1385790720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{563}}^1\times {\mathrm{641}}^1$

素因数の和:1228

約数の個数: 144

約数和(自身を含む): 4440647232

約数和(自身を除く): 3054856512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 563, 640, 641, 768, 960, 1126, 1280, 1282, 1689, 1920, 1923, 2252, 2564, 2815, 3205, 3378, 3840, 3846, 4504, 5128, 5630, 6410, 6756, 7692, 8445, 9008, 9615, 10256, 11260, 12820, 13512, 15384, 16890, 18016, 19230, 20512, 22520, 25640, 27024, 30768, 33780, 36032, 38460, 41024, 45040, 51280, 54048, 61536, 67560, 72064, 76920, 82048, 90080, 102560, 108096, 123072, 135120, 144128, 153840, 164096, 180160, 205120, 216192, 246144, 270240, 307680, 360320, 360883, 410240, 432384, 492288, 540480, 615360, 720640, 721766, 820480, 1080960, 1082649, 1230720, 1443532, 1804415, 2161920, 2165298, 2461440, 2887064, 3608830, 4330596, 5413245, 5774128, 7217660, 8661192, 10826490, 11548256, 14435320, 17322384, 21652980, 23096512, 28870640, 34644768, 43305960, 46193024, 57741280, 69289536, 86611920, 92386048, 115482560, 138579072, 173223840, 230965120, 277158144, 346447680, 461930240, 692895360, 1385790720]

約数ペア:

[(1, 1385790720), (2, 692895360), (3, 461930240), (4, 346447680), (5, 277158144), (6, 230965120), (8, 173223840), (10, 138579072), (12, 115482560), (15, 92386048), (16, 86611920), (20, 69289536), (24, 57741280), (30, 46193024), (32, 43305960), (40, 34644768), (48, 28870640), (60, 23096512), (64, 21652980), (80, 17322384), (96, 14435320), (120, 11548256), (128, 10826490), (160, 8661192), (192, 7217660), (240, 5774128), (256, 5413245), (320, 4330596), (384, 3608830), (480, 2887064), (563, 2461440), (640, 2165298), (641, 2161920), (768, 1804415), (960, 1443532), (1126, 1230720), (1280, 1082649), (1282, 1080960), (1689, 820480), (1920, 721766), (1923, 720640), (2252, 615360), (2564, 540480), (2815, 492288), (3205, 432384), (3378, 410240), (3840, 360883), (3846, 360320), (4504, 307680), (5128, 270240), (5630, 246144), (6410, 216192), (6756, 205120), (7692, 180160), (8445, 164096), (9008, 153840), (9615, 144128), (10256, 135120), (11260, 123072), (12820, 108096), (13512, 102560), (15384, 90080), (16890, 82048), (18016, 76920), (19230, 72064), (20512, 67560), (22520, 61536), (25640, 54048), (27024, 51280), (30768, 45040), (33780, 41024), (36032, 38460)]