2811386880

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{6779}}^1$

素因数の和:6816

約数の個数: 220

約数和(自身を含む): 10075907160

約数和(自身を除く): 7264520280

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, 1620, 1728, 1920, 2160, 2304, 2560, 2592, 2880, 3072, 3240, 3456, 3840, 4320, 4608, 5120, 5184, 5760, 6480, 6779, 6912, 7680, 8640, 9216, 10368, 11520, 12960, 13558, 13824, 15360, 17280, 20337, 20736, 23040, 25920, 27116, 27648, 33895, 34560, 40674, 41472, 46080, 51840, 54232, 61011, 67790, 69120, 81348, 82944, 101685, 103680, 108464, 122022, 135580, 138240, 162696, 183033, 203370, 207360, 216928, 244044, 271160, 305055, 325392, 366066, 406740, 414720, 433856, 488088, 542320, 549099, 610110, 650784, 732132, 813480, 867712, 915165, 976176, 1084640, 1098198, 1220220, 1301568, 1464264, 1626960, 1735424, 1830330, 1952352, 2169280, 2196396, 2440440, 2603136, 2745495, 2928528, 3253920, 3470848, 3660660, 3904704, 4338560, 4392792, 4880880, 5206272, 5490990, 5857056, 6507840, 6941696, 7321320, 7809408, 8677120, 8785584, 9761760, 10412544, 10981980, 11714112, 13015680, 14642640, 15618816, 17354240, 17571168, 19523520, 20825088, 21963960, 23428224, 26031360, 29285280, 31237632, 34708480, 35142336, 39047040, 43927920, 46856448, 52062720, 58570560, 62475264, 70284672, 78094080, 87855840, 93712896, 104125440, 117141120, 140569344, 156188160, 175711680, 187425792, 234282240, 281138688, 312376320, 351423360, 468564480, 562277376, 702846720, 937128960, 1405693440, 2811386880]

約数ペア:

[(1, 2811386880), (2, 1405693440), (3, 937128960), (4, 702846720), (5, 562277376), (6, 468564480), (8, 351423360), (9, 312376320), (10, 281138688), (12, 234282240), (15, 187425792), (16, 175711680), (18, 156188160), (20, 140569344), (24, 117141120), (27, 104125440), (30, 93712896), (32, 87855840), (36, 78094080), (40, 70284672), (45, 62475264), (48, 58570560), (54, 52062720), (60, 46856448), (64, 43927920), (72, 39047040), (80, 35142336), (81, 34708480), (90, 31237632), (96, 29285280), (108, 26031360), (120, 23428224), (128, 21963960), (135, 20825088), (144, 19523520), (160, 17571168), (162, 17354240), (180, 15618816), (192, 14642640), (216, 13015680), (240, 11714112), (256, 10981980), (270, 10412544), (288, 9761760), (320, 8785584), (324, 8677120), (360, 7809408), (384, 7321320), (405, 6941696), (432, 6507840), (480, 5857056), (512, 5490990), (540, 5206272), (576, 4880880), (640, 4392792), (648, 4338560), (720, 3904704), (768, 3660660), (810, 3470848), (864, 3253920), (960, 2928528), (1024, 2745495), (1080, 2603136), (1152, 2440440), (1280, 2196396), (1296, 2169280), (1440, 1952352), (1536, 1830330), (1620, 1735424), (1728, 1626960), (1920, 1464264), (2160, 1301568), (2304, 1220220), (2560, 1098198), (2592, 1084640), (2880, 976176), (3072, 915165), (3240, 867712), (3456, 813480), (3840, 732132), (4320, 650784), (4608, 610110), (5120, 549099), (5184, 542320), (5760, 488088), (6480, 433856), (6779, 414720), (6912, 406740), (7680, 366066), (8640, 325392), (9216, 305055), (10368, 271160), (11520, 244044), (12960, 216928), (13558, 207360), (13824, 203370), (15360, 183033), (17280, 162696), (20337, 138240), (20736, 135580), (23040, 122022), (25920, 108464), (27116, 103680), (27648, 101685), (33895, 82944), (34560, 81348), (40674, 69120), (41472, 67790), (46080, 61011), (51840, 54232)]