20164898160

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:145

約数の個数: 840

約数和(自身を含む): 83126112624

約数和(自身を除く): 62961214464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 27, 30, 33, 34, 36, 40, 43, 44, 45, 48, 51, 54, 55, 60, 66, 68, 72, 80, 81, 85, 86, 88, 90, 99, 102, 108, 110, 120, 129, 132, 135, 136, 144, 153, 162, 165, 170, 172, 176, 180, 187, 198, 204, 215, 216, 220, 240, 243, 255, 258, 264, 270, 272, 297, 306, 324, 330, 340, 344, 360, 374, 387, 396, 405, 408, 430, 432, 440, 459, 473, 486, 495, 510, 516, 528, 540, 561, 594, 612, 645, 648, 660, 680, 688, 720, 729, 731, 748, 765, 774, 792, 810, 816, 860, 880, 891, 918, 935, 946, 972, 990, 1020, 1032, 1080, 1122, 1161, 1188, 1215, 1224, 1290, 1296, 1320, 1360, 1377, 1419, 1458, 1462, 1485, 1496, 1530, 1548, 1584, 1620, 1683, 1720, 1782, 1836, 1849, 1870, 1892, 1935, 1944, 1980, 2040, 2064, 2160, 2193, 2244, 2295, 2322, 2365, 2376, 2430, 2448, 2580, 2640, 2673, 2754, 2805, 2838, 2916, 2924, 2970, 2992, 3060, 3096, 3240, 3366, 3440, 3483, 3564, 3645, 3655, 3672, 3698, 3740, 3784, 3870, 3888, 3960, 4080, 4131, 4257, 4386, 4455, 4488, 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約数ペア:

[(1, 20164898160), (2, 10082449080), (3, 6721632720), (4, 5041224540), (5, 4032979632), (6, 3360816360), (8, 2520612270), (9, 2240544240), (10, 2016489816), (11, 1833172560), (12, 1680408180), (15, 1344326544), (16, 1260306135), (17, 1186170480), (18, 1120272120), (20, 1008244908), (22, 916586280), (24, 840204090), (27, 746848080), (30, 672163272), (33, 611057520), (34, 593085240), (36, 560136060), (40, 504122454), (43, 468951120), (44, 458293140), (45, 448108848), (48, 420102045), (51, 395390160), (54, 373424040), (55, 366634512), (60, 336081636), (66, 305528760), (68, 296542620), (72, 280068030), (80, 252061227), (81, 248949360), (85, 237234096), (86, 234475560), (88, 229146570), (90, 224054424), (99, 203685840), (102, 197695080), (108, 186712020), (110, 183317256), (120, 168040818), (129, 156317040), (132, 152764380), (135, 149369616), (136, 148271310), (144, 140034015), (153, 131796720), (162, 124474680), (165, 122211504), (170, 118617048), (172, 117237780), (176, 114573285), (180, 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(946, 21315960), (972, 20745780), (990, 20368584), (1020, 19769508), (1032, 19539630), (1080, 18671202), (1122, 17972280), (1161, 17368560), (1188, 16973820), (1215, 16596624), (1224, 16474590), (1290, 15631704), (1296, 15559335), (1320, 15276438), (1360, 14827131), (1377, 14644080), (1419, 14210640), (1458, 13830520), (1462, 13792680), (1485, 13579056), (1496, 13479210), (1530, 13179672), (1548, 13026420), (1584, 12730365), (1620, 12447468), (1683, 11981520), (1720, 11723778), (1782, 11315880), (1836, 10983060), (1849, 10905840), (1870, 10783368), (1892, 10657980), (1935, 10421136), (1944, 10372890), (1980, 10184292), (2040, 9884754), (2064, 9769815), (2160, 9335601), (2193, 9195120), (2244, 8986140), (2295, 8786448), (2322, 8684280), (2365, 8526384), (2376, 8486910), (2430, 8298312), (2448, 8237295), (2580, 7815852), (2640, 7638219), (2673, 7543920), (2754, 7322040), (2805, 7188912), (2838, 7105320), (2916, 6915260), (2924, 6896340), (2970, 6789528), (2992, 6739605), (3060, 6589836), 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