19945246720

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 312

約数和(自身を含む): 57399382656

約数和(自身を除く): 37454135936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 263, 280, 320, 322, 368, 448, 460, 512, 526, 529, 560, 640, 644, 736, 805, 896, 920, 1024, 1052, 1058, 1120, 1280, 1288, 1315, 1472, 1610, 1792, 1840, 1841, 2048, 2104, 2116, 2240, 2560, 2576, 2630, 2645, 2944, 3220, 3584, 3680, 3682, 3703, 4096, 4208, 4232, 4480, 5120, 5152, 5260, 5290, 5888, 6049, 6440, 7168, 7360, 7364, 7406, 8416, 8464, 8960, 9205, 10240, 10304, 10520, 10580, 11776, 12098, 12880, 14336, 14720, 14728, 14812, 16832, 16928, 17920, 18410, 18515, 20480, 20608, 21040, 21160, 23552, 24196, 25760, 28672, 29440, 29456, 29624, 30245, 33664, 33856, 35840, 36820, 37030, 41216, 42080, 42320, 42343, 47104, 48392, 51520, 58880, 58912, 59248, 60490, 67328, 67712, 71680, 73640, 74060, 82432, 84160, 84640, 84686, 94208, 96784, 103040, 117760, 117824, 118496, 120980, 134656, 135424, 139127, 143360, 147280, 148120, 164864, 168320, 169280, 169372, 193568, 206080, 211715, 235520, 235648, 236992, 241960, 269312, 270848, 278254, 294560, 296240, 329728, 336640, 338560, 338744, 387136, 412160, 423430, 471040, 471296, 473984, 483920, 538624, 541696, 556508, 589120, 592480, 659456, 673280, 677120, 677488, 695635, 774272, 824320, 846860, 942592, 947968, 967840, 973889, 1077248, 1083392, 1113016, 1178240, 1184960, 1346560, 1354240, 1354976, 1391270, 1548544, 1648640, 1693720, 1885184, 1895936, 1935680, 1947778, 2166784, 2226032, 2356480, 2369920, 2693120, 2708480, 2709952, 2782540, 3097088, 3297280, 3387440, 3770368, 3791872, 3871360, 3895556, 4452064, 4712960, 4739840, 4869445, 5386240, 5416960, 5419904, 5565080, 6194176, 6774880, 7540736, 7583744, 7742720, 7791112, 8904128, 9425920, 9479680, 9738890, 10833920, 10839808, 11130160, 12388352, 13549760, 15167488, 15485440, 15582224, 17808256, 18851840, 18959360, 19477780, 21679616, 22260320, 24776704, 27099520, 30970880, 31164448, 35616512, 37703680, 37918720, 38955560, 43359232, 44520640, 54199040, 61941760, 62328896, 71233024, 75837440, 77911120, 86718464, 89041280, 108398080, 123883520, 124657792, 142466048, 155822240, 173436928, 178082560, 216796160, 249315584, 284932096, 311644480, 356165120, 433592320, 498631168, 569864192, 623288960, 712330240, 867184640, 997262336, 1246577920, 1424660480, 1994524672, 2493155840, 2849320960, 3989049344, 4986311680, 9972623360, 19945246720]

約数ペア:

[(1, 19945246720), (2, 9972623360), (4, 4986311680), (5, 3989049344), (7, 2849320960), (8, 2493155840), (10, 1994524672), (14, 1424660480), (16, 1246577920), (20, 997262336), (23, 867184640), (28, 712330240), (32, 623288960), (35, 569864192), (40, 498631168), (46, 433592320), (56, 356165120), (64, 311644480), (70, 284932096), (80, 249315584), (92, 216796160), (112, 178082560), (115, 173436928), (128, 155822240), (140, 142466048), (160, 124657792), (161, 123883520), (184, 108398080), (224, 89041280), (230, 86718464), (256, 77911120), (263, 75837440), (280, 71233024), (320, 62328896), (322, 61941760), (368, 54199040), (448, 44520640), (460, 43359232), (512, 38955560), (526, 37918720), (529, 37703680), (560, 35616512), (640, 31164448), (644, 30970880), (736, 27099520), (805, 24776704), (896, 22260320), (920, 21679616), (1024, 19477780), (1052, 18959360), (1058, 18851840), (1120, 17808256), (1280, 15582224), (1288, 15485440), (1315, 15167488), (1472, 13549760), (1610, 12388352), (1792, 11130160), (1840, 10839808), (1841, 10833920), (2048, 9738890), (2104, 9479680), (2116, 9425920), (2240, 8904128), (2560, 7791112), (2576, 7742720), (2630, 7583744), (2645, 7540736), (2944, 6774880), (3220, 6194176), (3584, 5565080), (3680, 5419904), (3682, 5416960), (3703, 5386240), (4096, 4869445), (4208, 4739840), (4232, 4712960), (4480, 4452064), (5120, 3895556), (5152, 3871360), (5260, 3791872), (5290, 3770368), (5888, 3387440), (6049, 3297280), (6440, 3097088), (7168, 2782540), (7360, 2709952), (7364, 2708480), (7406, 2693120), (8416, 2369920), (8464, 2356480), (8960, 2226032), (9205, 2166784), (10240, 1947778), (10304, 1935680), (10520, 1895936), (10580, 1885184), (11776, 1693720), (12098, 1648640), (12880, 1548544), (14336, 1391270), (14720, 1354976), (14728, 1354240), (14812, 1346560), (16832, 1184960), (16928, 1178240), (17920, 1113016), (18410, 1083392), (18515, 1077248), (20480, 973889), (20608, 967840), (21040, 947968), (21160, 942592), (23552, 846860), (24196, 824320), (25760, 774272), (28672, 695635), (29440, 677488), (29456, 677120), (29624, 673280), (30245, 659456), (33664, 592480), (33856, 589120), (35840, 556508), (36820, 541696), (37030, 538624), (41216, 483920), (42080, 473984), (42320, 471296), (42343, 471040), (47104, 423430), (48392, 412160), (51520, 387136), (58880, 338744), (58912, 338560), (59248, 336640), (60490, 329728), (67328, 296240), (67712, 294560), (71680, 278254), (73640, 270848), (74060, 269312), (82432, 241960), (84160, 236992), (84640, 235648), (84686, 235520), (94208, 211715), (96784, 206080), (103040, 193568), (117760, 169372), (117824, 169280), (118496, 168320), (120980, 164864), (134656, 148120), (135424, 147280), (139127, 143360)]