221237520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 320

約数和(自身を含む): 857088000

約数和(自身を除く): 635850480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 29, 30, 35, 38, 40, 42, 48, 56, 57, 58, 60, 70, 76, 80, 84, 87, 95, 105, 112, 114, 116, 120, 133, 140, 145, 152, 168, 174, 190, 203, 210, 228, 232, 239, 240, 266, 280, 285, 290, 304, 336, 348, 380, 399, 406, 420, 435, 456, 464, 478, 532, 551, 560, 570, 580, 609, 665, 696, 717, 760, 798, 812, 840, 870, 912, 956, 1015, 1064, 1102, 1140, 1160, 1195, 1218, 1330, 1392, 1434, 1520, 1596, 1624, 1653, 1673, 1680, 1740, 1912, 1995, 2030, 2128, 2204, 2280, 2320, 2390, 2436, 2660, 2755, 2868, 3045, 3192, 3248, 3306, 3346, 3480, 3585, 3824, 3857, 3990, 4060, 4408, 4541, 4560, 4780, 4872, 5019, 5320, 5510, 5736, 6090, 6384, 6612, 6692, 6931, 6960, 7170, 7714, 7980, 8120, 8265, 8365, 8816, 9082, 9560, 9744, 10038, 10640, 11020, 11472, 11571, 12180, 13224, 13384, 13623, 13862, 14340, 15428, 15960, 16240, 16530, 16730, 18164, 19120, 19285, 20076, 20793, 22040, 22705, 23142, 24360, 25095, 26448, 26768, 27246, 27724, 28680, 30856, 31787, 31920, 33060, 33460, 34655, 36328, 38570, 40152, 41586, 44080, 45410, 46284, 48517, 48720, 50190, 54492, 55448, 57360, 57855, 61712, 63574, 66120, 66920, 68115, 69310, 72656, 77140, 80304, 83172, 90820, 92568, 95361, 97034, 100380, 103965, 108984, 110896, 115710, 127148, 131689, 132240, 133840, 136230, 138620, 145551, 154280, 158935, 166344, 181640, 185136, 190722, 194068, 200760, 207930, 217968, 231420, 242585, 254296, 263378, 272460, 277240, 291102, 308560, 317870, 332688, 363280, 381444, 388136, 395067, 401520, 415860, 462840, 476805, 485170, 508592, 526756, 544920, 554480, 582204, 635740, 658445, 727755, 762888, 776272, 790134, 831720, 921823, 925680, 953610, 970340, 1053512, 1089840, 1164408, 1271480, 1316890, 1455510, 1525776, 1580268, 1663440, 1843646, 1907220, 1940680, 1975335, 2107024, 2328816, 2542960, 2633780, 2765469, 2911020, 3160536, 3687292, 3814440, 3881360, 3950670, 4609115, 5267560, 5530938, 5822040, 6321072, 7374584, 7628880, 7901340, 9218230, 10535120, 11061876, 11644080, 13827345, 14749168, 15802680, 18436460, 22123752, 27654690, 31605360, 36872920, 44247504, 55309380, 73745840, 110618760, 221237520]

約数ペア:

[(1, 221237520), (2, 110618760), (3, 73745840), (4, 55309380), (5, 44247504), (6, 36872920), (7, 31605360), (8, 27654690), (10, 22123752), (12, 18436460), (14, 15802680), (15, 14749168), (16, 13827345), (19, 11644080), (20, 11061876), (21, 10535120), (24, 9218230), (28, 7901340), (29, 7628880), (30, 7374584), (35, 6321072), (38, 5822040), (40, 5530938), (42, 5267560), (48, 4609115), (56, 3950670), (57, 3881360), (58, 3814440), (60, 3687292), (70, 3160536), (76, 2911020), (80, 2765469), (84, 2633780), (87, 2542960), (95, 2328816), (105, 2107024), (112, 1975335), (114, 1940680), (116, 1907220), (120, 1843646), (133, 1663440), (140, 1580268), (145, 1525776), (152, 1455510), (168, 1316890), (174, 1271480), (190, 1164408), (203, 1089840), (210, 1053512), (228, 970340), (232, 953610), (239, 925680), (240, 921823), (266, 831720), (280, 790134), (285, 776272), (290, 762888), (304, 727755), (336, 658445), (348, 635740), (380, 582204), (399, 554480), (406, 544920), (420, 526756), (435, 508592), (456, 485170), (464, 476805), (478, 462840), (532, 415860), (551, 401520), (560, 395067), (570, 388136), (580, 381444), (609, 363280), (665, 332688), (696, 317870), (717, 308560), (760, 291102), (798, 277240), (812, 272460), (840, 263378), (870, 254296), (912, 242585), (956, 231420), (1015, 217968), (1064, 207930), (1102, 200760), (1140, 194068), (1160, 190722), (1195, 185136), (1218, 181640), (1330, 166344), (1392, 158935), (1434, 154280), (1520, 145551), (1596, 138620), (1624, 136230), (1653, 133840), (1673, 132240), (1680, 131689), (1740, 127148), (1912, 115710), (1995, 110896), (2030, 108984), (2128, 103965), (2204, 100380), (2280, 97034), (2320, 95361), (2390, 92568), (2436, 90820), (2660, 83172), (2755, 80304), (2868, 77140), (3045, 72656), (3192, 69310), (3248, 68115), (3306, 66920), (3346, 66120), (3480, 63574), (3585, 61712), (3824, 57855), (3857, 57360), (3990, 55448), (4060, 54492), (4408, 50190), (4541, 48720), (4560, 48517), (4780, 46284), (4872, 45410), (5019, 44080), (5320, 41586), (5510, 40152), (5736, 38570), (6090, 36328), (6384, 34655), (6612, 33460), (6692, 33060), (6931, 31920), (6960, 31787), (7170, 30856), (7714, 28680), (7980, 27724), (8120, 27246), (8265, 26768), (8365, 26448), (8816, 25095), (9082, 24360), (9560, 23142), (9744, 22705), (10038, 22040), (10640, 20793), (11020, 20076), (11472, 19285), (11571, 19120), (12180, 18164), (13224, 16730), (13384, 16530), (13623, 16240), (13862, 15960), (14340, 15428)]