, 21324), (14216, 18135), (14508, 17770), (15993, 16120)]