1978314240

素因数分解:

$2^9\times 3^1\times 5^1\times 7^3\times {\mathrm{751}}^1$

素因数の和:798

約数の個数: 320

約数和(自身を含む): 7385241600

約数和(自身を除く): 5406927360

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, 256, 280, 294, 320, 336, 343, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 686, 735, 751, 768, 784, 840, 896, 960, 980, 1029, 1120, 1176, 1280, 1344, 1372, 1470, 1502, 1536, 1568, 1680, 1715, 1792, 1920, 1960, 2058, 2240, 2253, 2352, 2560, 2688, 2744, 2940, 3004, 3136, 3360, 3430, 3584, 3755, 3840, 3920, 4116, 4480, 4506, 4704, 5145, 5257, 5376, 5488, 5880, 6008, 6272, 6720, 6860, 7510, 7680, 7840, 8232, 8960, 9012, 9408, 10290, 10514, 10752, 10976, 11265, 11760, 12016, 12544, 13440, 13720, 15020, 15680, 15771, 16464, 17920, 18024, 18816, 20580, 21028, 21952, 22530, 23520, 24032, 25088, 26285, 26880, 27440, 30040, 31360, 31542, 32928, 36048, 36799, 37632, 41160, 42056, 43904, 45060, 47040, 48064, 52570, 53760, 54880, 60080, 62720, 63084, 65856, 72096, 73598, 75264, 78855, 82320, 84112, 87808, 90120, 94080, 96128, 105140, 109760, 110397, 120160, 125440, 126168, 131712, 144192, 147196, 157710, 164640, 168224, 175616, 180240, 183995, 188160, 192256, 210280, 219520, 220794, 240320, 252336, 257593, 263424, 288384, 294392, 315420, 329280, 336448, 360480, 367990, 376320, 384512, 420560, 439040, 441588, 480640, 504672, 515186, 526848, 551985, 576768, 588784, 630840, 658560, 672896, 720960, 735980, 772779, 841120, 878080, 883176, 961280, 1009344, 1030372, 1103970, 1153536, 1177568, 1261680, 1287965, 1317120, 1345792, 1441920, 1471960, 1545558, 1682240, 1766352, 1922560, 2018688, 2060744, 2207940, 2355136, 2523360, 2575930, 2634240, 2691584, 2883840, 2943920, 3091116, 3364480, 3532704, 3863895, 4037376, 4121488, 4415880, 4710272, 5046720, 5151860, 5767680, 5887840, 6182232, 6728960, 7065408, 7727790, 8074752, 8242976, 8831760, 9420544, 10093440, 10303720, 11775680, 12364464, 13457920, 14130816, 15455580, 16485952, 17663520, 18841088, 20186880, 20607440, 23551360, 24728928, 28261632, 30911160, 32971904, 35327040, 40373760, 41214880, 47102720, 49457856, 56523264, 61822320, 65943808, 70654080, 82429760, 94205440, 98915712, 123644640, 131887616, 141308160, 164859520, 197831424, 247289280, 282616320, 329719040, 395662848, 494578560, 659438080, 989157120, 1978314240]

約数ペア:

[(1, 1978314240), (2, 989157120), (3, 659438080), (4, 494578560), (5, 395662848), (6, 329719040), (7, 282616320), (8, 247289280), (10, 197831424), (12, 164859520), (14, 141308160), (15, 131887616), (16, 123644640), (20, 98915712), (21, 94205440), (24, 82429760), (28, 70654080), (30, 65943808), (32, 61822320), (35, 56523264), (40, 49457856), (42, 47102720), (48, 41214880), (49, 40373760), (56, 35327040), (60, 32971904), (64, 30911160), (70, 28261632), (80, 24728928), (84, 23551360), (96, 20607440), (98, 20186880), (105, 18841088), (112, 17663520), (120, 16485952), (128, 15455580), (140, 14130816), (147, 13457920), (160, 12364464), (168, 11775680), (192, 10303720), (196, 10093440), (210, 9420544), (224, 8831760), (240, 8242976), (245, 8074752), (256, 7727790), (280, 7065408), (294, 6728960), (320, 6182232), (336, 5887840), (343, 5767680), (384, 5151860), (392, 5046720), (420, 4710272), (448, 4415880), (480, 4121488), (490, 4037376), (512, 3863895), (560, 3532704), (588, 3364480), (640, 3091116), (672, 2943920), (686, 2883840), (735, 2691584), (751, 2634240), (768, 2575930), (784, 2523360), (840, 2355136), (896, 2207940), (960, 2060744), (980, 2018688), (1029, 1922560), (1120, 1766352), (1176, 1682240), (1280, 1545558), (1344, 1471960), (1372, 1441920), (1470, 1345792), (1502, 1317120), (1536, 1287965), (1568, 1261680), (1680, 1177568), (1715, 1153536), (1792, 1103970), (1920, 1030372), (1960, 1009344), (2058, 961280), (2240, 883176), (2253, 878080), (2352, 841120), (2560, 772779), (2688, 735980), (2744, 720960), (2940, 672896), (3004, 658560), (3136, 630840), (3360, 588784), (3430, 576768), (3584, 551985), (3755, 526848), (3840, 515186), (3920, 504672), (4116, 480640), (4480, 441588), (4506, 439040), (4704, 420560), (5145, 384512), (5257, 376320), (5376, 367990), (5488, 360480), (5880, 336448), (6008, 329280), (6272, 315420), (6720, 294392), (6860, 288384), (7510, 263424), (7680, 257593), (7840, 252336), (8232, 240320), (8960, 220794), (9012, 219520), (9408, 210280), (10290, 192256), (10514, 188160), (10752, 183995), (10976, 180240), (11265, 175616), (11760, 168224), (12016, 164640), (12544, 157710), (13440, 147196), (13720, 144192), (15020, 131712), (15680, 126168), (15771, 125440), (16464, 120160), (17920, 110397), (18024, 109760), (18816, 105140), (20580, 96128), (21028, 94080), (21952, 90120), (22530, 87808), (23520, 84112), (24032, 82320), (25088, 78855), (26285, 75264), (26880, 73598), (27440, 72096), (30040, 65856), (31360, 63084), (31542, 62720), (32928, 60080), (36048, 54880), (36799, 53760), (37632, 52570), (41160, 48064), (42056, 47040), (43904, 45060)]