20344894080

素因数分解:

$2^7\times 3^1\times 5^1\times 7^3\times {\mathrm{30893}}^1$

素因数の和:30936

約数の個数: 256

約数和(自身を含む): 75628512000

約数和(自身を除く): 55283617920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 343, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 686, 735, 784, 840, 896, 960, 980, 1029, 1120, 1176, 1344, 1372, 1470, 1568, 1680, 1715, 1920, 1960, 2058, 2240, 2352, 2688, 2744, 2940, 3136, 3360, 3430, 3920, 4116, 4480, 4704, 5145, 5488, 5880, 6272, 6720, 6860, 7840, 8232, 9408, 10290, 10976, 11760, 13440, 13720, 15680, 16464, 18816, 20580, 21952, 23520, 27440, 30893, 31360, 32928, 41160, 43904, 47040, 54880, 61786, 65856, 82320, 92679, 94080, 109760, 123572, 131712, 154465, 164640, 185358, 216251, 219520, 247144, 308930, 329280, 370716, 432502, 463395, 494288, 617860, 648753, 658560, 741432, 865004, 926790, 988576, 1081255, 1235720, 1297506, 1482864, 1513757, 1730008, 1853580, 1977152, 2162510, 2471440, 2595012, 2965728, 3027514, 3243765, 3460016, 3707160, 3954304, 4325020, 4541271, 4942880, 5190024, 5931456, 6055028, 6487530, 6920032, 7414320, 7568785, 8650040, 9082542, 9885760, 10380048, 10596299, 11862912, 12110056, 12975060, 13840064, 14828640, 15137570, 17300080, 18165084, 19771520, 20760096, 21192598, 22706355, 24220112, 25950120, 27680128, 29657280, 30275140, 31788897, 34600160, 36330168, 41520192, 42385196, 45412710, 48440224, 51900240, 52981495, 59314560, 60550280, 63577794, 69200320, 72660336, 83040384, 84770392, 90825420, 96880448, 103800480, 105962990, 121100560, 127155588, 138400640, 145320672, 158944485, 169540784, 181650840, 193760896, 207600960, 211925980, 242201120, 254311176, 290641344, 317888970, 339081568, 363301680, 415201920, 423851960, 484402240, 508622352, 581282688, 635777940, 678163136, 726603360, 847703920, 968804480, 1017244704, 1271555880, 1356326272, 1453206720, 1695407840, 2034489408, 2543111760, 2906413440, 3390815680, 4068978816, 5086223520, 6781631360, 10172447040, 20344894080]

約数ペア:

[(1, 20344894080), (2, 10172447040), (3, 6781631360), (4, 5086223520), (5, 4068978816), (6, 3390815680), (7, 2906413440), (8, 2543111760), (10, 2034489408), (12, 1695407840), (14, 1453206720), (15, 1356326272), (16, 1271555880), (20, 1017244704), (21, 968804480), (24, 847703920), (28, 726603360), (30, 678163136), (32, 635777940), (35, 581282688), (40, 508622352), (42, 484402240), (48, 423851960), (49, 415201920), (56, 363301680), (60, 339081568), (64, 317888970), (70, 290641344), (80, 254311176), (84, 242201120), (96, 211925980), (98, 207600960), (105, 193760896), (112, 181650840), (120, 169540784), (128, 158944485), (140, 145320672), (147, 138400640), (160, 127155588), (168, 121100560), (192, 105962990), (196, 103800480), (210, 96880448), (224, 90825420), (240, 84770392), (245, 83040384), (280, 72660336), (294, 69200320), (320, 63577794), (336, 60550280), (343, 59314560), (384, 52981495), (392, 51900240), (420, 48440224), (448, 45412710), (480, 42385196), (490, 41520192), (560, 36330168), (588, 34600160), (640, 31788897), (672, 30275140), (686, 29657280), (735, 27680128), (784, 25950120), (840, 24220112), (896, 22706355), (960, 21192598), (980, 20760096), (1029, 19771520), (1120, 18165084), (1176, 17300080), (1344, 15137570), (1372, 14828640), (1470, 13840064), (1568, 12975060), (1680, 12110056), (1715, 11862912), (1920, 10596299), (1960, 10380048), (2058, 9885760), (2240, 9082542), (2352, 8650040), (2688, 7568785), (2744, 7414320), (2940, 6920032), (3136, 6487530), (3360, 6055028), (3430, 5931456), (3920, 5190024), (4116, 4942880), (4480, 4541271), (4704, 4325020), (5145, 3954304), (5488, 3707160), (5880, 3460016), (6272, 3243765), (6720, 3027514), (6860, 2965728), (7840, 2595012), (8232, 2471440), (9408, 2162510), (10290, 1977152), (10976, 1853580), (11760, 1730008), (13440, 1513757), (13720, 1482864), (15680, 1297506), (16464, 1235720), (18816, 1081255), (20580, 988576), (21952, 926790), (23520, 865004), (27440, 741432), (30893, 658560), (31360, 648753), (32928, 617860), (41160, 494288), (43904, 463395), (47040, 432502), (54880, 370716), (61786, 329280), (65856, 308930), (82320, 247144), (92679, 219520), (94080, 216251), (109760, 185358), (123572, 164640), (131712, 154465)]