181520640

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{2251}}^1$

素因数の和:2285

約数の個数: 216

約数和(自身を含む): 718081728

約数和(自身を除く): 536561088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2251, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 4502, 5040, 5376, 5760, 6720, 6753, 8064, 8960, 9004, 10080, 11255, 11520, 13440, 13506, 15757, 16128, 18008, 20160, 20259, 22510, 26880, 27012, 31514, 33765, 36016, 40320, 40518, 45020, 47271, 54024, 63028, 67530, 72032, 78785, 80640, 81036, 90040, 94542, 101295, 108048, 126056, 135060, 141813, 144064, 157570, 162072, 180080, 189084, 202590, 216096, 236355, 252112, 270120, 283626, 288128, 315140, 324144, 360160, 378168, 405180, 432192, 472710, 504224, 540240, 567252, 576256, 630280, 648288, 709065, 720320, 756336, 810360, 864384, 945420, 1008448, 1080480, 1134504, 1260560, 1296576, 1418130, 1440640, 1512672, 1620720, 1728768, 1890840, 2016896, 2160960, 2269008, 2521120, 2593152, 2836260, 2881280, 3025344, 3241440, 3781680, 4033792, 4321920, 4538016, 5042240, 5186304, 5672520, 6050688, 6482880, 7563360, 8643840, 9076032, 10084480, 11345040, 12101376, 12965760, 15126720, 18152064, 20168960, 22690080, 25931520, 30253440, 36304128, 45380160, 60506880, 90760320, 181520640]

約数ペア:

[(1, 181520640), (2, 90760320), (3, 60506880), (4, 45380160), (5, 36304128), (6, 30253440), (7, 25931520), (8, 22690080), (9, 20168960), (10, 18152064), (12, 15126720), (14, 12965760), (15, 12101376), (16, 11345040), (18, 10084480), (20, 9076032), (21, 8643840), (24, 7563360), (28, 6482880), (30, 6050688), (32, 5672520), (35, 5186304), (36, 5042240), (40, 4538016), (42, 4321920), (45, 4033792), (48, 3781680), (56, 3241440), (60, 3025344), (63, 2881280), (64, 2836260), (70, 2593152), (72, 2521120), (80, 2269008), (84, 2160960), (90, 2016896), (96, 1890840), (105, 1728768), (112, 1620720), (120, 1512672), (126, 1440640), (128, 1418130), (140, 1296576), (144, 1260560), (160, 1134504), (168, 1080480), (180, 1008448), (192, 945420), (210, 864384), (224, 810360), (240, 756336), (252, 720320), (256, 709065), (280, 648288), (288, 630280), (315, 576256), (320, 567252), (336, 540240), (360, 504224), (384, 472710), (420, 432192), (448, 405180), (480, 378168), (504, 360160), (560, 324144), (576, 315140), (630, 288128), (640, 283626), (672, 270120), (720, 252112), (768, 236355), (840, 216096), (896, 202590), (960, 189084), (1008, 180080), (1120, 162072), (1152, 157570), (1260, 144064), (1280, 141813), (1344, 135060), (1440, 126056), (1680, 108048), (1792, 101295), (1920, 94542), (2016, 90040), (2240, 81036), (2251, 80640), (2304, 78785), (2520, 72032), (2688, 67530), (2880, 63028), (3360, 54024), (3840, 47271), (4032, 45020), (4480, 40518), (4502, 40320), (5040, 36016), (5376, 33765), (5760, 31514), (6720, 27012), (6753, 26880), (8064, 22510), (8960, 20259), (9004, 20160), (10080, 18008), (11255, 16128), (11520, 15757), (13440, 13506)]