1405923840

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:607

約数の個数: 240

約数和(自身を含む): 4915310400

約数和(自身を除く): 3509386560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 139, 144, 160, 180, 192, 240, 256, 278, 288, 320, 360, 384, 417, 439, 480, 512, 556, 576, 640, 695, 720, 768, 834, 878, 960, 1112, 1152, 1251, 1280, 1317, 1390, 1440, 1536, 1668, 1756, 1920, 2085, 2195, 2224, 2304, 2502, 2560, 2634, 2780, 2880, 3336, 3512, 3840, 3951, 4170, 4390, 4448, 4608, 5004, 5268, 5560, 5760, 6255, 6585, 6672, 7024, 7680, 7902, 8340, 8780, 8896, 10008, 10536, 11120, 11520, 12510, 13170, 13344, 14048, 15804, 16680, 17560, 17792, 19755, 20016, 21072, 22240, 23040, 25020, 26340, 26688, 28096, 31608, 33360, 35120, 35584, 39510, 40032, 42144, 44480, 50040, 52680, 53376, 56192, 61021, 63216, 66720, 70240, 71168, 79020, 80064, 84288, 88960, 100080, 105360, 106752, 112384, 122042, 126432, 133440, 140480, 158040, 160128, 168576, 177920, 183063, 200160, 210720, 213504, 224768, 244084, 252864, 266880, 280960, 305105, 316080, 320256, 337152, 355840, 366126, 400320, 421440, 488168, 505728, 533760, 549189, 561920, 610210, 632160, 640512, 674304, 732252, 800640, 842880, 915315, 976336, 1011456, 1067520, 1098378, 1123840, 1220420, 1264320, 1464504, 1601280, 1685760, 1830630, 1952672, 2022912, 2196756, 2440840, 2528640, 2745945, 2929008, 3202560, 3371520, 3661260, 3905344, 4393512, 4881680, 5057280, 5491890, 5858016, 7322520, 7810688, 8787024, 9763360, 10114560, 10983780, 11716032, 14645040, 15621376, 17574048, 19526720, 21967560, 23432064, 29290080, 31242752, 35148096, 39053440, 43935120, 46864128, 58580160, 70296192, 78106880, 87870240, 93728256, 117160320, 140592384, 156213760, 175740480, 234320640, 281184768, 351480960, 468641280, 702961920, 1405923840]

約数ペア:

[(1, 1405923840), (2, 702961920), (3, 468641280), (4, 351480960), (5, 281184768), (6, 234320640), (8, 175740480), (9, 156213760), (10, 140592384), (12, 117160320), (15, 93728256), (16, 87870240), (18, 78106880), (20, 70296192), (24, 58580160), (30, 46864128), (32, 43935120), (36, 39053440), (40, 35148096), (45, 31242752), (48, 29290080), (60, 23432064), (64, 21967560), (72, 19526720), (80, 17574048), (90, 15621376), (96, 14645040), (120, 11716032), (128, 10983780), (139, 10114560), (144, 9763360), (160, 8787024), (180, 7810688), (192, 7322520), (240, 5858016), (256, 5491890), (278, 5057280), (288, 4881680), (320, 4393512), (360, 3905344), (384, 3661260), (417, 3371520), (439, 3202560), (480, 2929008), (512, 2745945), (556, 2528640), (576, 2440840), (640, 2196756), (695, 2022912), (720, 1952672), (768, 1830630), (834, 1685760), (878, 1601280), (960, 1464504), (1112, 1264320), (1152, 1220420), (1251, 1123840), (1280, 1098378), (1317, 1067520), (1390, 1011456), (1440, 976336), (1536, 915315), (1668, 842880), (1756, 800640), (1920, 732252), (2085, 674304), (2195, 640512), (2224, 632160), (2304, 610210), (2502, 561920), (2560, 549189), (2634, 533760), (2780, 505728), (2880, 488168), (3336, 421440), (3512, 400320), (3840, 366126), (3951, 355840), (4170, 337152), (4390, 320256), (4448, 316080), (4608, 305105), (5004, 280960), (5268, 266880), (5560, 252864), (5760, 244084), (6255, 224768), (6585, 213504), (6672, 210720), (7024, 200160), (7680, 183063), (7902, 177920), (8340, 168576), (8780, 160128), (8896, 158040), (10008, 140480), (10536, 133440), (11120, 126432), (11520, 122042), (12510, 112384), (13170, 106752), (13344, 105360), (14048, 100080), (15804, 88960), (16680, 84288), (17560, 80064), (17792, 79020), (19755, 71168), (20016, 70240), (21072, 66720), (22240, 63216), (23040, 61021), (25020, 56192), (26340, 53376), (26688, 52680), (28096, 50040), (31608, 44480), (33360, 42144), (35120, 40032), (35584, 39510)]