991880640

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2251}}^1$

素因数の和:2297

約数の個数: 280

約数和(自身を含む): 3737500272

約数和(自身を除く): 2745619632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 162, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 324, 340, 360, 405, 408, 432, 459, 480, 510, 540, 544, 576, 612, 648, 680, 720, 765, 810, 816, 864, 918, 960, 1020, 1080, 1088, 1224, 1296, 1360, 1377, 1440, 1530, 1620, 1632, 1728, 1836, 2040, 2160, 2251, 2295, 2448, 2592, 2720, 2754, 2880, 3060, 3240, 3264, 3672, 4080, 4320, 4502, 4590, 4896, 5184, 5440, 5508, 6120, 6480, 6753, 6885, 7344, 8160, 8640, 9004, 9180, 9792, 11016, 11255, 12240, 12960, 13506, 13770, 14688, 16320, 18008, 18360, 20259, 22032, 22510, 24480, 25920, 27012, 27540, 29376, 33765, 36016, 36720, 38267, 40518, 44064, 45020, 48960, 54024, 55080, 60777, 67530, 72032, 73440, 76534, 81036, 88128, 90040, 101295, 108048, 110160, 114801, 121554, 135060, 144064, 146880, 153068, 162072, 180080, 182331, 191335, 202590, 216096, 220320, 229602, 243108, 270120, 303885, 306136, 324144, 344403, 360160, 364662, 382670, 405180, 432192, 440640, 459204, 486216, 540240, 574005, 607770, 612272, 648288, 688806, 720320, 729324, 765340, 810360, 911655, 918408, 972432, 1033209, 1080480, 1148010, 1215540, 1224544, 1296576, 1377612, 1458648, 1530680, 1620720, 1722015, 1823310, 1836816, 1944864, 2066418, 2160960, 2296020, 2431080, 2449088, 2755224, 2917296, 3061360, 3099627, 3241440, 3444030, 3646620, 3673632, 3889728, 4132836, 4592040, 4862160, 5166045, 5510448, 5834592, 6122720, 6199254, 6482880, 6888060, 7293240, 7347264, 8265672, 9184080, 9724320, 10332090, 11020896, 11669184, 12245440, 12398508, 13776120, 14586480, 15498135, 16531344, 18368160, 19448640, 20664180, 22041792, 24797016, 27552240, 29172960, 30996270, 33062688, 36736320, 41328360, 49594032, 55104480, 58345920, 61992540, 66125376, 82656720, 99188064, 110208960, 123985080, 165313440, 198376128, 247970160, 330626880, 495940320, 991880640]

約数ペア:

[(1, 991880640), (2, 495940320), (3, 330626880), (4, 247970160), (5, 198376128), (6, 165313440), (8, 123985080), (9, 110208960), (10, 99188064), (12, 82656720), (15, 66125376), (16, 61992540), (17, 58345920), (18, 55104480), (20, 49594032), (24, 41328360), (27, 36736320), (30, 33062688), (32, 30996270), (34, 29172960), (36, 27552240), (40, 24797016), (45, 22041792), (48, 20664180), (51, 19448640), (54, 18368160), (60, 16531344), (64, 15498135), (68, 14586480), (72, 13776120), (80, 12398508), (81, 12245440), (85, 11669184), (90, 11020896), (96, 10332090), (102, 9724320), (108, 9184080), (120, 8265672), (135, 7347264), (136, 7293240), (144, 6888060), (153, 6482880), (160, 6199254), (162, 6122720), (170, 5834592), (180, 5510448), (192, 5166045), (204, 4862160), (216, 4592040), (240, 4132836), (255, 3889728), (270, 3673632), (272, 3646620), (288, 3444030), (306, 3241440), (320, 3099627), (324, 3061360), (340, 2917296), (360, 2755224), (405, 2449088), (408, 2431080), (432, 2296020), (459, 2160960), (480, 2066418), (510, 1944864), (540, 1836816), (544, 1823310), (576, 1722015), (612, 1620720), (648, 1530680), (680, 1458648), (720, 1377612), (765, 1296576), (810, 1224544), (816, 1215540), (864, 1148010), (918, 1080480), (960, 1033209), (1020, 972432), (1080, 918408), (1088, 911655), (1224, 810360), (1296, 765340), (1360, 729324), (1377, 720320), (1440, 688806), (1530, 648288), (1620, 612272), (1632, 607770), (1728, 574005), (1836, 540240), (2040, 486216), (2160, 459204), (2251, 440640), (2295, 432192), (2448, 405180), (2592, 382670), (2720, 364662), (2754, 360160), (2880, 344403), (3060, 324144), (3240, 306136), (3264, 303885), (3672, 270120), (4080, 243108), (4320, 229602), (4502, 220320), (4590, 216096), (4896, 202590), (5184, 191335), (5440, 182331), (5508, 180080), (6120, 162072), (6480, 153068), (6753, 146880), (6885, 144064), (7344, 135060), (8160, 121554), (8640, 114801), (9004, 110160), (9180, 108048), (9792, 101295), (11016, 90040), (11255, 88128), (12240, 81036), (12960, 76534), (13506, 73440), (13770, 72032), (14688, 67530), (16320, 60777), (18008, 55080), (18360, 54024), (20259, 48960), (22032, 45020), (22510, 44064), (24480, 40518), (25920, 38267), (27012, 36720), (27540, 36016), (29376, 33765)]