1389795840

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{20107}}^1$

素因数の和:20139

約数の個数: 160

約数和(自身を含む): 4936916160

約数和(自身を除く): 3547120320

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, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 5760, 6912, 7680, 8640, 11520, 13824, 17280, 20107, 23040, 34560, 40214, 60321, 69120, 80428, 100535, 120642, 160856, 180963, 201070, 241284, 301605, 321712, 361926, 402140, 482568, 542889, 603210, 643424, 723852, 804280, 904815, 965136, 1085778, 1206420, 1286848, 1447704, 1608560, 1809630, 1930272, 2171556, 2412840, 2573696, 2714445, 2895408, 3217120, 3619260, 3860544, 4343112, 4825680, 5147392, 5428890, 5790816, 6434240, 7238520, 7721088, 8686224, 9651360, 10294784, 10857780, 11581632, 12868480, 14477040, 15442176, 17372448, 19302720, 21715560, 23163264, 25736960, 28954080, 30884352, 34744896, 38605440, 43431120, 46326528, 51473920, 57908160, 69489792, 77210880, 86862240, 92653056, 115816320, 138979584, 154421760, 173724480, 231632640, 277959168, 347448960, 463265280, 694897920, 1389795840]

約数ペア:

[(1, 1389795840), (2, 694897920), (3, 463265280), (4, 347448960), (5, 277959168), (6, 231632640), (8, 173724480), (9, 154421760), (10, 138979584), (12, 115816320), (15, 92653056), (16, 86862240), (18, 77210880), (20, 69489792), (24, 57908160), (27, 51473920), (30, 46326528), (32, 43431120), (36, 38605440), (40, 34744896), (45, 30884352), (48, 28954080), (54, 25736960), (60, 23163264), (64, 21715560), (72, 19302720), (80, 17372448), (90, 15442176), (96, 14477040), (108, 12868480), (120, 11581632), (128, 10857780), (135, 10294784), (144, 9651360), (160, 8686224), (180, 7721088), (192, 7238520), (216, 6434240), (240, 5790816), (256, 5428890), (270, 5147392), (288, 4825680), (320, 4343112), (360, 3860544), (384, 3619260), (432, 3217120), (480, 2895408), (512, 2714445), (540, 2573696), (576, 2412840), (640, 2171556), (720, 1930272), (768, 1809630), (864, 1608560), (960, 1447704), (1080, 1286848), (1152, 1206420), (1280, 1085778), (1440, 965136), (1536, 904815), (1728, 804280), (1920, 723852), (2160, 643424), (2304, 603210), (2560, 542889), (2880, 482568), (3456, 402140), (3840, 361926), (4320, 321712), (4608, 301605), (5760, 241284), (6912, 201070), (7680, 180963), (8640, 160856), (11520, 120642), (13824, 100535), (17280, 80428), (20107, 69120), (23040, 60321), (34560, 40214)]