639912960

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{1543}}^1$

素因数の和:1580

約数の個数: 220

約数和(自身を含む): 2294572368

約数和(自身を除く): 1654659408

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, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1543, 1620, 1728, 1920, 2160, 2304, 2560, 2592, 2880, 3072, 3086, 3240, 3456, 3840, 4320, 4608, 4629, 5120, 5184, 5760, 6172, 6480, 6912, 7680, 7715, 8640, 9216, 9258, 10368, 11520, 12344, 12960, 13824, 13887, 15360, 15430, 17280, 18516, 20736, 23040, 23145, 24688, 25920, 27648, 27774, 30860, 34560, 37032, 41472, 41661, 46080, 46290, 49376, 51840, 55548, 61720, 69120, 69435, 74064, 82944, 83322, 92580, 98752, 103680, 111096, 123440, 124983, 138240, 138870, 148128, 166644, 185160, 197504, 207360, 208305, 222192, 246880, 249966, 277740, 296256, 333288, 370320, 395008, 414720, 416610, 444384, 493760, 499932, 555480, 592512, 624915, 666576, 740640, 790016, 833220, 888768, 987520, 999864, 1110960, 1185024, 1249830, 1333152, 1481280, 1580032, 1666440, 1777536, 1975040, 1999728, 2221920, 2370048, 2499660, 2666304, 2962560, 3332880, 3555072, 3950080, 3999456, 4443840, 4740096, 4999320, 5332608, 5925120, 6665760, 7110144, 7900160, 7998912, 8887680, 9998640, 10665216, 11850240, 13331520, 14220288, 15997824, 17775360, 19997280, 21330432, 23700480, 26663040, 31995648, 35550720, 39994560, 42660864, 53326080, 63991296, 71101440, 79989120, 106652160, 127982592, 159978240, 213304320, 319956480, 639912960]

約数ペア:

[(1, 639912960), (2, 319956480), (3, 213304320), (4, 159978240), (5, 127982592), (6, 106652160), (8, 79989120), (9, 71101440), (10, 63991296), (12, 53326080), (15, 42660864), (16, 39994560), (18, 35550720), (20, 31995648), (24, 26663040), (27, 23700480), (30, 21330432), (32, 19997280), (36, 17775360), (40, 15997824), (45, 14220288), (48, 13331520), (54, 11850240), (60, 10665216), (64, 9998640), (72, 8887680), (80, 7998912), (81, 7900160), (90, 7110144), (96, 6665760), (108, 5925120), (120, 5332608), (128, 4999320), (135, 4740096), (144, 4443840), (160, 3999456), (162, 3950080), (180, 3555072), (192, 3332880), (216, 2962560), (240, 2666304), (256, 2499660), (270, 2370048), (288, 2221920), (320, 1999728), (324, 1975040), (360, 1777536), (384, 1666440), (405, 1580032), (432, 1481280), (480, 1333152), (512, 1249830), (540, 1185024), (576, 1110960), (640, 999864), (648, 987520), (720, 888768), (768, 833220), (810, 790016), (864, 740640), (960, 666576), (1024, 624915), (1080, 592512), (1152, 555480), (1280, 499932), (1296, 493760), (1440, 444384), (1536, 416610), (1543, 414720), (1620, 395008), (1728, 370320), (1920, 333288), (2160, 296256), (2304, 277740), (2560, 249966), (2592, 246880), (2880, 222192), (3072, 208305), (3086, 207360), (3240, 197504), (3456, 185160), (3840, 166644), (4320, 148128), (4608, 138870), (4629, 138240), (5120, 124983), (5184, 123440), (5760, 111096), (6172, 103680), (6480, 98752), (6912, 92580), (7680, 83322), (7715, 82944), (8640, 74064), (9216, 69435), (9258, 69120), (10368, 61720), (11520, 55548), (12344, 51840), (12960, 49376), (13824, 46290), (13887, 46080), (15360, 41661), (15430, 41472), (17280, 37032), (18516, 34560), (20736, 30860), (23040, 27774), (23145, 27648), (24688, 25920)]