388940160

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:745

約数の個数: 256

約数和(自身を含む): 1451957760

約数和(自身を除く): 1063017600

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, 43, 48, 56, 60, 64, 70, 80, 84, 86, 96, 105, 112, 120, 128, 129, 140, 160, 168, 172, 192, 210, 215, 224, 240, 258, 280, 301, 320, 336, 344, 384, 420, 430, 448, 480, 516, 560, 602, 640, 645, 672, 673, 688, 840, 860, 896, 903, 960, 1032, 1120, 1204, 1290, 1344, 1346, 1376, 1505, 1680, 1720, 1806, 1920, 2019, 2064, 2240, 2408, 2580, 2688, 2692, 2752, 3010, 3360, 3365, 3440, 3612, 4038, 4128, 4480, 4515, 4711, 4816, 5160, 5384, 5504, 6020, 6720, 6730, 6880, 7224, 8076, 8256, 9030, 9422, 9632, 10095, 10320, 10768, 12040, 13440, 13460, 13760, 14133, 14448, 16152, 16512, 18060, 18844, 19264, 20190, 20640, 21536, 23555, 24080, 26920, 27520, 28266, 28896, 28939, 32304, 36120, 37688, 38528, 40380, 41280, 43072, 47110, 48160, 53840, 56532, 57792, 57878, 64608, 70665, 72240, 75376, 80760, 82560, 86144, 86817, 94220, 96320, 107680, 113064, 115584, 115756, 129216, 141330, 144480, 144695, 150752, 161520, 173634, 188440, 192640, 202573, 215360, 226128, 231512, 258432, 282660, 288960, 289390, 301504, 323040, 347268, 376880, 405146, 430720, 434085, 452256, 463024, 565320, 577920, 578780, 603008, 607719, 646080, 694536, 753760, 810292, 868170, 904512, 926048, 1012865, 1130640, 1157560, 1215438, 1292160, 1389072, 1507520, 1620584, 1736340, 1809024, 1852096, 2025730, 2261280, 2315120, 2430876, 2778144, 3015040, 3038595, 3241168, 3472680, 3704192, 4051460, 4522560, 4630240, 4861752, 5556288, 6077190, 6482336, 6945360, 8102920, 9045120, 9260480, 9723504, 11112576, 12154380, 12964672, 13890720, 16205840, 18520960, 19447008, 24308760, 25929344, 27781440, 32411680, 38894016, 48617520, 55562880, 64823360, 77788032, 97235040, 129646720, 194470080, 388940160]

約数ペア:

[(1, 388940160), (2, 194470080), (3, 129646720), (4, 97235040), (5, 77788032), (6, 64823360), (7, 55562880), (8, 48617520), (10, 38894016), (12, 32411680), (14, 27781440), (15, 25929344), (16, 24308760), (20, 19447008), (21, 18520960), (24, 16205840), (28, 13890720), (30, 12964672), (32, 12154380), (35, 11112576), (40, 9723504), (42, 9260480), (43, 9045120), (48, 8102920), (56, 6945360), (60, 6482336), (64, 6077190), (70, 5556288), (80, 4861752), (84, 4630240), (86, 4522560), (96, 4051460), (105, 3704192), (112, 3472680), (120, 3241168), (128, 3038595), (129, 3015040), (140, 2778144), (160, 2430876), (168, 2315120), (172, 2261280), (192, 2025730), (210, 1852096), (215, 1809024), (224, 1736340), (240, 1620584), (258, 1507520), (280, 1389072), (301, 1292160), (320, 1215438), (336, 1157560), (344, 1130640), (384, 1012865), (420, 926048), (430, 904512), (448, 868170), (480, 810292), (516, 753760), (560, 694536), (602, 646080), (640, 607719), (645, 603008), (672, 578780), (673, 577920), (688, 565320), (840, 463024), (860, 452256), (896, 434085), (903, 430720), (960, 405146), (1032, 376880), (1120, 347268), (1204, 323040), (1290, 301504), (1344, 289390), (1346, 288960), (1376, 282660), (1505, 258432), (1680, 231512), (1720, 226128), (1806, 215360), (1920, 202573), (2019, 192640), (2064, 188440), (2240, 173634), (2408, 161520), (2580, 150752), (2688, 144695), (2692, 144480), (2752, 141330), (3010, 129216), (3360, 115756), (3365, 115584), (3440, 113064), (3612, 107680), (4038, 96320), (4128, 94220), (4480, 86817), (4515, 86144), (4711, 82560), (4816, 80760), (5160, 75376), (5384, 72240), (5504, 70665), (6020, 64608), (6720, 57878), (6730, 57792), (6880, 56532), (7224, 53840), (8076, 48160), (8256, 47110), (9030, 43072), (9422, 41280), (9632, 40380), (10095, 38528), (10320, 37688), (10768, 36120), (12040, 32304), (13440, 28939), (13460, 28896), (13760, 28266), (14133, 27520), (14448, 26920), (16152, 24080), (16512, 23555), (18060, 21536), (18844, 20640), (19264, 20190)]