18040320

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{29}}^1$

素因数の和:67

約数の個数: 240

約数和(自身を含む): 67026960

約数和(自身を除く): 48986640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 81, 87, 90, 96, 108, 116, 120, 128, 135, 144, 145, 160, 162, 174, 180, 192, 216, 232, 240, 243, 256, 261, 270, 288, 290, 320, 324, 348, 360, 384, 405, 432, 435, 464, 480, 486, 512, 522, 540, 576, 580, 640, 648, 696, 720, 768, 783, 810, 864, 870, 928, 960, 972, 1044, 1080, 1152, 1160, 1215, 1280, 1296, 1305, 1392, 1440, 1536, 1566, 1620, 1728, 1740, 1856, 1920, 1944, 2088, 2160, 2304, 2320, 2349, 2430, 2560, 2592, 2610, 2784, 2880, 3132, 3240, 3456, 3480, 3712, 3840, 3888, 3915, 4176, 4320, 4608, 4640, 4698, 4860, 5184, 5220, 5568, 5760, 6264, 6480, 6912, 6960, 7047, 7424, 7680, 7776, 7830, 8352, 8640, 9280, 9396, 9720, 10368, 10440, 11136, 11520, 11745, 12528, 12960, 13824, 13920, 14094, 14848, 15552, 15660, 16704, 17280, 18560, 18792, 19440, 20736, 20880, 22272, 23040, 23490, 25056, 25920, 27840, 28188, 31104, 31320, 33408, 34560, 35235, 37120, 37584, 38880, 41472, 41760, 44544, 46980, 50112, 51840, 55680, 56376, 62208, 62640, 66816, 69120, 70470, 74240, 75168, 77760, 83520, 93960, 100224, 103680, 111360, 112752, 124416, 125280, 133632, 140940, 150336, 155520, 167040, 187920, 200448, 207360, 222720, 225504, 250560, 281880, 300672, 311040, 334080, 375840, 400896, 451008, 501120, 563760, 601344, 622080, 668160, 751680, 902016, 1002240, 1127520, 1202688, 1503360, 1804032, 2004480, 2255040, 3006720, 3608064, 4510080, 6013440, 9020160, 18040320]

約数ペア:

[(1, 18040320), (2, 9020160), (3, 6013440), (4, 4510080), (5, 3608064), (6, 3006720), (8, 2255040), (9, 2004480), (10, 1804032), (12, 1503360), (15, 1202688), (16, 1127520), (18, 1002240), (20, 902016), (24, 751680), (27, 668160), (29, 622080), (30, 601344), (32, 563760), (36, 501120), (40, 451008), (45, 400896), (48, 375840), (54, 334080), (58, 311040), (60, 300672), (64, 281880), (72, 250560), (80, 225504), (81, 222720), (87, 207360), (90, 200448), (96, 187920), (108, 167040), (116, 155520), (120, 150336), (128, 140940), (135, 133632), (144, 125280), (145, 124416), (160, 112752), (162, 111360), (174, 103680), (180, 100224), (192, 93960), (216, 83520), (232, 77760), (240, 75168), (243, 74240), (256, 70470), (261, 69120), (270, 66816), (288, 62640), (290, 62208), (320, 56376), (324, 55680), (348, 51840), (360, 50112), (384, 46980), (405, 44544), (432, 41760), (435, 41472), (464, 38880), (480, 37584), (486, 37120), (512, 35235), (522, 34560), (540, 33408), (576, 31320), (580, 31104), (640, 28188), (648, 27840), (696, 25920), (720, 25056), (768, 23490), (783, 23040), (810, 22272), (864, 20880), (870, 20736), (928, 19440), (960, 18792), (972, 18560), (1044, 17280), (1080, 16704), (1152, 15660), (1160, 15552), (1215, 14848), (1280, 14094), (1296, 13920), (1305, 13824), (1392, 12960), (1440, 12528), (1536, 11745), (1566, 11520), (1620, 11136), (1728, 10440), (1740, 10368), (1856, 9720), (1920, 9396), (1944, 9280), (2088, 8640), (2160, 8352), (2304, 7830), (2320, 7776), (2349, 7680), (2430, 7424), (2560, 7047), (2592, 6960), (2610, 6912), (2784, 6480), (2880, 6264), (3132, 5760), (3240, 5568), (3456, 5220), (3480, 5184), (3712, 4860), (3840, 4698), (3888, 4640), (3915, 4608), (4176, 4320)]