20742675840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{22093}}^1$

素因数の和:22281

約数の個数: 192

約数和(自身を含む): 72069744240

約数和(自身を除く): 51327068400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 163, 180, 192, 240, 288, 320, 326, 360, 384, 480, 489, 576, 640, 652, 720, 815, 960, 978, 1152, 1304, 1440, 1467, 1630, 1920, 1956, 2445, 2608, 2880, 2934, 3260, 3912, 4890, 5216, 5760, 5868, 6520, 7335, 7824, 9780, 10432, 11736, 13040, 14670, 15648, 19560, 20864, 22093, 23472, 26080, 29340, 31296, 39120, 44186, 46944, 52160, 58680, 62592, 66279, 78240, 88372, 93888, 104320, 110465, 117360, 132558, 156480, 176744, 187776, 198837, 220930, 234720, 265116, 312960, 331395, 353488, 397674, 441860, 469440, 530232, 662790, 706976, 795348, 883720, 938880, 994185, 1060464, 1325580, 1413952, 1590696, 1767440, 1988370, 2120928, 2651160, 2827904, 3181392, 3534880, 3601159, 3976740, 4241856, 5302320, 6362784, 7069760, 7202318, 7953480, 8483712, 10604640, 10803477, 12725568, 14139520, 14404636, 15906960, 18005795, 21209280, 21606954, 25451136, 28809272, 31813920, 32410431, 36011590, 42418560, 43213908, 54017385, 57618544, 63627840, 64820862, 72023180, 86427816, 108034770, 115237088, 127255680, 129641724, 144046360, 162052155, 172855632, 216069540, 230474176, 259283448, 288092720, 324104310, 345711264, 432139080, 460948352, 518566896, 576185440, 648208620, 691422528, 864278160, 1037133792, 1152370880, 1296417240, 1382845056, 1728556320, 2074267584, 2304741760, 2592834480, 3457112640, 4148535168, 5185668960, 6914225280, 10371337920, 20742675840]

約数ペア:

[(1, 20742675840), (2, 10371337920), (3, 6914225280), (4, 5185668960), (5, 4148535168), (6, 3457112640), (8, 2592834480), (9, 2304741760), (10, 2074267584), (12, 1728556320), (15, 1382845056), (16, 1296417240), (18, 1152370880), (20, 1037133792), (24, 864278160), (30, 691422528), (32, 648208620), (36, 576185440), (40, 518566896), (45, 460948352), (48, 432139080), (60, 345711264), (64, 324104310), (72, 288092720), (80, 259283448), (90, 230474176), (96, 216069540), (120, 172855632), (128, 162052155), (144, 144046360), (160, 129641724), (163, 127255680), (180, 115237088), (192, 108034770), (240, 86427816), (288, 72023180), (320, 64820862), (326, 63627840), (360, 57618544), (384, 54017385), (480, 43213908), (489, 42418560), (576, 36011590), (640, 32410431), (652, 31813920), (720, 28809272), (815, 25451136), (960, 21606954), (978, 21209280), (1152, 18005795), (1304, 15906960), (1440, 14404636), (1467, 14139520), (1630, 12725568), (1920, 10803477), (1956, 10604640), (2445, 8483712), (2608, 7953480), (2880, 7202318), (2934, 7069760), (3260, 6362784), (3912, 5302320), (4890, 4241856), (5216, 3976740), (5760, 3601159), (5868, 3534880), (6520, 3181392), (7335, 2827904), (7824, 2651160), (9780, 2120928), (10432, 1988370), (11736, 1767440), (13040, 1590696), (14670, 1413952), (15648, 1325580), (19560, 1060464), (20864, 994185), (22093, 938880), (23472, 883720), (26080, 795348), (29340, 706976), (31296, 662790), (39120, 530232), (44186, 469440), (46944, 441860), (52160, 397674), (58680, 353488), (62592, 331395), (66279, 312960), (78240, 265116), (88372, 234720), (93888, 220930), (104320, 198837), (110465, 187776), (117360, 176744), (132558, 156480)]