388316160

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{53}}^2$

素因数の和:140

約数の個数: 264

約数和(自身を含む): 1406534640

約数和(自身を除く): 1018218480

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, 53, 54, 60, 64, 72, 80, 90, 96, 106, 108, 120, 128, 135, 144, 159, 160, 180, 192, 212, 216, 240, 256, 265, 270, 288, 318, 320, 360, 384, 424, 432, 477, 480, 512, 530, 540, 576, 636, 640, 720, 768, 795, 848, 864, 954, 960, 1024, 1060, 1080, 1152, 1272, 1280, 1431, 1440, 1536, 1590, 1696, 1728, 1908, 1920, 2120, 2160, 2304, 2385, 2544, 2560, 2809, 2862, 2880, 3072, 3180, 3392, 3456, 3816, 3840, 4240, 4320, 4608, 4770, 5088, 5120, 5618, 5724, 5760, 6360, 6784, 6912, 7155, 7632, 7680, 8427, 8480, 8640, 9216, 9540, 10176, 11236, 11448, 11520, 12720, 13568, 13824, 14045, 14310, 15264, 15360, 16854, 16960, 17280, 19080, 20352, 22472, 22896, 23040, 25281, 25440, 27136, 27648, 28090, 28620, 30528, 33708, 33920, 34560, 38160, 40704, 42135, 44944, 45792, 46080, 50562, 50880, 54272, 56180, 57240, 61056, 67416, 67840, 69120, 75843, 76320, 81408, 84270, 89888, 91584, 101124, 101760, 112360, 114480, 122112, 126405, 134832, 135680, 138240, 151686, 152640, 162816, 168540, 179776, 183168, 202248, 203520, 224720, 228960, 244224, 252810, 269664, 271360, 303372, 305280, 337080, 359552, 366336, 379215, 404496, 407040, 449440, 457920, 488448, 505620, 539328, 606744, 610560, 674160, 719104, 732672, 758430, 808992, 814080, 898880, 915840, 1011240, 1078656, 1213488, 1221120, 1348320, 1438208, 1465344, 1516860, 1617984, 1797760, 1831680, 2022480, 2157312, 2426976, 2442240, 2696640, 2876416, 3033720, 3235968, 3595520, 3663360, 4044960, 4314624, 4853952, 5393280, 6067440, 6471936, 7191040, 7326720, 8089920, 8629248, 9707904, 10786560, 12134880, 12943872, 14382080, 16179840, 19415808, 21573120, 24269760, 25887744, 32359680, 38831616, 43146240, 48539520, 64719360, 77663232, 97079040, 129438720, 194158080, 388316160]

約数ペア:

[(1, 388316160), (2, 194158080), (3, 129438720), (4, 97079040), (5, 77663232), (6, 64719360), (8, 48539520), (9, 43146240), (10, 38831616), (12, 32359680), (15, 25887744), (16, 24269760), (18, 21573120), (20, 19415808), (24, 16179840), (27, 14382080), (30, 12943872), (32, 12134880), (36, 10786560), (40, 9707904), (45, 8629248), (48, 8089920), (53, 7326720), (54, 7191040), (60, 6471936), (64, 6067440), (72, 5393280), (80, 4853952), (90, 4314624), (96, 4044960), (106, 3663360), (108, 3595520), (120, 3235968), (128, 3033720), (135, 2876416), (144, 2696640), (159, 2442240), (160, 2426976), (180, 2157312), (192, 2022480), (212, 1831680), (216, 1797760), (240, 1617984), (256, 1516860), (265, 1465344), (270, 1438208), (288, 1348320), (318, 1221120), (320, 1213488), (360, 1078656), (384, 1011240), (424, 915840), (432, 898880), (477, 814080), (480, 808992), (512, 758430), (530, 732672), (540, 719104), (576, 674160), (636, 610560), (640, 606744), (720, 539328), (768, 505620), (795, 488448), (848, 457920), (864, 449440), (954, 407040), (960, 404496), (1024, 379215), (1060, 366336), (1080, 359552), (1152, 337080), (1272, 305280), (1280, 303372), (1431, 271360), (1440, 269664), (1536, 252810), (1590, 244224), (1696, 228960), (1728, 224720), (1908, 203520), (1920, 202248), (2120, 183168), (2160, 179776), (2304, 168540), (2385, 162816), (2544, 152640), (2560, 151686), (2809, 138240), (2862, 135680), (2880, 134832), (3072, 126405), (3180, 122112), (3392, 114480), (3456, 112360), (3816, 101760), (3840, 101124), (4240, 91584), (4320, 89888), (4608, 84270), (4770, 81408), (5088, 76320), (5120, 75843), (5618, 69120), (5724, 67840), (5760, 67416), (6360, 61056), (6784, 57240), (6912, 56180), (7155, 54272), (7632, 50880), (7680, 50562), (8427, 46080), (8480, 45792), (8640, 44944), (9216, 42135), (9540, 40704), (10176, 38160), (11236, 34560), (11448, 33920), (11520, 33708), (12720, 30528), (13568, 28620), (13824, 28090), (14045, 27648), (14310, 27136), (15264, 25440), (15360, 25281), (16854, 23040), (16960, 22896), (17280, 22472), (19080, 20352)]