81210240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:661

約数の個数: 192

約数和(自身を含む): 293099040

約数和(自身を除く): 211888800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 552, 576, 613, 640, 690, 720, 736, 828, 920, 960, 1035, 1104, 1152, 1226, 1380, 1440, 1472, 1656, 1839, 1840, 1920, 2070, 2208, 2452, 2760, 2880, 2944, 3065, 3312, 3678, 3680, 4140, 4416, 4904, 5517, 5520, 5760, 6130, 6624, 7356, 7360, 8280, 8832, 9195, 9808, 11034, 11040, 12260, 13248, 14099, 14712, 14720, 16560, 18390, 19616, 22068, 22080, 24520, 26496, 27585, 28198, 29424, 33120, 36780, 39232, 42297, 44136, 44160, 49040, 55170, 56396, 58848, 66240, 70495, 73560, 78464, 84594, 88272, 98080, 110340, 112792, 117696, 126891, 132480, 140990, 147120, 169188, 176544, 196160, 211485, 220680, 225584, 235392, 253782, 281980, 294240, 338376, 353088, 392320, 422970, 441360, 451168, 507564, 563960, 588480, 634455, 676752, 706176, 845940, 882720, 902336, 1015128, 1127920, 1176960, 1268910, 1353504, 1691880, 1765440, 1804672, 2030256, 2255840, 2537820, 2707008, 3383760, 3530880, 4060512, 4511680, 5075640, 5414016, 6767520, 8121024, 9023360, 10151280, 13535040, 16242048, 20302560, 27070080, 40605120, 81210240]

約数ペア:

[(1, 81210240), (2, 40605120), (3, 27070080), (4, 20302560), (5, 16242048), (6, 13535040), (8, 10151280), (9, 9023360), (10, 8121024), (12, 6767520), (15, 5414016), (16, 5075640), (18, 4511680), (20, 4060512), (23, 3530880), (24, 3383760), (30, 2707008), (32, 2537820), (36, 2255840), (40, 2030256), (45, 1804672), (46, 1765440), (48, 1691880), (60, 1353504), (64, 1268910), (69, 1176960), (72, 1127920), (80, 1015128), (90, 902336), (92, 882720), (96, 845940), (115, 706176), (120, 676752), (128, 634455), (138, 588480), (144, 563960), (160, 507564), (180, 451168), (184, 441360), (192, 422970), (207, 392320), (230, 353088), (240, 338376), (276, 294240), (288, 281980), (320, 253782), (345, 235392), (360, 225584), (368, 220680), (384, 211485), (414, 196160), (460, 176544), (480, 169188), (552, 147120), (576, 140990), (613, 132480), (640, 126891), (690, 117696), (720, 112792), (736, 110340), (828, 98080), (920, 88272), (960, 84594), (1035, 78464), (1104, 73560), (1152, 70495), (1226, 66240), (1380, 58848), (1440, 56396), (1472, 55170), (1656, 49040), (1839, 44160), (1840, 44136), (1920, 42297), (2070, 39232), (2208, 36780), (2452, 33120), (2760, 29424), (2880, 28198), (2944, 27585), (3065, 26496), (3312, 24520), (3678, 22080), (3680, 22068), (4140, 19616), (4416, 18390), (4904, 16560), (5517, 14720), (5520, 14712), (5760, 14099), (6130, 13248), (6624, 12260), (7356, 11040), (7360, 11034), (8280, 9808), (8832, 9195)]