21394145280

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:630

約数の個数: 240

約数和(自身を含む): 68927088384

約数和(自身を除く): 47532943104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 263, 320, 331, 384, 480, 512, 526, 640, 662, 768, 789, 960, 993, 1024, 1052, 1280, 1315, 1324, 1536, 1578, 1655, 1920, 1986, 2048, 2104, 2560, 2630, 2648, 3072, 3156, 3310, 3840, 3945, 3972, 4096, 4208, 4965, 5120, 5260, 5296, 6144, 6312, 6620, 7680, 7890, 7944, 8192, 8416, 9930, 10240, 10520, 10592, 12288, 12624, 13240, 15360, 15780, 15888, 16384, 16832, 19860, 20480, 21040, 21184, 24576, 25248, 26480, 30720, 31560, 31776, 33664, 39720, 40960, 42080, 42368, 49152, 50496, 52960, 61440, 63120, 63552, 67328, 79440, 81920, 84160, 84736, 87053, 100992, 105920, 122880, 126240, 127104, 134656, 158880, 168320, 169472, 174106, 201984, 211840, 245760, 252480, 254208, 261159, 269312, 317760, 336640, 338944, 348212, 403968, 423680, 435265, 504960, 508416, 522318, 538624, 635520, 673280, 677888, 696424, 807936, 847360, 870530, 1009920, 1016832, 1044636, 1077248, 1271040, 1305795, 1346560, 1355776, 1392848, 1615872, 1694720, 1741060, 2019840, 2033664, 2089272, 2154496, 2542080, 2611590, 2693120, 2711552, 2785696, 3231744, 3389440, 3482120, 4039680, 4067328, 4178544, 4308992, 5084160, 5223180, 5386240, 5423104, 5571392, 6463488, 6778880, 6964240, 8079360, 8134656, 8357088, 10168320, 10446360, 10772480, 11142784, 12926976, 13557760, 13928480, 16158720, 16269312, 16714176, 20336640, 20892720, 21544960, 22285568, 27115520, 27856960, 32317440, 33428352, 40673280, 41785440, 44571136, 55713920, 64634880, 66856704, 81346560, 83570880, 89142272, 111427840, 133713408, 167141760, 178284544, 222855680, 267426816, 334283520, 356569088, 445711360, 534853632, 668567040, 713138176, 891422720, 1069707264, 1337134080, 1426276352, 1782845440, 2139414528, 2674268160, 3565690880, 4278829056, 5348536320, 7131381760, 10697072640, 21394145280]

約数ペア:

[(1, 21394145280), (2, 10697072640), (3, 7131381760), (4, 5348536320), (5, 4278829056), (6, 3565690880), (8, 2674268160), (10, 2139414528), (12, 1782845440), (15, 1426276352), (16, 1337134080), (20, 1069707264), (24, 891422720), (30, 713138176), (32, 668567040), (40, 534853632), (48, 445711360), (60, 356569088), (64, 334283520), (80, 267426816), (96, 222855680), (120, 178284544), (128, 167141760), (160, 133713408), (192, 111427840), (240, 89142272), (256, 83570880), (263, 81346560), (320, 66856704), (331, 64634880), (384, 55713920), (480, 44571136), (512, 41785440), (526, 40673280), (640, 33428352), (662, 32317440), (768, 27856960), (789, 27115520), (960, 22285568), (993, 21544960), (1024, 20892720), (1052, 20336640), (1280, 16714176), (1315, 16269312), (1324, 16158720), (1536, 13928480), (1578, 13557760), (1655, 12926976), (1920, 11142784), (1986, 10772480), (2048, 10446360), (2104, 10168320), (2560, 8357088), (2630, 8134656), (2648, 8079360), (3072, 6964240), (3156, 6778880), (3310, 6463488), (3840, 5571392), (3945, 5423104), (3972, 5386240), (4096, 5223180), (4208, 5084160), (4965, 4308992), (5120, 4178544), (5260, 4067328), (5296, 4039680), (6144, 3482120), (6312, 3389440), (6620, 3231744), (7680, 2785696), (7890, 2711552), (7944, 2693120), (8192, 2611590), (8416, 2542080), (9930, 2154496), (10240, 2089272), (10520, 2033664), (10592, 2019840), (12288, 1741060), (12624, 1694720), (13240, 1615872), (15360, 1392848), (15780, 1355776), (15888, 1346560), (16384, 1305795), (16832, 1271040), (19860, 1077248), (20480, 1044636), (21040, 1016832), (21184, 1009920), (24576, 870530), (25248, 847360), (26480, 807936), (30720, 696424), (31560, 677888), (31776, 673280), (33664, 635520), (39720, 538624), (40960, 522318), (42080, 508416), (42368, 504960), (49152, 435265), (50496, 423680), (52960, 403968), (61440, 348212), (63120, 338944), (63552, 336640), (67328, 317760), (79440, 269312), (81920, 261159), (84160, 254208), (84736, 252480), (87053, 245760), (100992, 211840), (105920, 201984), (122880, 174106), (126240, 169472), (127104, 168320), (134656, 158880)]