20344250880

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51941}}^1$

素因数の和:51987

約数の個数: 240

約数和(自身を含む): 74603879064

約数和(自身を除く): 54259628184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 512, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1020, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1536, 1632, 1920, 2040, 2176, 2304, 2448, 2560, 2720, 2880, 3060, 3264, 3840, 4080, 4352, 4608, 4896, 5440, 5760, 6120, 6528, 7680, 8160, 8704, 9792, 10880, 11520, 12240, 13056, 16320, 19584, 21760, 23040, 24480, 26112, 32640, 39168, 43520, 48960, 51941, 65280, 78336, 97920, 103882, 130560, 155823, 195840, 207764, 259705, 311646, 391680, 415528, 467469, 519410, 623292, 779115, 831056, 882997, 934938, 1038820, 1246584, 1558230, 1662112, 1765994, 1869876, 2077640, 2337345, 2493168, 2648991, 3116460, 3324224, 3531988, 3739752, 4155280, 4414985, 4674690, 4986336, 5297982, 6232920, 6648448, 7063976, 7479504, 7946973, 8310560, 8829970, 9349380, 9972672, 10595964, 12465840, 13244955, 13296896, 14127952, 14959008, 15893946, 16621120, 17659940, 18698760, 19945344, 21191928, 24931680, 26489910, 26593792, 28255904, 29918016, 31787892, 33242240, 35319880, 37397520, 39734865, 39890688, 42383856, 49863360, 52979820, 56511808, 59836032, 63575784, 66484480, 70639760, 74795040, 79469730, 79781376, 84767712, 99726720, 105959640, 113023616, 119672064, 127151568, 132968960, 141279520, 149590080, 158939460, 169535424, 199453440, 211919280, 226047232, 239344128, 254303136, 282559040, 299180160, 317878920, 339070848, 398906880, 423838560, 452094464, 508606272, 565118080, 598360320, 635757840, 678141696, 847677120, 1017212544, 1130236160, 1196720640, 1271515680, 1356283392, 1695354240, 2034425088, 2260472320, 2543031360, 3390708480, 4068850176, 5086062720, 6781416960, 10172125440, 20344250880]

約数ペア:

[(1, 20344250880), (2, 10172125440), (3, 6781416960), (4, 5086062720), (5, 4068850176), (6, 3390708480), (8, 2543031360), (9, 2260472320), (10, 2034425088), (12, 1695354240), (15, 1356283392), (16, 1271515680), (17, 1196720640), (18, 1130236160), (20, 1017212544), (24, 847677120), (30, 678141696), (32, 635757840), (34, 598360320), (36, 565118080), (40, 508606272), (45, 452094464), (48, 423838560), (51, 398906880), (60, 339070848), (64, 317878920), (68, 299180160), (72, 282559040), (80, 254303136), (85, 239344128), (90, 226047232), (96, 211919280), (102, 199453440), (120, 169535424), (128, 158939460), (136, 149590080), (144, 141279520), (153, 132968960), (160, 127151568), (170, 119672064), (180, 113023616), (192, 105959640), (204, 99726720), (240, 84767712), (255, 79781376), (256, 79469730), (272, 74795040), (288, 70639760), (306, 66484480), (320, 63575784), (340, 59836032), (360, 56511808), (384, 52979820), (408, 49863360), (480, 42383856), (510, 39890688), (512, 39734865), (544, 37397520), (576, 35319880), (612, 33242240), (640, 31787892), (680, 29918016), (720, 28255904), (765, 26593792), (768, 26489910), (816, 24931680), (960, 21191928), (1020, 19945344), (1088, 18698760), (1152, 17659940), (1224, 16621120), (1280, 15893946), (1360, 14959008), (1440, 14127952), (1530, 13296896), (1536, 13244955), (1632, 12465840), (1920, 10595964), (2040, 9972672), (2176, 9349380), (2304, 8829970), (2448, 8310560), (2560, 7946973), (2720, 7479504), (2880, 7063976), (3060, 6648448), (3264, 6232920), (3840, 5297982), (4080, 4986336), (4352, 4674690), (4608, 4414985), (4896, 4155280), (5440, 3739752), (5760, 3531988), (6120, 3324224), (6528, 3116460), (7680, 2648991), (8160, 2493168), (8704, 2337345), (9792, 2077640), (10880, 1869876), (11520, 1765994), (12240, 1662112), (13056, 1558230), (16320, 1246584), (19584, 1038820), (21760, 934938), (23040, 882997), (24480, 831056), (26112, 779115), (32640, 623292), (39168, 519410), (43520, 467469), (48960, 415528), (51941, 391680), (65280, 311646), (78336, 259705), (97920, 207764), (103882, 195840), (130560, 155823)]