68670720

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{1987}}^1$

素因数の和:2017

約数の個数: 144

約数和(自身を含む): 243808320

約数和(自身を除く): 175137600

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, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 1987, 2160, 2304, 2880, 3456, 3840, 3974, 4320, 5760, 5961, 6912, 7948, 8640, 9935, 11520, 11922, 15896, 17280, 17883, 19870, 23844, 29805, 31792, 34560, 35766, 39740, 47688, 53649, 59610, 63584, 71532, 79480, 89415, 95376, 107298, 119220, 127168, 143064, 158960, 178830, 190752, 214596, 238440, 254336, 268245, 286128, 317920, 357660, 381504, 429192, 476880, 508672, 536490, 572256, 635840, 715320, 763008, 858384, 953760, 1072980, 1144512, 1271680, 1430640, 1526016, 1716768, 1907520, 2145960, 2289024, 2543360, 2861280, 3433536, 3815040, 4291920, 4578048, 5722560, 6867072, 7630080, 8583840, 11445120, 13734144, 17167680, 22890240, 34335360, 68670720]

約数ペア:

[(1, 68670720), (2, 34335360), (3, 22890240), (4, 17167680), (5, 13734144), (6, 11445120), (8, 8583840), (9, 7630080), (10, 6867072), (12, 5722560), (15, 4578048), (16, 4291920), (18, 3815040), (20, 3433536), (24, 2861280), (27, 2543360), (30, 2289024), (32, 2145960), (36, 1907520), (40, 1716768), (45, 1526016), (48, 1430640), (54, 1271680), (60, 1144512), (64, 1072980), (72, 953760), (80, 858384), (90, 763008), (96, 715320), (108, 635840), (120, 572256), (128, 536490), (135, 508672), (144, 476880), (160, 429192), (180, 381504), (192, 357660), (216, 317920), (240, 286128), (256, 268245), (270, 254336), (288, 238440), (320, 214596), (360, 190752), (384, 178830), (432, 158960), (480, 143064), (540, 127168), (576, 119220), (640, 107298), (720, 95376), (768, 89415), (864, 79480), (960, 71532), (1080, 63584), (1152, 59610), (1280, 53649), (1440, 47688), (1728, 39740), (1920, 35766), (1987, 34560), (2160, 31792), (2304, 29805), (2880, 23844), (3456, 19870), (3840, 17883), (3974, 17280), (4320, 15896), (5760, 11922), (5961, 11520), (6912, 9935), (7948, 8640)]