21055662720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13691}}^1$

素因数の和:13808

約数の個数: 256

約数和(自身を含む): 75415536000

約数和(自身を除く): 54359873280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 89, 90, 96, 108, 120, 128, 135, 144, 160, 178, 180, 192, 216, 240, 267, 270, 288, 320, 356, 360, 384, 432, 445, 480, 534, 540, 576, 640, 712, 720, 801, 864, 890, 960, 1068, 1080, 1152, 1335, 1424, 1440, 1602, 1728, 1780, 1920, 2136, 2160, 2403, 2670, 2848, 2880, 3204, 3456, 3560, 4005, 4272, 4320, 4806, 5340, 5696, 5760, 6408, 7120, 8010, 8544, 8640, 9612, 10680, 11392, 12015, 12816, 13691, 14240, 16020, 17088, 17280, 19224, 21360, 24030, 25632, 27382, 28480, 32040, 34176, 38448, 41073, 42720, 48060, 51264, 54764, 56960, 64080, 68455, 76896, 82146, 85440, 96120, 102528, 109528, 123219, 128160, 136910, 153792, 164292, 170880, 192240, 205365, 219056, 246438, 256320, 273820, 307584, 328584, 369657, 384480, 410730, 438112, 492876, 512640, 547640, 616095, 657168, 739314, 768960, 821460, 876224, 985752, 1095280, 1218499, 1232190, 1314336, 1478628, 1537920, 1642920, 1752448, 1848285, 1971504, 2190560, 2436998, 2464380, 2628672, 2957256, 3285840, 3655497, 3696570, 3943008, 4381120, 4873996, 4928760, 5257344, 5914512, 6092495, 6571680, 7310994, 7393140, 7886016, 8762240, 9747992, 9857520, 10966491, 11829024, 12184990, 13143360, 14621988, 14786280, 15772032, 18277485, 19495984, 19715040, 21932982, 23658048, 24369980, 26286720, 29243976, 29572560, 32899473, 36554970, 38991968, 39430080, 43865964, 47316096, 48739960, 54832455, 58487952, 59145120, 65798946, 73109940, 77983936, 78860160, 87731928, 97479920, 109664910, 116975904, 118290240, 131597892, 146219880, 155967872, 164497365, 175463856, 194959840, 219329820, 233951808, 236580480, 263195784, 292439760, 328994730, 350927712, 389919680, 438659640, 467903616, 526391568, 584879520, 657989460, 701855424, 779839360, 877319280, 1052783136, 1169759040, 1315978920, 1403710848, 1754638560, 2105566272, 2339518080, 2631957840, 3509277120, 4211132544, 5263915680, 7018554240, 10527831360, 21055662720]

約数ペア:

[(1, 21055662720), (2, 10527831360), (3, 7018554240), (4, 5263915680), (5, 4211132544), (6, 3509277120), (8, 2631957840), (9, 2339518080), (10, 2105566272), (12, 1754638560), (15, 1403710848), (16, 1315978920), (18, 1169759040), (20, 1052783136), (24, 877319280), (27, 779839360), (30, 701855424), (32, 657989460), (36, 584879520), (40, 526391568), (45, 467903616), (48, 438659640), (54, 389919680), (60, 350927712), (64, 328994730), (72, 292439760), (80, 263195784), (89, 236580480), (90, 233951808), (96, 219329820), (108, 194959840), (120, 175463856), (128, 164497365), (135, 155967872), (144, 146219880), (160, 131597892), (178, 118290240), (180, 116975904), (192, 109664910), (216, 97479920), (240, 87731928), (267, 78860160), (270, 77983936), (288, 73109940), (320, 65798946), (356, 59145120), (360, 58487952), (384, 54832455), (432, 48739960), (445, 47316096), (480, 43865964), (534, 39430080), (540, 38991968), (576, 36554970), (640, 32899473), (712, 29572560), (720, 29243976), (801, 26286720), (864, 24369980), (890, 23658048), (960, 21932982), (1068, 19715040), (1080, 19495984), (1152, 18277485), (1335, 15772032), (1424, 14786280), (1440, 14621988), (1602, 13143360), (1728, 12184990), (1780, 11829024), (1920, 10966491), (2136, 9857520), (2160, 9747992), (2403, 8762240), (2670, 7886016), (2848, 7393140), (2880, 7310994), (3204, 6571680), (3456, 6092495), (3560, 5914512), (4005, 5257344), (4272, 4928760), (4320, 4873996), (4806, 4381120), (5340, 3943008), (5696, 3696570), (5760, 3655497), (6408, 3285840), (7120, 2957256), (8010, 2628672), (8544, 2464380), (8640, 2436998), (9612, 2190560), (10680, 1971504), (11392, 1848285), (12015, 1752448), (12816, 1642920), (13691, 1537920), (14240, 1478628), (16020, 1314336), (17088, 1232190), (17280, 1218499), (19224, 1095280), (21360, 985752), (24030, 876224), (25632, 821460), (27382, 768960), (28480, 739314), (32040, 657168), (34176, 616095), (38448, 547640), (41073, 512640), (42720, 492876), (48060, 438112), (51264, 410730), (54764, 384480), (56960, 369657), (64080, 328584), (68455, 307584), (76896, 273820), (82146, 256320), (85440, 246438), (96120, 219056), (102528, 205365), (109528, 192240), (123219, 170880), (128160, 164292), (136910, 153792)]