1389985920

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{26813}}^1$

素因数の和:26844

約数の個数: 160

約数和(自身を含む): 4964075820

約数和(自身を除く): 3574089900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 5184, 5760, 6480, 8640, 10368, 12960, 17280, 25920, 26813, 51840, 53626, 80439, 107252, 134065, 160878, 214504, 241317, 268130, 321756, 402195, 429008, 482634, 536260, 643512, 723951, 804390, 858016, 965268, 1072520, 1206585, 1287024, 1447902, 1608780, 1716032, 1930536, 2145040, 2171853, 2413170, 2574048, 2895804, 3217560, 3432064, 3619755, 3861072, 4290080, 4343706, 4826340, 5148096, 5791608, 6435120, 7239510, 7722144, 8580160, 8687412, 9652680, 10296192, 10859265, 11583216, 12870240, 14479020, 15444288, 17160320, 17374824, 19305360, 21718530, 23166432, 25740480, 28958040, 30888576, 34749648, 38610720, 43437060, 46332864, 51480960, 57916080, 69499296, 77221440, 86874120, 92665728, 115832160, 138998592, 154442880, 173748240, 231664320, 277997184, 347496480, 463328640, 694992960, 1389985920]

約数ペア:

[(1, 1389985920), (2, 694992960), (3, 463328640), (4, 347496480), (5, 277997184), (6, 231664320), (8, 173748240), (9, 154442880), (10, 138998592), (12, 115832160), (15, 92665728), (16, 86874120), (18, 77221440), (20, 69499296), (24, 57916080), (27, 51480960), (30, 46332864), (32, 43437060), (36, 38610720), (40, 34749648), (45, 30888576), (48, 28958040), (54, 25740480), (60, 23166432), (64, 21718530), (72, 19305360), (80, 17374824), (81, 17160320), (90, 15444288), (96, 14479020), (108, 12870240), (120, 11583216), (128, 10859265), (135, 10296192), (144, 9652680), (160, 8687412), (162, 8580160), (180, 7722144), (192, 7239510), (216, 6435120), (240, 5791608), (270, 5148096), (288, 4826340), (320, 4343706), (324, 4290080), (360, 3861072), (384, 3619755), (405, 3432064), (432, 3217560), (480, 2895804), (540, 2574048), (576, 2413170), (640, 2171853), (648, 2145040), (720, 1930536), (810, 1716032), (864, 1608780), (960, 1447902), (1080, 1287024), (1152, 1206585), (1296, 1072520), (1440, 965268), (1620, 858016), (1728, 804390), (1920, 723951), (2160, 643512), (2592, 536260), (2880, 482634), (3240, 429008), (3456, 402195), (4320, 321756), (5184, 268130), (5760, 241317), (6480, 214504), (8640, 160878), (10368, 134065), (12960, 107252), (17280, 80439), (25920, 53626), (26813, 51840)]