661253760

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2251}}^1$

素因数の和:2296

約数の個数: 256

約数和(自身を含む): 2480803200

約数和(自身を除く): 1819549440

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, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 384, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1728, 1836, 1920, 2040, 2160, 2176, 2251, 2295, 2448, 2720, 2880, 3060, 3264, 3456, 3672, 4080, 4320, 4502, 4590, 4896, 5440, 5760, 6120, 6528, 6753, 7344, 8160, 8640, 9004, 9180, 9792, 10880, 11255, 12240, 13506, 14688, 16320, 17280, 18008, 18360, 19584, 20259, 22510, 24480, 27012, 29376, 32640, 33765, 36016, 36720, 38267, 40518, 45020, 48960, 54024, 58752, 60777, 67530, 72032, 73440, 76534, 81036, 90040, 97920, 101295, 108048, 114801, 121554, 135060, 144064, 146880, 153068, 162072, 180080, 191335, 202590, 216096, 229602, 243108, 270120, 288128, 293760, 303885, 306136, 324144, 344403, 360160, 382670, 405180, 432192, 459204, 486216, 540240, 574005, 607770, 612272, 648288, 688806, 720320, 765340, 810360, 864384, 918408, 972432, 1033209, 1080480, 1148010, 1215540, 1224544, 1296576, 1377612, 1440640, 1530680, 1620720, 1722015, 1836816, 1944864, 2066418, 2160960, 2296020, 2431080, 2449088, 2593152, 2755224, 3061360, 3241440, 3444030, 3673632, 3889728, 4132836, 4321920, 4592040, 4862160, 4898176, 5166045, 5510448, 6122720, 6482880, 6888060, 7347264, 7779456, 8265672, 9184080, 9724320, 10332090, 11020896, 12245440, 12965760, 13776120, 14694528, 16531344, 18368160, 19448640, 20664180, 22041792, 24490880, 27552240, 33062688, 36736320, 38897280, 41328360, 44083584, 55104480, 66125376, 73472640, 82656720, 110208960, 132250752, 165313440, 220417920, 330626880, 661253760]

約数ペア:

[(1, 661253760), (2, 330626880), (3, 220417920), (4, 165313440), (5, 132250752), (6, 110208960), (8, 82656720), (9, 73472640), (10, 66125376), (12, 55104480), (15, 44083584), (16, 41328360), (17, 38897280), (18, 36736320), (20, 33062688), (24, 27552240), (27, 24490880), (30, 22041792), (32, 20664180), (34, 19448640), (36, 18368160), (40, 16531344), (45, 14694528), (48, 13776120), (51, 12965760), (54, 12245440), (60, 11020896), (64, 10332090), (68, 9724320), (72, 9184080), (80, 8265672), (85, 7779456), (90, 7347264), (96, 6888060), (102, 6482880), (108, 6122720), (120, 5510448), (128, 5166045), (135, 4898176), (136, 4862160), (144, 4592040), (153, 4321920), (160, 4132836), (170, 3889728), (180, 3673632), (192, 3444030), (204, 3241440), (216, 3061360), (240, 2755224), (255, 2593152), (270, 2449088), (272, 2431080), (288, 2296020), (306, 2160960), (320, 2066418), (340, 1944864), (360, 1836816), (384, 1722015), (408, 1620720), (432, 1530680), (459, 1440640), (480, 1377612), (510, 1296576), (540, 1224544), (544, 1215540), (576, 1148010), (612, 1080480), (640, 1033209), (680, 972432), (720, 918408), (765, 864384), (816, 810360), (864, 765340), (918, 720320), (960, 688806), (1020, 648288), (1080, 612272), (1088, 607770), (1152, 574005), (1224, 540240), (1360, 486216), (1440, 459204), (1530, 432192), (1632, 405180), (1728, 382670), (1836, 360160), (1920, 344403), (2040, 324144), (2160, 306136), (2176, 303885), (2251, 293760), (2295, 288128), (2448, 270120), (2720, 243108), (2880, 229602), (3060, 216096), (3264, 202590), (3456, 191335), (3672, 180080), (4080, 162072), (4320, 153068), (4502, 146880), (4590, 144064), (4896, 135060), (5440, 121554), (5760, 114801), (6120, 108048), (6528, 101295), (6753, 97920), (7344, 90040), (8160, 81036), (8640, 76534), (9004, 73440), (9180, 72032), (9792, 67530), (10880, 60777), (11255, 58752), (12240, 54024), (13506, 48960), (14688, 45020), (16320, 40518), (17280, 38267), (18008, 36720), (18360, 36016), (19584, 33765), (20259, 32640), (22510, 29376), (24480, 27012)]