1380510720

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{29959}}^1$

素因数の和:29990

約数の個数: 132

約数和(自身を含む): 4783593360

約数和(自身を除く): 3403082640

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, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 7680, 9216, 11520, 15360, 23040, 29959, 46080, 59918, 89877, 119836, 149795, 179754, 239672, 269631, 299590, 359508, 449385, 479344, 539262, 599180, 719016, 898770, 958688, 1078524, 1198360, 1348155, 1438032, 1797540, 1917376, 2157048, 2396720, 2696310, 2876064, 3595080, 3834752, 4314096, 4793440, 5392620, 5752128, 7190160, 7669504, 8628192, 9586880, 10785240, 11504256, 14380320, 15339008, 17256384, 19173760, 21570480, 23008512, 28760640, 30678016, 34512768, 38347520, 43140960, 46017024, 57521280, 69025536, 76695040, 86281920, 92034048, 115042560, 138051072, 153390080, 172563840, 230085120, 276102144, 345127680, 460170240, 690255360, 1380510720]

約数ペア:

[(1, 1380510720), (2, 690255360), (3, 460170240), (4, 345127680), (5, 276102144), (6, 230085120), (8, 172563840), (9, 153390080), (10, 138051072), (12, 115042560), (15, 92034048), (16, 86281920), (18, 76695040), (20, 69025536), (24, 57521280), (30, 46017024), (32, 43140960), (36, 38347520), (40, 34512768), (45, 30678016), (48, 28760640), (60, 23008512), (64, 21570480), (72, 19173760), (80, 17256384), (90, 15339008), (96, 14380320), (120, 11504256), (128, 10785240), (144, 9586880), (160, 8628192), (180, 7669504), (192, 7190160), (240, 5752128), (256, 5392620), (288, 4793440), (320, 4314096), (360, 3834752), (384, 3595080), (480, 2876064), (512, 2696310), (576, 2396720), (640, 2157048), (720, 1917376), (768, 1797540), (960, 1438032), (1024, 1348155), (1152, 1198360), (1280, 1078524), (1440, 958688), (1536, 898770), (1920, 719016), (2304, 599180), (2560, 539262), (2880, 479344), (3072, 449385), (3840, 359508), (4608, 299590), (5120, 269631), (5760, 239672), (7680, 179754), (9216, 149795), (11520, 119836), (15360, 89877), (23040, 59918), (29959, 46080)]